I have a simple cluster with 2 nodes: master/data and data. I need to move
master data to another server. I tried to change master to data and data to
master, also made 3 node master. But always I had one result. Status of
cluster was green and I all shards were 0, but in home directory I had all
data. What should I do to solve this problem?
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sirkubax
(sirkubax)
June 9, 2014, 2:51pm
2
What this commnad show
curl -XGET 'http://localhost:9200/_nodes/_all/process?pretty=true ' |less
W dniu poniedziałek, 9 czerwca 2014 16:41:25 UTC+2 użytkownik Dmitriy
Kargapolov napisał:
I have a simple cluster with 2 nodes: master/data and data. I need to move
master data to another server. I tried to change master to data and data to
master, also made 3 node master. But always I had one result. Status of
cluster was green and I all shards were 0, but in home directory I had all
data. What should I do to solve this problem?
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This command show:
C:\Program Files\Elasticsearch\bin>curl -XGET
"http://localhost:9204/_nodes/_all/process?pretty=true "
{
"ok" : true,
"cluster_name" : "mycluster",
"nodes" : {
"RTlR2GvATs-jqYSRQ5c6bg" : {
"name" : "node4",
"transport_address" : "inet[/192.168.0.89:9304]",
"hostname" : "V04",
"version" : "0.90.12",
"http_address" : "inet[/192.168.0.89:9204]",
"attributes" : {
"master" : "false"
},
"process" : {
"refresh_interval" : 1000,
"id" : 3420,
"max_file_descriptors" : -1,
"mlockall" : false
}
},
"BA2wkXmKTAqQlaULydDjuA" : {
"name" : "node3",
"transport_address" : "inet[/192.168.0.173:9300]",
"hostname" : "V03",
"version" : "0.90.12",
"http_address" : "inet[/192.168.0.173:9200]",
"attributes" : {
"master" : "true"
},
"process" : {
"refresh_interval" : 1000,
"id" : 1148,
"max_file_descriptors" : -1,
"mlockall" : false
}
}
}
}
On Mon, Jun 9, 2014 at 5:51 PM, sirkubax jakubxmuszynski@googlemail.com wrote:
What this commnad show
curl -XGET 'http://localhost:9200/_nodes/_all/process?pretty=true ' |less
W dniu poniedziałek, 9 czerwca 2014 16:41:25 UTC+2 użytkownik Dmitriy
Kargapolov napisał:
I have a simple cluster with 2 nodes: master/data and data. I need to move
master data to another server. I tried to change master to data and data to
master, also made 3 node master. But always I had one result. Status of
cluster was green and I all shards were 0, but in home directory I had all
data. What should I do to solve this problem?
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sirkubax
(sirkubax)
June 10, 2014, 8:44am
4
Try add "
"data" : "false"
to the node that you would like to remove data (you are trying to move from
node4 -> node3 right?).
I'm not sure, but when operation succeed, data will be copied to node3,
but it as far as I know dhe data will stay on node, To be sure compare
folder size, and if correct, remove them manually.
The setting:
{
"ok" : true,
"cluster_name" : "mycluster",
"nodes" : {
"RTlR2GvATs-jqYSRQ5c6bg" : {
"name" : "node4",
"transport_address" : "inet[/192.168.0.89:9304]",
"hostname" : "V04",
"version" : "0.90.12",
"http_address" : "inet[/192.168.0.89:9204]",
"attributes" : {
"master" : "false"
"data" : "false"*
},
"process" : {
"refresh_interval" : 1000,
"id" : 3420,
"max_file_descriptors" : -1,
"mlockall" : false
}
},
"BA2wkXmKTAqQlaULydDjuA" : {
"name" : "node3",
"transport_address" : "inet[/192.168.0.173:9300]",
"hostname" : "V03",
"version" : "0.90.12",
"http_address" : "inet[/192.168.0.173:9200]",
"attributes" : {
"master" : "true"
},
"process" : {
"refresh_interval" : 1000,
"id" : 1148,
"max_file_descriptors" : -1,
"mlockall" : false
}
}
}
}
Actually
curl localhost:9200/_settings?pretty |less
{
"logstash-2014.05.09" : {
"settings" : {
"index" : {
"uuid" : "D3C5kDoVRUShZbxHsY9i9A",
"analysis" : {
"analyzer" : {
"default" : {
"type" : "standard",
"stopwords" : "none "
}
}
},
"number_of_replicas" : "1",
"number_of_shards" : "5",
"refresh_interval" : "5s",
"version" : {
"created" : "1000199"
}
}
}
},
If you have your replica configured, it should copy to second node itself.
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sirkubax
(sirkubax)
June 10, 2014, 8:45am
5
Try add ""data" : "false"
You can do it in you elasticserh.yml
You can exploit these settings to design advanced cluster topologies.
1. You want this node to never become a master node, only to hold data.
This will be the "workhorse" of your cluster.
node.master: false
node.data: true
2. You want this node to only serve as a master: to not store any data and
to have free resources. This will be the "coordinator" of your cluster.
node.master: true
node.data: false
3. You want this node to be neither master nor data node, but
to act as a "search load balancer" (fetching data from nodes,
aggregating results, etc.)
node.master: false
node.data: false
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Thanks for answering me. But all works now! I made all necessary
operations very slowly and carefully with full restart of servers. And
all work properly. I am really don't understand what the matter was.
Maybe I should to restart some service or process besides
elasticsearch service to make changes. I don't know.
On Tue, Jun 10, 2014 at 11:45 AM, sirkubax
jakubxmuszynski@googlemail.com wrote:
Try add "
"data" : "false"
You can do it in you elasticserh.yml
You can exploit these settings to design advanced cluster topologies.
1. You want this node to never become a master node, only to hold data.
This will be the "workhorse" of your cluster.
node.master: false
node.data: true
2. You want this node to only serve as a master: to not store any data and
to have free resources. This will be the "coordinator" of your cluster.
node.master: true
node.data: false
3. You want this node to be neither master nor data node, but
to act as a "search load balancer" (fetching data from nodes,
aggregating results, etc.)
node.master: false
node.data: false
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