Trying to setup elasticsearch cluster with docker-compose

Elastic Stack Elasticsearch
1

Hi,
My environment is two physical machine, both running in docker-compose.

I want to create elasticsearch cluster cross two docker container.

here's my configure:

ES1:
IP: 10.251.34.60

docker-compose.yml:

version: '2'
services:
  elasticsearch:
    image: elasticsearch:5.4.2
    hostname: es1
    container_name: es1
    user: elasticsearch
    ports:
    - 9200:9200
    - 9300:9300/udp
    environment:
      ES_JAVA_OPTS: "-Xms1g -Xmx1g"
    command: /usr/share/elasticsearch/bin/elasticsearch

elasticsearch.yml:

http.host: 0.0.0.0
transport.host: 0.0.0.0
discovery.zen.minimum_master_nodes: 1

cluster.name: prod_es_cluster
node.name: prod_es_node1
node.master: true
node.data: true
discovery.zen.ping_timeout: 10s

network.host: 0.0.0.0
network.bind_host: 0.0.0.0
network.publish_host: 0.0.0.0
transport.tcp.port: 9300
discovery.zen.ping.unicast.hosts: ["10.251.34.50:9300","10.251.34.60:9300"]

ES2:
IP: 10.251.34.50

docker-compose.yml:

version: '2'
services:
  elasticsearch:
    image: elasticsearch:5.4.2
    hostname: es2
    container_name: es2
    user: elasticsearch
    ports:
    - 9200:9200
    - 9300:9300/udp
    environment:
      ES_JAVA_OPTS: "-Xms1g -Xmx1g"
    command: /usr/share/elasticsearch/bin/elasticsearch

elasticsearch.yml:

http.host: 0.0.0.0
transport.host: 0.0.0.0
discovery.zen.minimum_master_nodes: 1

cluster.name: prod_es_cluster
node.name: prod_es_node2
node.master: true
node.data: true
discovery.zen.ping_timeout: 10s

network.host: 0.0.0.0
network.bind_host: 0.0.0.0
network.publish_host: 0.0.0.0
transport.tcp.port: 9300
discovery.zen.ping.unicast.hosts: ["10.251.34.50:9300","10.251.34.60:9300"]

how to setup cluster with docker container, any ideas?

Thanks! :grinning:

2

And here is logs, it seems like not connect each other

ES1:

[2017-11-08T03:15:54,666][INFO ][o.e.n.Node ] [prod_es_node1] initializing ...
[2017-11-08T03:15:54,734][INFO ][o.e.e.NodeEnvironment ] [prod_es_node1] using [1] data paths, mounts [[/ (rootfs)]], net usable_space [9.
6gb], net total_space [9.9gb], spins? [unknown], types [rootfs]
[2017-11-08T03:15:54,734][INFO ][o.e.e.NodeEnvironment ] [prod_es_node1] heap size [990.7mb], compressed ordinary object pointers [true]
[2017-11-08T03:15:54,736][INFO ][o.e.n.Node ] [prod_es_node1] node name [prod_es_node1], node ID [e7k9AdUIQkeCWIRifMOW9w]
[2017-11-08T03:15:54,736][INFO ][o.e.n.Node ] [prod_es_node1] version[5.4.2], pid[1], build[929b078/2017-06-15T02:29:28.122Z],
OS[Linux/3.10.0-327.el7.x86_64/amd64], JVM[Oracle Corporation/OpenJDK 64-Bit Server VM/1.8.0_131/25.131-b11]
[2017-11-08T03:15:54,736][INFO ][o.e.n.Node ] [prod_es_node1] JVM arguments [-Xms2g, -Xmx2g, -XX:+UseConcMarkSweepGC, -XX:CMSIn
itiatingOccupancyFraction=75, -XX:+UseCMSInitiatingOccupancyOnly, -XX:+DisableExplicitGC, -XX:+AlwaysPreTouch, -Xss1m, -Djava.awt.headless=tr
ue, -Dfile.encoding=UTF-8, -Djna.nosys=true, -Djdk.io.permissionsUseCanonicalPath=true, -Dio.netty.noUnsafe=true, -Dio.netty.noKeySetOptimiza
tion=true, -Dio.netty.recycler.maxCapacityPerThread=0, -Dlog4j.shutdownHookEnabled=false, -Dlog4j2.disable.jmx=true, -Dlog4j.skipJansi=true,
-XX:+HeapDumpOnOutOfMemoryError, -Xms1g, -Xmx1g, -Des.path.home=/usr/share/elasticsearch]
[2017-11-08T03:15:55,542][INFO ][o.e.p.PluginsService ] [prod_es_node1] loaded module [aggs-matrix-stats]
[2017-11-08T03:15:55,542][INFO ][o.e.p.PluginsService ] [prod_es_node1] loaded module [ingest-common]
[2017-11-08T03:15:55,542][INFO ][o.e.p.PluginsService ] [prod_es_node1] loaded module [lang-expression]
[2017-11-08T03:15:55,542][INFO ][o.e.p.PluginsService ] [prod_es_node1] loaded module [lang-groovy]
[2017-11-08T03:15:55,542][INFO ][o.e.p.PluginsService ] [prod_es_node1] loaded module [lang-mustache]
[2017-11-08T03:15:55,542][INFO ][o.e.p.PluginsService ] [prod_es_node1] loaded module [lang-painless]
[2017-11-08T03:15:55,542][INFO ][o.e.p.PluginsService ] [prod_es_node1] loaded module [percolator]
[2017-11-08T03:15:55,542][INFO ][o.e.p.PluginsService ] [prod_es_node1] loaded module [reindex]
[2017-11-08T03:15:55,543][INFO ][o.e.p.PluginsService ] [prod_es_node1] loaded module [transport-netty3]
[2017-11-08T03:15:55,543][INFO ][o.e.p.PluginsService ] [prod_es_node1] loaded module [transport-netty4]
[2017-11-08T03:15:55,543][INFO ][o.e.p.PluginsService ] [prod_es_node1] no plugins loaded
[2017-11-08T03:15:56,851][INFO ][o.e.d.DiscoveryModule ] [prod_es_node1] using discovery type [zen]
[2017-11-08T03:15:57,289][INFO ][o.e.n.Node ] [prod_es_node1] initialized
[2017-11-08T03:15:57,289][INFO ][o.e.n.Node ] [prod_es_node1] starting ...
[2017-11-08T03:15:57,419][INFO ][o.e.t.TransportService ] [prod_es_node1] publish_address {172.24.0.2:9300}, bound_addresses {[::]:9300}
[2017-11-08T03:15:57,425][INFO ][o.e.b.BootstrapChecks ] [prod_es_node1] bound or publishing to a non-loopback or non-link-local address,
enforcing bootstrap checks
[2017-11-08T03:16:07,490][INFO ][o.e.c.s.ClusterService ] [prod_es_node1] new_master {prod_es_node1}{e7k9AdUIQkeCWIRifMOW9w}{ja48giATT-m8HN
kUEDdBzQ}{172.24.0.2}{172.24.0.2:9300}, reason: zen-disco-elected-as-master ([0] nodes joined)
[2017-11-08T03:16:07,507][INFO ][o.e.h.n.Netty4HttpServerTransport] [prod_es_node1] publish_address {172.24.0.2:9200}, bound_addresses {[::]:
9200}
[2017-11-08T03:16:07,510][INFO ][o.e.n.Node ] [prod_es_node1] started
[2017-11-08T03:16:07,514][INFO ][o.e.g.GatewayService ] [prod_es_node1] recovered [0] indices into cluster_state

3 
ES2:

[2017-11-08T03:16:25,279][INFO ][o.e.n.Node ] [prod_es_node2] initializing ...
[2017-11-08T03:16:25,345][INFO ][o.e.e.NodeEnvironment ] [prod_es_node2] using [1] data paths, mounts [[/ (rootfs)]], net usable_space [9.
6gb], net total_space [9.9gb], spins? [unknown], types [rootfs]
[2017-11-08T03:16:25,345][INFO ][o.e.e.NodeEnvironment ] [prod_es_node2] heap size [990.7mb], compressed ordinary object pointers [true]
[2017-11-08T03:16:25,346][INFO ][o.e.n.Node ] [prod_es_node2] node name [prod_es_node2], node ID [KpS2TUq7Q5m2k1sONaD5zQ]
[2017-11-08T03:16:25,346][INFO ][o.e.n.Node ] [prod_es_node2] version[5.4.2], pid[1], build[929b078/2017-06-15T02:29:28.122Z],
OS[Linux/3.10.0-327.4.4.el7.x86_64/amd64], JVM[Oracle Corporation/OpenJDK 64-Bit Server VM/1.8.0_131/25.131-b11]
[2017-11-08T03:16:25,346][INFO ][o.e.n.Node ] [prod_es_node2] JVM arguments [-Xms2g, -Xmx2g, -XX:+UseConcMarkSweepGC, -XX:CMSIn
itiatingOccupancyFraction=75, -XX:+UseCMSInitiatingOccupancyOnly, -XX:+DisableExplicitGC, -XX:+AlwaysPreTouch, -Xss1m, -Djava.awt.headless=tr
ue, -Dfile.encoding=UTF-8, -Djna.nosys=true, -Djdk.io.permissionsUseCanonicalPath=true, -Dio.netty.noUnsafe=true, -Dio.netty.noKeySetOptimiza
tion=true, -Dio.netty.recycler.maxCapacityPerThread=0, -Dlog4j.shutdownHookEnabled=false, -Dlog4j2.disable.jmx=true, -Dlog4j.skipJansi=true,
-XX:+HeapDumpOnOutOfMemoryError, -Xms1g, -Xmx1g, -Des.path.home=/usr/share/elasticsearch]
[2017-11-08T03:16:26,100][INFO ][o.e.p.PluginsService ] [prod_es_node2] loaded module [aggs-matrix-stats]
[2017-11-08T03:16:26,100][INFO ][o.e.p.PluginsService ] [prod_es_node2] loaded module [ingest-common]
[2017-11-08T03:16:26,100][INFO ][o.e.p.PluginsService ] [prod_es_node2] loaded module [lang-expression]
[2017-11-08T03:16:26,100][INFO ][o.e.p.PluginsService ] [prod_es_node2] loaded module [lang-groovy]
[2017-11-08T03:16:26,101][INFO ][o.e.p.PluginsService ] [prod_es_node2] loaded module [lang-mustache]
[2017-11-08T03:16:26,101][INFO ][o.e.p.PluginsService ] [prod_es_node2] loaded module [lang-painless]
[2017-11-08T03:16:26,101][INFO ][o.e.p.PluginsService ] [prod_es_node2] loaded module [percolator]
[2017-11-08T03:16:26,101][INFO ][o.e.p.PluginsService ] [prod_es_node2] loaded module [reindex]
[2017-11-08T03:16:26,101][INFO ][o.e.p.PluginsService ] [prod_es_node2] loaded module [transport-netty3]
[2017-11-08T03:16:26,101][INFO ][o.e.p.PluginsService ] [prod_es_node2] loaded module [transport-netty4]
[2017-11-08T03:16:26,101][INFO ][o.e.p.PluginsService ] [prod_es_node2] no plugins loaded
[2017-11-08T03:16:27,379][INFO ][o.e.d.DiscoveryModule ] [prod_es_node2] using discovery type [zen]
[2017-11-08T03:16:27,811][INFO ][o.e.n.Node ] [prod_es_node2] initialized
[2017-11-08T03:16:27,811][INFO ][o.e.n.Node ] [prod_es_node2] starting ...
[2017-11-08T03:16:27,940][INFO ][o.e.t.TransportService ] [prod_es_node2] publish_address {172.21.0.2:9300}, bound_addresses {[::]:9300}
[2017-11-08T03:16:27,946][INFO ][o.e.b.BootstrapChecks ] [prod_es_node2] bound or publishing to a non-loopback or non-link-local address,
enforcing bootstrap checks
[2017-11-08T03:16:37,986][INFO ][o.e.c.s.ClusterService ] [prod_es_node2] new_master {prod_es_node2}{KpS2TUq7Q5m2k1sONaD5zQ}{RtjqOsnjTlSvg4
sjqoJWJQ}{172.21.0.2}{172.21.0.2:9300}, reason: zen-disco-elected-as-master ([0] nodes joined)
[2017-11-08T03:16:38,006][INFO ][o.e.h.n.Netty4HttpServerTransport] [prod_es_node2] publish_address {172.21.0.2:9200}, bound_addresses {[::]:
9200}
[2017-11-08T03:16:38,009][INFO ][o.e.n.Node ] [prod_es_node2] started
[2017-11-08T03:16:38,016][INFO ][o.e.g.GatewayService ] [prod_es_node2] recovered [0] indices into cluster_state

4

Does https://www.elastic.co/guide/en/elasticsearch/reference/current/docker.html#docker-prod-cluster-composefile help?

5

Hi warkolm,

The example looks like in same physical machine, running one docker compose file and create two container.

Networking should be fine.

But in my case, like this

cluster
cluster.png1016×601 16.4 KB

How to configure the networking, that elasticsearch cluster can be connected each other.

Thank you :smiley:

6

Ok, let's look at docker-compose.yml:

version: '2'
services:
  elasticsearch:
    image: elasticsearch:5.4.2
    hostname: es2
    container_name: es2
    user: elasticsearch
    ports:
    - 9200:9200
    - 9300:9300/udp
    environment:
      ES_JAVA_OPTS: "-Xms1g -Xmx1g"
    command: /usr/share/elasticsearch/bin/elasticsearch

The main problem with this is - 9300:9300/udp. Elasticsearch discovery uses TCP and you are only allowing UDP. Removed /udp and you should get everything working.

A few other tips for your elasticsearch.yml, all you need is:

cluster.name: prod_es_cluster
node.name: prod_es_node2
network.host: 0.0.0.0
discovery.zen.ping.unicast.hosts: ["10.251.34.50","10.251.34.60"]

Everything else you have defined is the defaults, so you don't need to provide them.

Also discovery.zen.minimum_master_nodes: 1 is bad, see https://www.elastic.co/guide/en/elasticsearch/guide/2.x/important-configuration-changes.html#_minimum_master_nodes

Finally, you should 100% be using our docker image here - https://github.com/elastic/elasticsearch-docker. We keep it up to date and apply evolving best practises :slight_smile:

7

Hi warkolm,

Now I removed /udp config.

docker image is using elasticsearch:5.4.2 but export from other testing docker machine, then import this server

so named es:542

docker-compose.yml like this

version: '2'

services:
  elasticsearch:
	image: es:542
    hostname: es2
    container_name: es2
    user: elasticsearch
    ports:
    - 9200:9200
    - 9300:9300
    command: /usr/share/elasticsearch/bin/elasticsearch
    environment:
    - ES_JAVA_OPTS=-Xms1g -Xmx1g

change elasticsearch.yml like this discovery.zen.minimum_master_nodes: 2

http.host: 0.0.0.0
transport.host: 0.0.0.0
discovery.zen.minimum_master_nodes: 2

cluster.name: prod_es_cluster
node.name: prod_es_node1
node.master: true
node.data: true
discovery.zen.ping_timeout: 10s

network.host: 0.0.0.0
network.bind_host: 0.0.0.0
network.publish_host: 0.0.0.0
transport.tcp.port: 9300
discovery.zen.ping.unicast.hosts: ["127.0.0.1", "[::1]"]

and the log:

[2017-11-09T03:49:09,261][INFO ][o.e.t.TransportService ] [prod_es_node1] publish_address {172.24.0.2:9300}, bound_addresses {[::]:9300}
[2017-11-09T03:49:09,270][INFO ][o.e.b.BootstrapChecks ] [prod_es_node1] bound or publishing to a non-loopback or non-link-local address,e
nforcing bootstrap checks
[2017-11-09T03:49:19,319][WARN ][o.e.d.z.ZenDiscovery ] [prod_es_node1] not enough master nodes discovered during pinging (found [[Candid
ate{node={prod_es_node1}{BxKzhOnJTUC50cYTz_HmfA}{nISnloDKQBul5sVdPd5m_Q}{172.24.0.2}{172.24.0.2:9300}, clusterStateVersion=-1}]], but needed[
2]), pinging again
[2017-11-09T03:49:29,321][WARN ][o.e.d.z.ZenDiscovery ] [prod_es_node1] not enough master nodes discovered during pinging (found [[Candid
ate{node={prod_es_node1}{BxKzhOnJTUC50cYTz_HmfA}{nISnloDKQBul5sVdPd5m_Q}{172.24.0.2}{172.24.0.2:9300}, clusterStateVersion=-1}]], but needed[
2]), pinging again
[2017-11-09T03:49:39,297][WARN ][o.e.n.Node ] [prod_es_node1] timed out while waiting for initial discovery state - timeout: 30
s
[2017-11-09T03:49:39,307][INFO ][o.e.h.n.Netty4HttpServerTransport] [prod_es_node1] publish_address {172.24.0.2:9200}, bound_addresses {[::]:
9200}
[2017-11-09T03:49:39,310][INFO ][o.e.n.Node ] [prod_es_node1] started
[2017-11-09T03:49:39,323][WARN ][o.e.d.z.ZenDiscovery ] [prod_es_node1] not enough master nodes discovered during pinging (found [[Candid
ate{node={prod_es_node1}{BxKzhOnJTUC50cYTz_HmfA}{nISnloDKQBul5sVdPd5m_Q}{172.24.0.2}{172.24.0.2:9300}, clusterStateVersion=-1}]], but needed[
2]), pinging again

it still doesn't connected each other :disappointed_relieved:

8

That's only ever going to connect to itself.

9

now elasticsearh.yml is

http.host: 0.0.0.0
transport.host: 0.0.0.0
discovery.zen.minimum_master_nodes: 2

cluster.name: prod_es_cluster
node.name: prod_es_node1
node.master: true
node.data: true
discovery.zen.ping_timeout: 10s

network.host: 0.0.0.0
network.bind_host: 0.0.0.0
network.publish_host: 0.0.0.0
transport.tcp.port: 9300
discovery.zen.ping.unicast.hosts: ["10.251.34.50","10.251.34.60"]

and logs

ES1

[2017-11-09T05:56:10,552][INFO ][o.e.t.TransportService ] [prod_es_node1] publish_address {172.24.0.2:9300}, bound_addresses {[::]:9300}
[2017-11-09T05:56:10,558][INFO ][o.e.b.BootstrapChecks ] [prod_es_node1] bound or publishing to a non-loopback or non-link-local address,enforcing bootstrap checks
[2017-11-09T05:56:40,576][WARN ][o.e.n.Node ][prod_es_node1] timed out while waiting for initial discovery state - timeout: 30s
[2017-11-09T05:56:40,584][INFO ][o.e.h.n.Netty4HttpServerTransport] [prod_es_node1] publish_address {172.24.0.2:9200}, bound_addresses {[::]:9200}
[2017-11-09T05:56:40,587][INFO ][o.e.n.Node ] [prod_es_node1] started

ES2

[2017-11-09T09:37:20,084][WARN ][o.e.d.z.ZenDiscovery ] [prod_es_node2]failed to connect to master [{prod_es_node1}{BxKzhOnJTUC50cYTz_Hm fA}{zqtU07jfQJOrmB9AYL01Ig}{172.24.0.2}{172.24.0.2:9300}], retrying...
org.elasticsearch.transport.ConnectTransportException:[prod_es_node1][172.24.0.2:9300] connect_timeout[30s]
at org.elasticsearch.transport.netty4.Netty4Transport.connectToChannels(Netty4Transport.java:361) ~[?:?]
at org.elasticsearch.transport.TcpTransport.openConnection(TcpTransport.java:549) ~[elasticsearch-5.4.2.jar:5.4.2]
at org.elasticsearch.transport.TcpTransport.connectToNode(TcpTransport.java:473) ~[elasticsearch-5.4.2.jar:5.4.2]
at org.elasticsearch.transport.TransportService.connectToNode(TransportService.java:315) ~[elasticsearch-5.4.2.jar:5.4.2]
at org.elasticsearch.transport.TransportService.connectToNode(TransportService.java:302) ~[elasticsearch-5.4.2.jar:5.4.2]
at org.elasticsearch.discovery.zen.ZenDiscovery.joinElectedMaster(ZenDiscovery.java:468) [elasticsearch-5.4.2.jar:5.4.2]
at org.elasticsearch.discovery.zen.ZenDiscovery.innerJoinCluster(ZenDiscovery.java:420) [elasticsearch-5.4.2.jar:5.4.2]
at org.elasticsearch.discovery.zen.ZenDiscovery.access$4100(ZenDiscovery.java:83) [elasticsearch-5.4.2.jar:5.4.2]
at org.elasticsearch.discovery.zen.ZenDiscovery$JoinThreadControl$1.run(ZenDiscovery.java:1197) [elasticsearch-5.4.2.jar:5.4.2]
at org.elasticsearch.common.util.concurrent.ThreadContext$ContextPreservingRunnable.run(ThreadContext.java:569) [elasticsearch-5.4.2.
jar:5.4.2]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [?:1.8.0_131]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [?:1.8.0_131]
at java.lang.Thread.run(Thread.java:748) [?:1.8.0_131]
Caused by: io.netty.channel.AbstractChannel$AnnotatedConnectException:Connection refused: 172.24.0.2/172.24.0.2:9300
at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) ~[?:?]

10

Now I use openvswitch and pipework to build cluster network

ovs setting:

#ES1
sudo brctl addbr br0
sudo ip link set dev br0 up
sudo ovs-vsctl add-br ovs0
sudo ovs-vsctl set bridge ovs0 stp_enable=true
sudo ovs-vsctl add-port ovs0 br0
sudo ovs-vsctl add-port ovs0 gre0 -- set interface gre0 type=gre options:remote_ip=10.251.34.50

pipwork setting:

sudo pipework-master/pipework br0 -i eth1 es1 172.28.0.2/8

docker container network information:

elasticsearch@es1:/usr/share/elasticsearch$ ip a

521: eth1@if522: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
link/ether 4e:06:91:91:1f:3e brd ff:ff:ff:ff:ff:ff
inet 172.28.0.2/8 brd 172.255.255.255 scope global eth1
valid_lft forever preferred_lft forever

after setting both two docker container, cluster should be work !!

ES1

elasticsearch@es1:/usr/share/elasticsearch$ ping 172.18.0.2
PING 172.18.0.2 (172.18.0.2): 56 data bytes
64 bytes from 172.18.0.2: icmp_seq=0 ttl=64 time=1.222 ms
64 bytes from 172.18.0.2: icmp_seq=1 ttl=64 time=0.339 ms
64 bytes from 172.18.0.2: icmp_seq=2 ttl=64 time=0.547 ms
64 bytes from 172.18.0.2: icmp_seq=3 ttl=64 time=0.303 ms
64 bytes from 172.18.0.2: icmp_seq=4 ttl=64 time=0.333 ms
64 bytes from 172.18.0.2: icmp_seq=5 ttl=64 time=0.362 ms

#ES logs:
[2017-11-17T02:06:21,205][INFO ][o.e.n.Node ] [prod_es_node1] started
[2017-11-17T02:06:21,223][INFO ][o.e.c.s.ClusterService ] [prod_es_node1] new_master {prod_es_node1}{IoG7C5BYQ26AYsggMuJo2A}{AL3oD0itR1CgibIr-x-8Sg}{172.28.0.2}{172.28.0.2:9300}, reason: zen-disco-elected-as-master ([0] nodes joined)
[2017-11-17T02:06:21,254][INFO ][o.e.g.GatewayService ] [prod_es_node1] recovered [0] indices into cluster_state
[2017-11-17T02:06:29,205][INFO ][o.e.c.s.ClusterService ] [prod_es_node1] added {{prod_es_node2}{ZA7CwKyBQS2gm-OamVSz2g}{U6WQyzwoQCiDkwBvmUxoQw}{172.18.0.2}{172.18.0.2:9300},}, reason: zen-disco-node-join[{prod_es_node2}{ZA7CwKyBQS2gm-OamVSz2g}{U6WQyzwoQCiDkwBvmUxoQw}{172.18.0.2}{172.18.0.2:9300}]

curl localhost:9200/_cluster/health?pretty
{
"cluster_name" : "prod_es_cluster",
"status" : "green",
"timed_out" : false,
"number_of_nodes" : 2,
"number_of_data_nodes" : 2,
"active_primary_shards" : 0,
"active_shards" : 0,
"relocating_shards" : 0,
"initializing_shards" : 0,
"unassigned_shards" : 0,
"delayed_unassigned_shards" : 0,
"number_of_pending_tasks" : 0,
"number_of_in_flight_fetch" : 0,
"task_max_waiting_in_queue_millis" : 0,
"active_shards_percent_as_number" : 100.0
}

11

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