Can I change type of current master node and how to increase performance for my Elasticsearch cluster


(Warat Wongmaneekit) #1

We have 3 nodes of elastic search all nodes is mater=true and data=true.
When we try to find the best practice almost is recommend to setup 1 node
for master=true,data=false and another 2 nodes is master=false,data=true.
So if we need to change it how going on with current master node. It will
be automatic allocation? or we have to delete and insert data again?

For another question Do you have any configuration suggestion detail is
bellow

Hard ward for all nodes
CPU 3.4 8 core
Ram 32 GB
HDD raid 0 1TB
Current heap size 18GB
Elasticsearch Data 160GB | 108,190,284 records

Our node setting

{ "cluster_name" : "zocialinc", "nodes" : { "WEbhsuSQQeCvYI_s3I_E0A" :
{ "name" : "Host98", "transport_address" :
"inet[/192.99.5.98:9300]", "host" : "ns5000258.ip-192-99-5.net",
"ip" : "192.99.5.98", "version" : "1.2.2", "build" : "9902f08",
"http_address" : "inet[/192.99.5.98:9299]", "attributes" : {
"master" : "true" }, "settings" : { "threadpool" : {
"index" : { "type" : "fixed", "queue_size" : "1000"
, "size" : "50" } }, "node" : {
"data" : "true", "master" : "true", "name" : "Host98"
}, "index" : { "number_of_replicas" : "1",
"number_of_shards" : "50" }, "http" : { "port" :
"9299" }, "name" : "Host98", "path" : { "logs"
: "/home/elasticsearch/logs", "home" : "/home/elasticsearch",
"conf" : "/home/elasticsearch/config" }, "indices" : {
"recovery" : { "max_bytes_per_sec" : "200mb" }
}, "cluster" : { "name" : "zocialinc" },
"script" : { "disable_dynamic" : "false" },
"discovery" : { "zen" : { "minimum_master_nodes" : "3",
"ping" : { "unicast" : { "hosts" : [
"192.99.9.80", "198.27.70.88" ] }, "multicast" : {
"enabled" : "false" }, "timeout" :
"30s" } } }, "foreground" : "yes" },
"os" : { "refresh_interval_in_millis" : 1000,
"available_processors" : 8, "cpu" : { "vendor" : "Intel",
"model" : "Xeon", "mhz" : 3800, "total_cores" : 8,
"total_sockets" : 8, "cores_per_socket" : 16,
"cache_size_in_bytes" : 8192 }, "mem" : {
"total_in_bytes" : 33705795584 }, "swap" : {
"total_in_bytes" : 1071636480 } }, "process" : {
"refresh_interval_in_millis" : 1000, "id" : 27487,
"max_file_descriptors" : 4096, "mlockall" : false }, "jvm"
: { "pid" : 27487, "version" : "1.7.0_65", "vm_name" : "OpenJDK
64-Bit Server VM", "vm_version" : "24.65-b04", "vm_vendor" : "Oracle
Corporation", "start_time_in_millis" : 1406002559510, "mem" :
{ "heap_init_in_bytes" : 19327352832, "heap_max_in_bytes"
: 19257622528, "non_heap_init_in_bytes" : 24313856,
"non_heap_max_in_bytes" : 224395264, "direct_max_in_bytes" :
19257622528 }, "gc_collectors" : [ "ParNew",
"ConcurrentMarkSweep" ], "memory_pools" : [ "Code Cache", "Par Eden
Space", "Par Survivor Space", "CMS Old Gen", "CMS Perm Gen" ] },
"thread_pool" : { "generic" : { "type" : "cached",
"keep_alive" : "30s" }, "index" : { "type" : "fixed",
"min" : 50, "max" : 50, "queue_size" : "1k"
}, "snapshot_data" : { "type" : "scaling", "min"
: 1, "max" : 5, "keep_alive" : "5m" },
"bench" : { "type" : "scaling", "min" : 1, "max"
: 4, "keep_alive" : "5m" }, "get" : { "type"
: "fixed", "min" : 8, "max" : 8, "queue_size" :
"1k" }, "snapshot" : { "type" : "scaling",
"min" : 1, "max" : 4, "keep_alive" : "5m" },
"merge" : { "type" : "scaling", "min" : 1, "max"
: 4, "keep_alive" : "5m" }, "suggest" : {
"type" : "fixed", "min" : 8, "max" : 8,
"queue_size" : "1k" }, "bulk" : { "type" : "fixed",
"min" : 8, "max" : 8, "queue_size" : "50"
}, "optimize" : { "type" : "fixed", "min" : 1,
"max" : 1 }, "warmer" : { "type" : "scaling",
"min" : 1, "max" : 4, "keep_alive" : "5m" },
"flush" : { "type" : "scaling", "min" : 1,
"max" : 4, "keep_alive" : "5m" }, "search" : {
"type" : "fixed", "min" : 24, "max" : 24,
"queue_size" : "1k" }, "percolate" : { "type" :
"fixed", "min" : 8, "max" : 8, "queue_size" :
"1k" }, "management" : { "type" : "scaling",
"min" : 1, "max" : 5, "keep_alive" : "5m" },
"refresh" : { "type" : "scaling", "min" : 1,
"max" : 4, "keep_alive" : "5m" } }, "network" : {
"refresh_interval_in_millis" : 5000, "primary_interface" : {
"address" : "192.99.5.98", "name" : "eth0",
"mac_address" : "08:60:6E:E5:C1:CE" } }, "transport" : {
"bound_address" : "inet[/0:0:0:0:0:0:0:0:9300]",
"publish_address" : "inet[/192.99.5.98:9300]" }, "http" : {
"bound_address" : "inet[/0:0:0:0:0:0:0:0:9299]", "publish_address" :
"inet[/192.99.5.98:9299]", "max_content_length_in_bytes" : 104857600
}, "plugins" : [ { "name" : "marvel", "version" :
"NA", "description" : "No description found.", "url" :
"/_plugin/marvel/", "jvm" : false, "site" : true }, {
"name" : "paramedic", "version" : "NA", "description" : "No
description found.", "url" : "/_plugin/paramedic/", "jvm" :
false, "site" : true } ] }, "gzaTyhMMSZyuQEJZhlhR-Q" : {
"name" : "Host80", "transport_address" : "inet[/192.99.9.80:9300]"
, "host" : "ns501551.ip-192-99-9.net", "ip" : "192.99.9.80",
"version" : "1.2.2", "build" : "9902f08", "http_address" :
"inet[/192.99.9.80:9299]", "attributes" : { "master" : "true"
}, "settings" : { "threadpool" : { "index" : {
"type" : "fixed", "queue_size" : "1000", "size"
: "50" } }, "node" : { "data" : "true",
"master" : "true", "name" : "Host80" }, "index"
: { "number_of_replicas" : "1", "number_of_shards" : "50"
}, "http" : { "port" : "9299" }, "name"
: "Host80", "path" : { "logs" : "/home/elasticsearch/logs",
"home" : "/home/elasticsearch" }, "indices" : {
"recovery" : { "max_bytes_per_sec" : "200mb" }
}, "cluster" : { "name" : "zocialinc" },
"script" : { "disable_dynamic" : "false" },
"discovery" : { "zen" : { "minimum_master_nodes" : "3",
"ping" : { "unicast" : { "hosts" : [
"192.99.5.98", "198.27.70.88" ] }, "multicast" : {
"enabled" : "false" }, "timeout" :
"30s" } } }, "foreground" : "yes" },
"os" : { "refresh_interval_in_millis" : 1000,
"available_processors" : 8, "cpu" : { "vendor" : "Intel",
"model" : "Xeon", "mhz" : 3800, "total_cores" : 8,
"total_sockets" : 8, "cores_per_socket" : 16,
"cache_size_in_bytes" : 8192 }, "mem" : {
"total_in_bytes" : 33628487680 }, "swap" : {
"total_in_bytes" : 1071636480 } }, "process" : {
"refresh_interval_in_millis" : 1000, "id" : 29729,
"max_file_descriptors" : 4096, "mlockall" : false }, "jvm"
: { "pid" : 29729, "version" : "1.7.0_55", "vm_name" : "OpenJDK
64-Bit Server VM", "vm_version" : "24.51-b03", "vm_vendor" : "Oracle
Corporation", "start_time_in_millis" : 1405999092155, "mem" :
{ "heap_init_in_bytes" : 19327352832, "heap_max_in_bytes"
: 19257622528, "non_heap_init_in_bytes" : 24313856,
"non_heap_max_in_bytes" : 224395264, "direct_max_in_bytes" :
19257622528 }, "gc_collectors" : [ "ParNew",
"ConcurrentMarkSweep" ], "memory_pools" : [ "Code Cache", "Par Eden
Space", "Par Survivor Space", "CMS Old Gen", "CMS Perm Gen" ] },
"thread_pool" : { "generic" : { "type" : "cached",
"keep_alive" : "30s" }, "index" : { "type" : "fixed",
"min" : 50, "max" : 50, "queue_size" : "1k"
}, "snapshot_data" : { "type" : "scaling", "min"
: 1, "max" : 5, "keep_alive" : "5m" },
"bench" : { "type" : "scaling", "min" : 1, "max"
: 4, "keep_alive" : "5m" }, "get" : { "type"
: "fixed", "min" : 8, "max" : 8, "queue_size" :
"1k" }, "snapshot" : { "type" : "scaling",
"min" : 1, "max" : 4, "keep_alive" : "5m" },
"merge" : { "type" : "scaling", "min" : 1, "max"
: 4, "keep_alive" : "5m" }, "suggest" : {
"type" : "fixed", "min" : 8, "max" : 8,
"queue_size" : "1k" }, "bulk" : { "type" : "fixed",
"min" : 8, "max" : 8, "queue_size" : "50"
}, "optimize" : { "type" : "fixed", "min" : 1,
"max" : 1 }, "warmer" : { "type" : "scaling",
"min" : 1, "max" : 4, "keep_alive" : "5m" },
"flush" : { "type" : "scaling", "min" : 1,
"max" : 4, "keep_alive" : "5m" }, "search" : {
"type" : "fixed", "min" : 24, "max" : 24,
"queue_size" : "1k" }, "percolate" : { "type" :
"fixed", "min" : 8, "max" : 8, "queue_size" :
"1k" }, "management" : { "type" : "scaling",
"min" : 1, "max" : 5, "keep_alive" : "5m" },
"refresh" : { "type" : "scaling", "min" : 1,
"max" : 4, "keep_alive" : "5m" } }, "network" : {
"refresh_interval_in_millis" : 5000, "primary_interface" : {
"address" : "192.99.9.80", "name" : "eth0",
"mac_address" : "70:54:D2:19:BA:B7" } }, "transport" : {
"bound_address" : "inet[/0:0:0:0:0:0:0:0%0:9300]",
"publish_address" : "inet[/192.99.9.80:9300]" }, "http" : {
"bound_address" : "inet[/0:0:0:0:0:0:0:0%0:9299]", "publish_address"
: "inet[/192.99.9.80:9299]", "max_content_length_in_bytes" :
104857600 }, "plugins" : [ { "name" : "marvel",
"version" : "NA", "description" : "No description found.",
"url" : "/_plugin/marvel/", "jvm" : false, "site" : true
} ] }, "sQEMBQGMT1eyDrPwF-xGeA" : { "name" : "Host88",
"transport_address" : "inet[/198.27.70.88:9300]", "host" :
"ns4008677.ip-198-27-70.net", "ip" : "198.27.70.88", "version" :
"1.1.1", "build" : "f1585f0", "http_address" :
"inet[/198.27.70.88:9200]", "attributes" : { "master" : "true"
}, "settings" : { "threadpool" : { "index" : {
"type" : "fixed", "queue_size" : "1000",
"size" : "50" } }, "node" : { "data" :
"true", "master" : "true", "name" : "Host88" },
"index" : { "number_of_replicas" : "1",
"number_of_shards" : "50" }, "name" : "Host88",
"pidfile" : "/var/run/elasticsearch/elasticsearch.pid", "path" : {
"data" : "/var/lib/elasticsearch", "work" :
"/tmp/elasticsearch", "home" : "/usr/share/elasticsearch",
"conf" : "/etc/elasticsearch", "logs" : "/var/log/elasticsearch"
}, "indices" : { "recovery" : {
"max_bytes_per_sec" : "200mb" } }, "cluster" : {
"name" : "zocialinc" }, "script" : {
"disable_dynamic" : "false" }, "discovery" : { "zen"
: { "minimum_master_nodes" : "2", "ping" : {
"unicast" : { "hosts" : [ "192.99.5.98", "192.99.9.80" ]
}, "multicast" : { "enabled" :
"false" }, "timeout" : "30s" }
} }, "foreground" : "yes" }, "os" : {
"refresh_interval_in_millis" : 1000, "available_processors" : 8,
"cpu" : { "vendor" : "Intel", "model" : "Xeon",
"mhz" : 3392, "total_cores" : 8, "total_sockets" : 8,
"cores_per_socket" : 16, "cache_size_in_bytes" : 8192
}, "mem" : { "total_in_bytes" : 33700106240 },
"swap" : { "total_in_bytes" : 17177755648 } },
"process" : { "refresh_interval_in_millis" : 1000, "id" :
2142, "max_file_descriptors" : 65535, "mlockall" : false
}, "jvm" : { "pid" : 2142, "version" : "1.7.0_25",
"vm_name" : "Java HotSpot(TM) 64-Bit Server VM", "vm_version" :
"23.25-b01", "vm_vendor" : "Oracle Corporation",
"start_time_in_millis" : 1406231783559, "mem" : {
"heap_init_in_bytes" : 19327352832, "heap_max_in_bytes" :
19257622528, "non_heap_init_in_bytes" : 24313856,
"non_heap_max_in_bytes" : 136314880, "direct_max_in_bytes" :
19257622528 }, "gc_collectors" : [ "ParNew",
"ConcurrentMarkSweep" ], "memory_pools" : [ "Code Cache", "Par Eden
Space", "Par Survivor Space", "CMS Old Gen", "CMS Perm Gen" ] },
"thread_pool" : { "generic" : { "type" : "cached",
"keep_alive" : "30s" }, "index" : { "type" : "fixed",
"min" : 50, "max" : 50, "queue_size" : "1k"
}, "get" : { "type" : "fixed", "min" : 8,
"max" : 8, "queue_size" : "1k" }, "snapshot" : {
"type" : "scaling", "min" : 1, "max" : 4,
"keep_alive" : "5m" }, "merge" : { "type" :
"scaling", "min" : 1, "max" : 4, "keep_alive" :
"5m" }, "suggest" : { "type" : "fixed",
"min" : 8, "max" : 8, "queue_size" : "1k" },
"bulk" : { "type" : "fixed", "min" : 8, "max" :
8, "queue_size" : "50" }, "optimize" : {
"type" : "fixed", "min" : 1, "max" : 1 },
"warmer" : { "type" : "scaling", "min" : 1, "max"
: 4, "keep_alive" : "5m" }, "flush" : {
"type" : "scaling", "min" : 1, "max" : 4,
"keep_alive" : "5m" }, "search" : { "type" : "fixed",
"min" : 24, "max" : 24, "queue_size" : "1k"
}, "percolate" : { "type" : "fixed", "min" : 8,
"max" : 8, "queue_size" : "1k" },
"management" : { "type" : "scaling", "min" : 1,
"max" : 5, "keep_alive" : "5m" }, "refresh" : {
"type" : "scaling", "min" : 1, "max" : 4,
"keep_alive" : "5m" } }, "network" : {
"refresh_interval_in_millis" : 5000, "primary_interface" : {
"address" : "198.27.70.88", "name" : "eth0",
"mac_address" : "70:54:D2:1A:9F:5B" } }, "transport" : {
"bound_address" : "inet[/0:0:0:0:0:0:0:0%0:9300]",
"publish_address" : "inet[/198.27.70.88:9300]" }, "http" : {
"bound_address" : "inet[/0:0:0:0:0:0:0:0%0:9200]",
"publish_address" : "inet[/198.27.70.88:9200]",
"max_content_length_in_bytes" : 104857600 }, "plugins" : [ {
"name" : "HQ", "version" : "NA", "description" : "No
description found.", "url" : "/_plugin/HQ/", "jvm" : false,
"site" : true }, { "name" : "head", "version" : "NA"
, "description" : "No description found.", "url" :
"/_plugin/head/", "jvm" : false, "site" : true } ] }
}}

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(Mark Walkom) #2

If you can have 3 nodes, make all 3 master and data, that way you don't
waste resources on a master only and you gain some protection against split
brain.
You really only want/need a master only when you start getting into the
10-20 node count.

Regards,
Mark Walkom

Infrastructure Engineer
Campaign Monitor
email: markw@campaignmonitor.com
web: www.campaignmonitor.com

On 25 July 2014 17:18, Warat Wongmaneekit canopybanj@gmail.com wrote:

We have 3 nodes of elastic search all nodes is mater=true and data=true.
When we try to find the best practice almost is recommend to setup 1 node
for master=true,data=false and another 2 nodes is master=false,data=true.
So if we need to change it how going on with current master node. It will
be automatic allocation? or we have to delete and insert data again?

For another question Do you have any configuration suggestion detail is
bellow

Hard ward for all nodes
CPU 3.4 8 core
Ram 32 GB
HDD raid 0 1TB
Current heap size 18GB
Elasticsearch Data 160GB | 108,190,284 records

Our node setting

{ "cluster_name" : "zocialinc", "nodes" : { "WEbhsuSQQeCvYI_s3I_E0A"
: { "name" : "Host98", "transport_address" : "inet[/
192.99.5.98:9300]", "host" : "ns5000258.ip-192-99-5.net", "ip" :
"192.99.5.98", "version" : "1.2.2", "build" : "9902f08",
"http_address" : "inet[/192.99.5.98:9299]", "attributes" : {
"master" : "true" }, "settings" : { "threadpool" : {
"index" : { "type" : "fixed", "queue_size" :
"1000", "size" : "50" } }, "node" : {
"data" : "true", "master" : "true", "name" :
"Host98" }, "index" : { "number_of_replicas" : "1",
"number_of_shards" : "50" }, "http" : {
"port" : "9299" }, "name" : "Host98", "path" : {
"logs" : "/home/elasticsearch/logs", "home" :
"/home/elasticsearch", "conf" : "/home/elasticsearch/config"
}, "indices" : { "recovery" : {
"max_bytes_per_sec" : "200mb" } }, "cluster" : {
"name" : "zocialinc" }, "script" : {
"disable_dynamic" : "false" }, "discovery" : {
"zen" : { "minimum_master_nodes" : "3", "ping" : {
"unicast" : { "hosts" : [ "192.99.9.80",
"198.27.70.88" ] }, "multicast" : {
"enabled" : "false" }, "timeout" : "30s"
} } }, "foreground" : "yes" },
"os" : { "refresh_interval_in_millis" : 1000,
"available_processors" : 8, "cpu" : { "vendor" : "Intel",
"model" : "Xeon", "mhz" : 3800, "total_cores" : 8
, "total_sockets" : 8, "cores_per_socket" : 16,
"cache_size_in_bytes" : 8192 }, "mem" : {
"total_in_bytes" : 33705795584 }, "swap" : {
"total_in_bytes" : 1071636480 } }, "process" : {
"refresh_interval_in_millis" : 1000, "id" : 27487,
"max_file_descriptors" : 4096, "mlockall" : false },
"jvm" : { "pid" : 27487, "version" : "1.7.0_65",
"vm_name" : "OpenJDK 64-Bit Server VM", "vm_version" : "24.65-b04",
"vm_vendor" : "Oracle Corporation", "start_time_in_millis" :
1406002559510, "mem" : { "heap_init_in_bytes" :
19327352832, "heap_max_in_bytes" : 19257622528,
"non_heap_init_in_bytes" : 24313856, "non_heap_max_in_bytes" :
224395264, "direct_max_in_bytes" : 19257622528 },
"gc_collectors" : [ "ParNew", "ConcurrentMarkSweep" ],
"memory_pools" : [ "Code Cache", "Par Eden Space", "Par Survivor Space", "CMS
Old Gen", "CMS Perm Gen" ] }, "thread_pool" : { "generic"
: { "type" : "cached", "keep_alive" : "30s" },
"index" : { "type" : "fixed", "min" : 50,
"max" : 50, "queue_size" : "1k" }, "snapshot_data"
: { "type" : "scaling", "min" : 1, "max" : 5,
"keep_alive" : "5m" }, "bench" : { "type" :
"scaling", "min" : 1, "max" : 4, "keep_alive" :
"5m" }, "get" : { "type" : "fixed", "min"
: 8, "max" : 8, "queue_size" : "1k" },
"snapshot" : { "type" : "scaling", "min" : 1,
"max" : 4, "keep_alive" : "5m" }, "merge" : {
"type" : "scaling", "min" : 1, "max" : 4,
"keep_alive" : "5m" }, "suggest" : { "type" :
"fixed", "min" : 8, "max" : 8, "queue_size" :
"1k" }, "bulk" : { "type" : "fixed", "min"
: 8, "max" : 8, "queue_size" : "50" },
"optimize" : { "type" : "fixed", "min" : 1,
"max" : 1 }, "warmer" : { "type" : "scaling",
"min" : 1, "max" : 4, "keep_alive" : "5m" },
"flush" : { "type" : "scaling", "min" : 1,
"max" : 4, "keep_alive" : "5m" }, "search" : {
"type" : "fixed", "min" : 24, "max" : 24,
"queue_size" : "1k" }, "percolate" : { "type" :
"fixed", "min" : 8, "max" : 8, "queue_size" :
"1k" }, "management" : { "type" : "scaling",
"min" : 1, "max" : 5, "keep_alive" : "5m" },
"refresh" : { "type" : "scaling", "min" : 1,
"max" : 4, "keep_alive" : "5m" } },
"network" : { "refresh_interval_in_millis" : 5000,
"primary_interface" : { "address" : "192.99.5.98",
"name" : "eth0", "mac_address" : "08:60:6E:E5:C1:CE" }
}, "transport" : { "bound_address" :
"inet[/0:0:0:0:0:0:0:0:9300]", "publish_address" : "inet[/
192.99.5.98:9300]" }, "http" : { "bound_address" :
"inet[/0:0:0:0:0:0:0:0:9299]", "publish_address" : "inet[/
192.99.5.98:9299]", "max_content_length_in_bytes" : 104857600
}, "plugins" : [ { "name" : "marvel", "version" : "NA",
"description" : "No description found.", "url" :
"/_plugin/marvel/", "jvm" : false, "site" : true }, {
"name" : "paramedic", "version" : "NA", "description"
: "No description found.", "url" : "/_plugin/paramedic/",
"jvm" : false, "site" : true } ] },
"gzaTyhMMSZyuQEJZhlhR-Q" : { "name" : "Host80",
"transport_address" : "inet[/192.99.9.80:9300]", "host" : "
ns501551.ip-192-99-9.net", "ip" : "192.99.9.80", "version" :
"1.2.2", "build" : "9902f08", "http_address" : "inet[/
192.99.9.80:9299]", "attributes" : { "master" : "true" },
"settings" : { "threadpool" : { "index" : {
"type" : "fixed", "queue_size" : "1000", "size" :
"50" } }, "node" : { "data" : "true",
"master" : "true", "name" : "Host80" },
"index" : { "number_of_replicas" : "1",
"number_of_shards" : "50" }, "http" : { "port" :
"9299" }, "name" : "Host80", "path" : {
"logs" : "/home/elasticsearch/logs", "home" :
"/home/elasticsearch" }, "indices" : { "recovery" :
{ "max_bytes_per_sec" : "200mb" } },
"cluster" : { "name" : "zocialinc" }, "script" : {
"disable_dynamic" : "false" }, "discovery" : {
"zen" : { "minimum_master_nodes" : "3", "ping" :
{ "unicast" : { "hosts" : [ "192.99.5.98",
"198.27.70.88" ] }, "multicast" : {
"enabled" : "false" }, "timeout" : "30s"
} } }, "foreground" : "yes" },
"os" : { "refresh_interval_in_millis" : 1000,
"available_processors" : 8, "cpu" : { "vendor" : "Intel",
"model" : "Xeon", "mhz" : 3800, "total_cores" : 8
, "total_sockets" : 8, "cores_per_socket" : 16,
"cache_size_in_bytes" : 8192 }, "mem" : {
"total_in_bytes" : 33628487680 }, "swap" : {
"total_in_bytes" : 1071636480 } }, "process" : {
"refresh_interval_in_millis" : 1000, "id" : 29729,
"max_file_descriptors" : 4096, "mlockall" : false },
"jvm" : { "pid" : 29729, "version" : "1.7.0_55",
"vm_name" : "OpenJDK 64-Bit Server VM", "vm_version" : "24.51-b03",
"vm_vendor" : "Oracle Corporation", "start_time_in_millis" :
1405999092155, "mem" : { "heap_init_in_bytes" :
19327352832, "heap_max_in_bytes" : 19257622528,
"non_heap_init_in_bytes" : 24313856, "non_heap_max_in_bytes" :
224395264, "direct_max_in_bytes" : 19257622528 },
"gc_collectors" : [ "ParNew", "ConcurrentMarkSweep" ],
"memory_pools" : [ "Code Cache", "Par Eden Space", "Par Survivor Space", "CMS
Old Gen", "CMS Perm Gen" ] }, "thread_pool" : { "generic"
: { "type" : "cached", "keep_alive" : "30s" },
"index" : { "type" : "fixed", "min" : 50,
"max" : 50, "queue_size" : "1k" }, "snapshot_data"
: { "type" : "scaling", "min" : 1, "max" : 5,
"keep_alive" : "5m" }, "bench" : { "type" :
"scaling", "min" : 1, "max" : 4, "keep_alive" :
"5m" }, "get" : { "type" : "fixed", "min"
: 8, "max" : 8, "queue_size" : "1k" },
"snapshot" : { "type" : "scaling", "min" : 1,
"max" : 4, "keep_alive" : "5m" }, "merge" : {
"type" : "scaling", "min" : 1, "max" : 4,
"keep_alive" : "5m" }, "suggest" : { "type" :
"fixed", "min" : 8, "max" : 8, "queue_size" :
"1k" }, "bulk" : { "type" : "fixed", "min"
: 8, "max" : 8, "queue_size" : "50" },
"optimize" : { "type" : "fixed", "min" : 1,
"max" : 1 }, "warmer" : { "type" : "scaling",
"min" : 1, "max" : 4, "keep_alive" : "5m" },
"flush" : { "type" : "scaling", "min" : 1,
"max" : 4, "keep_alive" : "5m" }, "search" : {
"type" : "fixed", "min" : 24, "max" : 24,
"queue_size" : "1k" }, "percolate" : { "type" :
"fixed", "min" : 8, "max" : 8, "queue_size" :
"1k" }, "management" : { "type" : "scaling",
"min" : 1, "max" : 5, "keep_alive" : "5m" },
"refresh" : { "type" : "scaling", "min" : 1,
"max" : 4, "keep_alive" : "5m" } },
"network" : { "refresh_interval_in_millis" : 5000,
"primary_interface" : { "address" : "192.99.9.80",
"name" : "eth0", "mac_address" : "70:54:D2:19:BA:B7" }
}, "transport" : { "bound_address" :
"inet[/0:0:0:0:0:0:0:0%0:9300]", "publish_address" : "inet[/
192.99.9.80:9300]" }, "http" : { "bound_address" :
"inet[/0:0:0:0:0:0:0:0%0:9299]", "publish_address" : "inet[/
192.99.9.80:9299]", "max_content_length_in_bytes" : 104857600
}, "plugins" : [ { "name" : "marvel", "version" : "NA",
"description" : "No description found.", "url" :
"/_plugin/marvel/", "jvm" : false, "site" : true } ]
}, "sQEMBQGMT1eyDrPwF-xGeA" : { "name" : "Host88",
"transport_address" : "inet[/198.27.70.88:9300]", "host" : "
ns4008677.ip-198-27-70.net", "ip" : "198.27.70.88", "version" :
"1.1.1", "build" : "f1585f0", "http_address" : "inet[/
198.27.70.88:9200]", "attributes" : { "master" : "true"
}, "settings" : { "threadpool" : { "index" : {
"type" : "fixed", "queue_size" : "1000", "size"
: "50" } }, "node" : { "data" : "true",
"master" : "true", "name" : "Host88" },
"index" : { "number_of_replicas" : "1",
"number_of_shards" : "50" }, "name" : "Host88",
"pidfile" : "/var/run/elasticsearch/elasticsearch.pid", "path" : {
"data" : "/var/lib/elasticsearch", "work" :
"/tmp/elasticsearch", "home" : "/usr/share/elasticsearch",
"conf" : "/etc/elasticsearch", "logs" :
"/var/log/elasticsearch" }, "indices" : {
"recovery" : { "max_bytes_per_sec" : "200mb" }
}, "cluster" : { "name" : "zocialinc" },
"script" : { "disable_dynamic" : "false" },
"discovery" : { "zen" : { "minimum_master_nodes" : "2"
, "ping" : { "unicast" : { "hosts"
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"multicast" : { "enabled" : "false" },
"timeout" : "30s" } } },
"foreground" : "yes" }, "os" : {
"refresh_interval_in_millis" : 1000, "available_processors" : 8,
"cpu" : { "vendor" : "Intel", "model" : "Xeon",
"mhz" : 3392, "total_cores" : 8, "total_sockets"
: 8, "cores_per_socket" : 16, "cache_size_in_bytes" :
8192 }, "mem" : { "total_in_bytes" : 33700106240
}, "swap" : { "total_in_bytes" : 17177755648 }
}, "process" : { "refresh_interval_in_millis" : 1000,
"id" : 2142, "max_file_descriptors" : 65535, "mlockall"
: false }, "jvm" : { "pid" : 2142, "version" :
"1.7.0_25", "vm_name" : "Java HotSpot(TM) 64-Bit Server VM",
"vm_version" : "23.25-b01", "vm_vendor" : "Oracle Corporation",
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"ConcurrentMarkSweep" ], "memory_pools" : [ "Code Cache", "Par
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}, "transport" : { "bound_address" :
"inet[/0:0:0:0:0:0:0:0%0:9300]", "publish_address" : "inet[/
198.27.70.88:9300]" }, "http" : { "bound_address" :
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198.27.70.88:9200]", "max_content_length_in_bytes" : 104857600
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, "site" : true } ] } }}

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(Warat Wongmaneekit) #3

Thank you so much if we have data like this how many node we have to
provided?

On Friday, July 25, 2014 2:18:58 PM UTC+7, Warat Wongmaneekit wrote:

We have 3 nodes of elastic search all nodes is mater=true and data=true.
When we try to find the best practice almost is recommend to setup 1 node
for master=true,data=false and another 2 nodes is master=false,data=true.
So if we need to change it how going on with current master node. It will
be automatic allocation? or we have to delete and insert data again?

For another question Do you have any configuration suggestion detail is
bellow

Hard ward for all nodes
CPU 3.4 8 core
Ram 32 GB
HDD raid 0 1TB
Current heap size 18GB
Elasticsearch Data 160GB | 108,190,284 records

Our node setting

{ "cluster_name" : "zocialinc", "nodes" : { "WEbhsuSQQeCvYI_s3I_E0A"
: { "name" : "Host98", "transport_address" : "inet[/
192.99.5.98:9300]", "host" : "ns5000258.ip-192-99-5.net", "ip" :
"192.99.5.98", "version" : "1.2.2", "build" : "9902f08",
"http_address" : "inet[/192.99.5.98:9299]", "attributes" : {
"master" : "true" }, "settings" : { "threadpool" : {
"index" : { "type" : "fixed", "queue_size" :
"1000", "size" : "50" } }, "node" : {
"data" : "true", "master" : "true", "name" :
"Host98" }, "index" : { "number_of_replicas" : "1",
"number_of_shards" : "50" }, "http" : {
"port" : "9299" }, "name" : "Host98", "path" : {
"logs" : "/home/elasticsearch/logs", "home" :
"/home/elasticsearch", "conf" : "/home/elasticsearch/config"
}, "indices" : { "recovery" : {
"max_bytes_per_sec" : "200mb" } }, "cluster" : {
"name" : "zocialinc" }, "script" : {
"disable_dynamic" : "false" }, "discovery" : {
"zen" : { "minimum_master_nodes" : "3", "ping" : {
"unicast" : { "hosts" : [ "192.99.9.80",
"198.27.70.88" ] }, "multicast" : {
"enabled" : "false" }, "timeout" : "30s"
} } }, "foreground" : "yes" },
"os" : { "refresh_interval_in_millis" : 1000,
"available_processors" : 8, "cpu" : { "vendor" : "Intel",
"model" : "Xeon", "mhz" : 3800, "total_cores" :
8, "total_sockets" : 8, "cores_per_socket" : 16,
"cache_size_in_bytes" : 8192
...

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(Jörg Prante) #4

It is not recommend to use only one master node and just two data nodes.
This is very prone to errors and split brains.

The rule is:

  • use at least one master eligible node for fault tolerance between master
    nodes: 2,3,4,...

  • use more than two, but an odd number of data nodes (to fulfill the odd
    number of nodes rule for quorum): i.e. 3,5,7,...

  • make sure at every time that every master node can see "at least half of
    the data nodes plus one", to guarantee consistency while writing

  • add or remove replica levels (at least replica level 1) and data nodes
    for scaling as you like

You should also combine master and data nodes for simplicity of setup, this
is Elastiscearch default.

This means that you can go on with three master/data nodes.

Only if you have large dynamic cluster states (field numbers, mappings for
example), that are competing for large heap resources, you should consider
to dedicate nodes being a master. This is because dedicate master node can
process cluster state changes faster.

Jörg

On Fri, Jul 25, 2014 at 9:34 AM, Mark Walkom markw@campaignmonitor.com
wrote:

If you can have 3 nodes, make all 3 master and data, that way you don't
waste resources on a master only and you gain some protection against split
brain.
You really only want/need a master only when you start getting into the
10-20 node count.

Regards,
Mark Walkom

Infrastructure Engineer
Campaign Monitor
email: markw@campaignmonitor.com
web: www.campaignmonitor.com

On 25 July 2014 17:18, Warat Wongmaneekit canopybanj@gmail.com wrote:

We have 3 nodes of elastic search all nodes is mater=true and data=true.
When we try to find the best practice almost is recommend to setup 1 node
for master=true,data=false and another 2 nodes is master=false,data=true.
So if we need to change it how going on with current master node. It will
be automatic allocation? or we have to delete and insert data again?

For another question Do you have any configuration suggestion detail is
bellow

Hard ward for all nodes
CPU 3.4 8 core
Ram 32 GB
HDD raid 0 1TB
Current heap size 18GB
Elasticsearch Data 160GB | 108,190,284 records

Our node setting

{ "cluster_name" : "zocialinc", "nodes" : {
"WEbhsuSQQeCvYI_s3I_E0A" : { "name" : "Host98",
"transport_address" : "inet[/192.99.5.98:9300]", "host" : "
ns5000258.ip-192-99-5.net", "ip" : "192.99.5.98", "version" :
"1.2.2", "build" : "9902f08", "http_address" : "inet[/
192.99.5.98:9299]", "attributes" : { "master" : "true"
}, "settings" : { "threadpool" : { "index" : {
"type" : "fixed", "queue_size" : "1000",
"size" : "50" } }, "node" : { "data" :
"true", "master" : "true", "name" : "Host98" },
"index" : { "number_of_replicas" : "1",
"number_of_shards" : "50" }, "http" : { "port" :
"9299" }, "name" : "Host98", "path" : {
"logs" : "/home/elasticsearch/logs", "home" :
"/home/elasticsearch", "conf" : "/home/elasticsearch/config"
}, "indices" : { "recovery" : {
"max_bytes_per_sec" : "200mb" } }, "cluster" : {
"name" : "zocialinc" }, "script" : {
"disable_dynamic" : "false" }, "discovery" : {
"zen" : { "minimum_master_nodes" : "3", "ping" : {
"unicast" : { "hosts" : [ "192.99.9.80",
"198.27.70.88" ] }, "multicast" : {
"enabled" : "false" }, "timeout" : "30s"
} } }, "foreground" : "yes" },
"os" : { "refresh_interval_in_millis" : 1000,
"available_processors" : 8, "cpu" : { "vendor" : "Intel",
"model" : "Xeon", "mhz" : 3800, "total_cores" :
8, "total_sockets" : 8, "cores_per_socket" : 16,
"cache_size_in_bytes" : 8192 }, "mem" : {
"total_in_bytes" : 33705795584 }, "swap" : {
"total_in_bytes" : 1071636480 } }, "process" : {
"refresh_interval_in_millis" : 1000, "id" : 27487,
"max_file_descriptors" : 4096, "mlockall" : false },
"jvm" : { "pid" : 27487, "version" : "1.7.0_65",
"vm_name" : "OpenJDK 64-Bit Server VM", "vm_version" : "24.65-b04"
, "vm_vendor" : "Oracle Corporation",
"start_time_in_millis" : 1406002559510, "mem" : {
"heap_init_in_bytes" : 19327352832, "heap_max_in_bytes" :
19257622528, "non_heap_init_in_bytes" : 24313856,
"non_heap_max_in_bytes" : 224395264, "direct_max_in_bytes" :
19257622528 }, "gc_collectors" : [ "ParNew",
"ConcurrentMarkSweep" ], "memory_pools" : [ "Code Cache", "Par
Eden Space", "Par Survivor Space", "CMS Old Gen", "CMS Perm Gen" ]
}, "thread_pool" : { "generic" : { "type" : "cached"
, "keep_alive" : "30s" }, "index" : {
"type" : "fixed", "min" : 50, "max" : 50,
"queue_size" : "1k" }, "snapshot_data" : { "type"
: "scaling", "min" : 1, "max" : 5,
"keep_alive" : "5m" }, "bench" : { "type" :
"scaling", "min" : 1, "max" : 4, "keep_alive"
: "5m" }, "get" : { "type" : "fixed",
"min" : 8, "max" : 8, "queue_size" : "1k" },
"snapshot" : { "type" : "scaling", "min" : 1,
"max" : 4, "keep_alive" : "5m" }, "merge" : {
"type" : "scaling", "min" : 1, "max" : 4,
"keep_alive" : "5m" }, "suggest" : { "type" :
"fixed", "min" : 8, "max" : 8, "queue_size" :
"1k" }, "bulk" : { "type" : "fixed",
"min" : 8, "max" : 8, "queue_size" : "50" },
"optimize" : { "type" : "fixed", "min" : 1,
"max" : 1 }, "warmer" : { "type" : "scaling",
"min" : 1, "max" : 4, "keep_alive" : "5m"
}, "flush" : { "type" : "scaling", "min" : 1,
"max" : 4, "keep_alive" : "5m" }, "search"
: { "type" : "fixed", "min" : 24, "max" : 24,
"queue_size" : "1k" }, "percolate" : {
"type" : "fixed", "min" : 8, "max" : 8,
"queue_size" : "1k" }, "management" : { "type" :
"scaling", "min" : 1, "max" : 5, "keep_alive"
: "5m" }, "refresh" : { "type" : "scaling",
"min" : 1, "max" : 4, "keep_alive" : "5m" }
}, "network" : { "refresh_interval_in_millis" : 5000,
"primary_interface" : { "address" : "192.99.5.98",
"name" : "eth0", "mac_address" : "08:60:6E:E5:C1:CE" }
}, "transport" : { "bound_address" :
"inet[/0:0:0:0:0:0:0:0:9300]", "publish_address" : "inet[/
192.99.5.98:9300]" }, "http" : { "bound_address" :
"inet[/0:0:0:0:0:0:0:0:9299]", "publish_address" : "inet[/
192.99.5.98:9299]", "max_content_length_in_bytes" : 104857600
}, "plugins" : [ { "name" : "marvel", "version" :
"NA", "description" : "No description found.", "url" :
"/_plugin/marvel/", "jvm" : false, "site" : true }, {
"name" : "paramedic", "version" : "NA",
"description" : "No description found.", "url" :
"/_plugin/paramedic/", "jvm" : false, "site" : true }
] }, "gzaTyhMMSZyuQEJZhlhR-Q" : { "name" : "Host80",
"transport_address" : "inet[/192.99.9.80:9300]", "host" : "
ns501551.ip-192-99-9.net", "ip" : "192.99.9.80", "version" :
"1.2.2", "build" : "9902f08", "http_address" : "inet[/
192.99.9.80:9299]", "attributes" : { "master" : "true"
}, "settings" : { "threadpool" : { "index" : {
"type" : "fixed", "queue_size" : "1000",
"size" : "50" } }, "node" : { "data" :
"true", "master" : "true", "name" : "Host80" },
"index" : { "number_of_replicas" : "1",
"number_of_shards" : "50" }, "http" : { "port" :
"9299" }, "name" : "Host80", "path" : {
"logs" : "/home/elasticsearch/logs", "home" :
"/home/elasticsearch" }, "indices" : { "recovery"
: { "max_bytes_per_sec" : "200mb" } },
"cluster" : { "name" : "zocialinc" }, "script" : {
"disable_dynamic" : "false" }, "discovery" : {
"zen" : { "minimum_master_nodes" : "3", "ping"
: { "unicast" : { "hosts" : [ "192.99.5.98",
"198.27.70.88" ] }, "multicast" : {
"enabled" : "false" }, "timeout" : "30s"
} } }, "foreground" : "yes" },
"os" : { "refresh_interval_in_millis" : 1000,
"available_processors" : 8, "cpu" : { "vendor" : "Intel",
"model" : "Xeon", "mhz" : 3800, "total_cores" :
8, "total_sockets" : 8, "cores_per_socket" : 16,
"cache_size_in_bytes" : 8192 }, "mem" : {
"total_in_bytes" : 33628487680 }, "swap" : {
"total_in_bytes" : 1071636480 } }, "process" : {
"refresh_interval_in_millis" : 1000, "id" : 29729,
"max_file_descriptors" : 4096, "mlockall" : false },
"jvm" : { "pid" : 29729, "version" : "1.7.0_55",
"vm_name" : "OpenJDK 64-Bit Server VM", "vm_version" : "24.51-b03"
, "vm_vendor" : "Oracle Corporation",
"start_time_in_millis" : 1405999092155, "mem" : {
"heap_init_in_bytes" : 19327352832, "heap_max_in_bytes" :
19257622528, "non_heap_init_in_bytes" : 24313856,
"non_heap_max_in_bytes" : 224395264, "direct_max_in_bytes" :
19257622528 }, "gc_collectors" : [ "ParNew",
"ConcurrentMarkSweep" ], "memory_pools" : [ "Code Cache", "Par
Eden Space", "Par Survivor Space", "CMS Old Gen", "CMS Perm Gen" ]
}, "thread_pool" : { "generic" : { "type" : "cached"
, "keep_alive" : "30s" }, "index" : {
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"queue_size" : "1k" }, "snapshot_data" : { "type"
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"keep_alive" : "5m" }, "bench" : { "type" :
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"min" : 8, "max" : 8, "queue_size" : "1k" },
"snapshot" : { "type" : "scaling", "min" : 1,
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"min" : 8, "max" : 8, "queue_size" : "50" },
"optimize" : { "type" : "fixed", "min" : 1,
"max" : 1 }, "warmer" : { "type" : "scaling",
"min" : 1, "max" : 4, "keep_alive" : "5m"
}, "flush" : { "type" : "scaling", "min" : 1,
"max" : 4, "keep_alive" : "5m" }, "search"
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"queue_size" : "1k" }, "percolate" : {
"type" : "fixed", "min" : 8, "max" : 8,
"queue_size" : "1k" }, "management" : { "type" :
"scaling", "min" : 1, "max" : 5, "keep_alive"
: "5m" }, "refresh" : { "type" : "scaling",
"min" : 1, "max" : 4, "keep_alive" : "5m" }
}, "network" : { "refresh_interval_in_millis" : 5000,
"primary_interface" : { "address" : "192.99.9.80",
"name" : "eth0", "mac_address" : "70:54:D2:19:BA:B7" }
}, "transport" : { "bound_address" :
"inet[/0:0:0:0:0:0:0:0%0:9300]", "publish_address" : "inet[/
192.99.9.80:9300]" }, "http" : { "bound_address" :
"inet[/0:0:0:0:0:0:0:0%0:9299]", "publish_address" : "inet[/
192.99.9.80:9299]", "max_content_length_in_bytes" : 104857600
}, "plugins" : [ { "name" : "marvel", "version" :
"NA", "description" : "No description found.", "url" :
"/_plugin/marvel/", "jvm" : false, "site" : true } ]
}, "sQEMBQGMT1eyDrPwF-xGeA" : { "name" : "Host88",
"transport_address" : "inet[/198.27.70.88:9300]", "host" : "
ns4008677.ip-198-27-70.net", "ip" : "198.27.70.88", "version" :
"1.1.1", "build" : "f1585f0", "http_address" : "inet[/
198.27.70.88:9200]", "attributes" : { "master" : "true"
}, "settings" : { "threadpool" : { "index" : {
"type" : "fixed", "queue_size" : "1000",
"size" : "50" } }, "node" : { "data" :
"true", "master" : "true", "name" : "Host88" },
"index" : { "number_of_replicas" : "1",
"number_of_shards" : "50" }, "name" : "Host88",
"pidfile" : "/var/run/elasticsearch/elasticsearch.pid", "path" : {
"data" : "/var/lib/elasticsearch", "work" :
"/tmp/elasticsearch", "home" : "/usr/share/elasticsearch",
"conf" : "/etc/elasticsearch", "logs" :
"/var/log/elasticsearch" }, "indices" : {
"recovery" : { "max_bytes_per_sec" : "200mb" }
}, "cluster" : { "name" : "zocialinc" },
"script" : { "disable_dynamic" : "false" },
"discovery" : { "zen" : { "minimum_master_nodes" :
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"multicast" : { "enabled" : "false" },
"timeout" : "30s" } } },
"foreground" : "yes" }, "os" : {
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"cpu" : { "vendor" : "Intel", "model" : "Xeon",
"mhz" : 3392, "total_cores" : 8, "total_sockets"
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8192 }, "mem" : { "total_in_bytes" : 33700106240
}, "swap" : { "total_in_bytes" : 17177755648
} }, "process" : { "refresh_interval_in_millis" : 1000,
"id" : 2142, "max_file_descriptors" : 65535,
"mlockall" : false }, "jvm" : { "pid" : 2142,
"version" : "1.7.0_25", "vm_name" : "Java HotSpot(TM) 64-Bit
Server VM", "vm_version" : "23.25-b01", "vm_vendor" : "Oracle
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"heap_max_in_bytes" : 19257622528, "non_heap_init_in_bytes" :
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"direct_max_in_bytes" : 19257622528 }, "gc_collectors" : [
"ParNew", "ConcurrentMarkSweep" ], "memory_pools" : [ "Code Cache"
, "Par Eden Space", "Par Survivor Space", "CMS Old Gen", "CMS Perm Gen" ]
}, "thread_pool" : { "generic" : { "type" :
"cached", "keep_alive" : "30s" }, "index" : {
"type" : "fixed", "min" : 50, "max" : 50,
"queue_size" : "1k" }, "get" : { "type" : "fixed"
, "min" : 8, "max" : 8, "queue_size" : "1k"
}, "snapshot" : { "type" : "scaling", "min"
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"merge" : { "type" : "scaling", "min" : 1,
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"type" : "fixed", "min" : 8, "max" : 8,
"queue_size" : "1k" }, "bulk" : { "type" :
"fixed", "min" : 8, "max" : 8, "queue_size" :
"50" }, "optimize" : { "type" : "fixed",
"min" : 1, "max" : 1 }, "warmer" : {
"type" : "scaling", "min" : 1, "max" : 4,
"keep_alive" : "5m" }, "flush" : { "type" :
"scaling", "min" : 1, "max" : 4, "keep_alive"
: "5m" }, "search" : { "type" : "fixed",
"min" : 24, "max" : 24, "queue_size" : "1k" },
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"/_plugin/head/", "jvm" : false, "site" : true } ]
} }}

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(David Pilato) #5

It is not recommend to use only one master node and just two data nodes. This is very prone to errors and split brains.

Just a note: having one master eligible node only won't lead to a split brain issue but will totally block your cluster (read/write) when your master will be down.

As Jörg said, I'd recommend at least 3 master eligible nodes for production usage.

--
David Pilato | Technical Advocate | Elasticsearch.com
@dadoonet | @elasticsearchfr

Le 25 juillet 2014 à 09:51:47, joergprante@gmail.com (joergprante@gmail.com) a écrit:

It is not recommend to use only one master node and just two data nodes. This is very prone to errors and split brains.

The rule is:

  • use at least one master eligible node for fault tolerance between master nodes: 2,3,4,...

  • use more than two, but an odd number of data nodes (to fulfill the odd number of nodes rule for quorum): i.e. 3,5,7,...

  • make sure at every time that every master node can see "at least half of the data nodes plus one", to guarantee consistency while writing

  • add or remove replica levels (at least replica level 1) and data nodes for scaling as you like

You should also combine master and data nodes for simplicity of setup, this is Elastiscearch default.

This means that you can go on with three master/data nodes.

Only if you have large dynamic cluster states (field numbers, mappings for example), that are competing for large heap resources, you should consider to dedicate nodes being a master. This is because dedicate master node can process cluster state changes faster.

Jörg

On Fri, Jul 25, 2014 at 9:34 AM, Mark Walkom markw@campaignmonitor.com wrote:
If you can have 3 nodes, make all 3 master and data, that way you don't waste resources on a master only and you gain some protection against split brain.
You really only want/need a master only when you start getting into the 10-20 node count.

Regards,
Mark Walkom

Infrastructure Engineer
Campaign Monitor
email: markw@campaignmonitor.com
web: www.campaignmonitor.com

On 25 July 2014 17:18, Warat Wongmaneekit canopybanj@gmail.com wrote:
We have 3 nodes of elastic search all nodes is mater=true and data=true. When we try to find the best practice almost is recommend to setup 1 node for master=true,data=false and another 2 nodes is master=false,data=true. So if we need to change it how going on with current master node. It will be automatic allocation? or we have to delete and insert data again?

For another question Do you have any configuration suggestion detail is bellow

Hard ward for all nodes
CPU 3.4 8 core
Ram 32 GB
HDD raid 0 1TB
Current heap size 18GB
Elasticsearch Data 160GB | 108,190,284 records

Our node setting

{
"cluster_name" : "zocialinc",
"nodes" : {
"WEbhsuSQQeCvYI_s3I_E0A" : {
"name" : "Host98",
"transport_address" : "inet[/192.99.5.98:9300]",
"host" : "ns5000258.ip-192-99-5.net",
"ip" : "192.99.5.98",
"version" : "1.2.2",
"build" : "9902f08",
"http_address" : "inet[/192.99.5.98:9299]",
"attributes" : {
"master" : "true"
},
"settings" : {
"threadpool" : {
"index" : {
"type" : "fixed",
"queue_size" : "1000",
"size" : "50"
}
},
"node" : {
"data" : "true",
"master" : "true",
"name" : "Host98"
},
"index" : {
"number_of_replicas" : "1",
"number_of_shards" : "50"
},
"http" : {
"port" : "9299"
},
"name" : "Host98",
"path" : {
"logs" : "/home/elasticsearch/logs",
"home" : "/home/elasticsearch",
"conf" : "/home/elasticsearch/config"
},
"indices" : {
"recovery" : {
"max_bytes_per_sec" : "200mb"
}
},
"cluster" : {
"name" : "zocialinc"
},
"script" : {
"disable_dynamic" : "false"
},
"discovery" : {
"zen" : {
"minimum_master_nodes" : "3",
"ping" : {
"unicast" : {
"hosts" : [ "192.99.9.80", "198.27.70.88" ]
},
"multicast" : {
"enabled" : "false"
},
"timeout" : "30s"
}
}
},
"foreground" : "yes"
},
"os" : {
"refresh_interval_in_millis" : 1000,
"available_processors" : 8,
"cpu" : {
"vendor" : "Intel",
"model" : "Xeon",
"mhz" : 3800,
"total_cores" : 8,
"total_sockets" : 8,
"cores_per_socket" : 16,
"cache_size_in_bytes" : 8192
},
"mem" : {
"total_in_bytes" : 33705795584
},
"swap" : {
"total_in_bytes" : 1071636480
}
},
"process" : {
"refresh_interval_in_millis" : 1000,
"id" : 27487,
"max_file_descriptors" : 4096,
"mlockall" : false
},
"jvm" : {
"pid" : 27487,
"version" : "1.7.0_65",
"vm_name" : "OpenJDK 64-Bit Server VM",
"vm_version" : "24.65-b04",
"vm_vendor" : "Oracle Corporation",
"start_time_in_millis" : 1406002559510,
"mem" : {
"heap_init_in_bytes" : 19327352832,
"heap_max_in_bytes" : 19257622528,
"non_heap_init_in_bytes" : 24313856,
"non_heap_max_in_bytes" : 224395264,
"direct_max_in_bytes" : 19257622528
},
"gc_collectors" : [ "ParNew", "ConcurrentMarkSweep" ],
"memory_pools" : [ "Code Cache", "Par Eden Space", "Par Survivor Space", "CMS Old Gen", "CMS Perm Gen" ]
},
"thread_pool" : {
"generic" : {
"type" : "cached",
"keep_alive" : "30s"
},
"index" : {
"type" : "fixed",
"min" : 50,
"max" : 50,
"queue_size" : "1k"
},
"snapshot_data" : {
"type" : "scaling",
"min" : 1,
"max" : 5,
"keep_alive" : "5m"
},
"bench" : {
"type" : "scaling",
"min" : 1,
"max" : 4,
"keep_alive" : "5m"
},
"get" : {
"type" : "fixed",
"min" : 8,
"max" : 8,
"queue_size" : "1k"
},
"snapshot" : {
"type" : "scaling",
"min" : 1,
"max" : 4,
"keep_alive" : "5m"
},
"merge" : {
"type" : "scaling",
"min" : 1,
"max" : 4,
"keep_alive" : "5m"
},
"suggest" : {
"type" : "fixed",
"min" : 8,
"max" : 8,
"queue_size" : "1k"
},
"bulk" : {
"type" : "fixed",
"min" : 8,
"max" : 8,
"queue_size" : "50"
},
"optimize" : {
"type" : "fixed",
"min" : 1,
"max" : 1
},
"warmer" : {
"type" : "scaling",
"min" : 1,
"max" : 4,
"keep_alive" : "5m"
},
"flush" : {
"type" : "scaling",
"min" : 1,
"max" : 4,
"keep_alive" : "5m"
},
"search" : {
"type" : "fixed",
"min" : 24,
"max" : 24,
"queue_size" : "1k"
},
"percolate" : {
"type" : "fixed",
"min" : 8,
"max" : 8,
"queue_size" : "1k"
},
"management" : {
"type" : "scaling",
"min" : 1,
"max" : 5,
"keep_alive" : "5m"
},
"refresh" : {
"type" : "scaling",
"min" : 1,
"max" : 4,
"keep_alive" : "5m"
}
},
"network" : {
"refresh_interval_in_millis" : 5000,
"primary_interface" : {
"address" : "192.99.5.98",
"name" : "eth0",
"mac_address" : "08:60:6E:E5:C1:CE"
}
},
"transport" : {
"bound_address" : "inet[/0:0:0:0:0:0:0:0:9300]",
"publish_address" : "inet[/192.99.5.98:9300]"
},
"http" : {
"bound_address" : "inet[/0:0:0:0:0:0:0:0:9299]",
"publish_address" : "inet[/192.99.5.98:9299]",
"max_content_length_in_bytes" : 104857600
},
"plugins" : [ {
"name" : "marvel",
"version" : "NA",
"description" : "No description found.",
"url" : "/_plugin/marvel/",
"jvm" : false,
"site" : true
}, {
"name" : "paramedic",
"version" : "NA",
"description" : "No description found.",
"url" : "/_plugin/paramedic/",
"jvm" : false,
"site" : true
} ]
},
"gzaTyhMMSZyuQEJZhlhR-Q" : {
"name" : "Host80",
"transport_address" : "inet[/192.99.9.80:9300]",
"host" : "ns501551.ip-192-99-9.net",
"ip" : "192.99.9.80",
"version" : "1.2.2",
"build" : "9902f08",
"http_address" : "inet[/192.99.9.80:9299]",
"attributes" : {
"master" : "true"
},
"settings" : {
"threadpool" : {
"index" : {
"type" : "fixed",
"queue_size" : "1000",
"size" : "50"
}
},
"node" : {
"data" : "true",
"master" : "true",
"name" : "Host80"
},
"index" : {
"number_of_replicas" : "1",
"number_of_shards" : "50"
},
"http" : {
"port" : "9299"
},
"name" : "Host80",
"path" : {
"logs" : "/home/elasticsearch/logs",
"home" : "/home/elasticsearch"
},
"indices" : {
"recovery" : {
"max_bytes_per_sec" : "200mb"
}
},
"cluster" : {
"name" : "zocialinc"
},
"script" : {
"disable_dynamic" : "false"
},
"discovery" : {
"zen" : {
"minimum_master_nodes" : "3",
"ping" : {
"unicast" : {
"hosts" : [ "192.99.5.98", "198.27.70.88" ]
},
"multicast" : {
"enabled" : "false"
},
"timeout" : "30s"
}
}
},
"foreground" : "yes"
},
"os" : {
"refresh_interval_in_millis" : 1000,
"available_processors" : 8,
"cpu" : {
"vendor" : "Intel",
"model" : "Xeon",
"mhz" : 3800,
"total_cores" : 8,
"total_sockets" : 8,
"cores_per_socket" : 16,
"cache_size_in_bytes" : 8192
},
"mem" : {
"total_in_bytes" : 33628487680
},
"swap" : {
"total_in_bytes" : 1071636480
}
},
"process" : {
"refresh_interval_in_millis" : 1000,
"id" : 29729,
"max_file_descriptors" : 4096,
"mlockall" : false
},
"jvm" : {
"pid" : 29729,
"version" : "1.7.0_55",
"vm_name" : "OpenJDK 64-Bit Server VM",
"vm_version" : "24.51-b03",
"vm_vendor" : "Oracle Corporation",
"start_time_in_millis" : 1405999092155,
"mem" : {
"heap_init_in_bytes" : 19327352832,
"heap_max_in_bytes" : 19257622528,
"non_heap_init_in_bytes" : 24313856,
"non_heap_max_in_bytes" : 224395264,
"direct_max_in_bytes" : 19257622528
},
"gc_collectors" : [ "ParNew", "ConcurrentMarkSweep" ],
"memory_pools" : [ "Code Cache", "Par Eden Space", "Par Survivor Space", "CMS Old Gen", "CMS Perm Gen" ]
},
"thread_pool" : {
"generic" : {
"type" : "cached",
"keep_alive" : "30s"
},
"index" : {
"type" : "fixed",
"min" : 50,
"max" : 50,
"queue_size" : "1k"
},
"snapshot_data" : {
"type" : "scaling",
"min" : 1,
"max" : 5,
"keep_alive" : "5m"
},
"bench" : {
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"max" : 4,
"keep_alive" : "5m"
},
"get" : {
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"min" : 8,
"max" : 8,
"queue_size" : "1k"
},
"snapshot" : {
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"max" : 4,
"keep_alive" : "5m"
},
"merge" : {
"type" : "scaling",
"min" : 1,
"max" : 4,
"keep_alive" : "5m"
},
"suggest" : {
"type" : "fixed",
"min" : 8,
"max" : 8,
"queue_size" : "1k"
},
"bulk" : {
"type" : "fixed",
"min" : 8,
"max" : 8,
"queue_size" : "50"
},
"optimize" : {
"type" : "fixed",
"min" : 1,
"max" : 1
},
"warmer" : {
"type" : "scaling",
"min" : 1,
"max" : 4,
"keep_alive" : "5m"
},
"flush" : {
"type" : "scaling",
"min" : 1,
"max" : 4,
"keep_alive" : "5m"
},
"search" : {
"type" : "fixed",
"min" : 24,
"max" : 24,
"queue_size" : "1k"
},
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},
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}
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"http_address" : "inet[/198.27.70.88:9200]",
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},
"timeout" : "30s"
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"foreground" : "yes"
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"available_processors" : 8,
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"heap_max_in_bytes" : 19257622528,
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},
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"memory_pools" : [ "Code Cache", "Par Eden Space", "Par Survivor Space", "CMS Old Gen", "CMS Perm Gen" ]
},
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"keep_alive" : "30s"
},
"index" : {
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"max" : 50,
"queue_size" : "1k"
},
"get" : {
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"max" : 8,
"queue_size" : "1k"
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"snapshot" : {
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},
"merge" : {
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"min" : 1,
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"keep_alive" : "5m"
},
"suggest" : {
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},
"bulk" : {
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"queue_size" : "50"
},
"optimize" : {
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"max" : 1
},
"warmer" : {
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"max" : 4,
"keep_alive" : "5m"
},
"flush" : {
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"keep_alive" : "5m"
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"search" : {
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"max" : 24,
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},
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"queue_size" : "1k"
},
"management" : {
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},
"refresh" : {
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"max" : 4,
"keep_alive" : "5m"
}
},
"network" : {
"refresh_interval_in_millis" : 5000,
"primary_interface" : {
"address" : "198.27.70.88",
"name" : "eth0",
"mac_address" : "70:54:D2:1A:9F:5B"
}
},
"transport" : {
"bound_address" : "inet[/0:0:0:0:0:0:0:0%0:9300]",
"publish_address" : "inet[/198.27.70.88:9300]"
},
"http" : {
"bound_address" : "inet[/0:0:0:0:0:0:0:0%0:9200]",
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"max_content_length_in_bytes" : 104857600
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"url" : "/_plugin/HQ/",
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"name" : "head",
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"description" : "No description found.",
"url" : "/_plugin/head/",
"jvm" : false,
"site" : true
} ]
}
}
}

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(system) #6