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Merge pull request #43133 from oscerd/hazelcast-kube-3.8
Automatic merge from submit-queue (batch tested with PRs 43133, 43865) Upgrade to Hazelcast-Kubernetes 3.8 and updated docs **What this PR does / why we need it**: Upgrade to latest hazelcast-kubernetes version the example and update the docs reflecting the latest version
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@ -117,26 +117,28 @@ $ kubectl get endpoints hazelcast -o yaml
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apiVersion: v1
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kind: Endpoints
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metadata:
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creationTimestamp: 2016-12-16T08:57:27Z
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creationTimestamp: 2017-03-15T09:40:11Z
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labels:
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name: hazelcast
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name: hazelcast
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namespace: default
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resourceVersion: "11360"
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resourceVersion: "65060"
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selfLink: /api/v1/namespaces/default/endpoints/hazelcast
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uid: 46447198-70eb-11e6-940c-0800278ab84d
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uid: 62645b71-0963-11e7-b39c-080027985ce6
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subsets:
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- addresses:
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- ip: 10.244.37.2
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- ip: 172.17.0.2
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nodeName: minikube
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targetRef:
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kind: Pod
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name: hazelcast-1790698550-3heau
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name: hazelcast-4195412960-mgqtk
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namespace: default
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resourceVersion: "11359"
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uid: c9c3febd-70eb-11e6-940c-0800278ab84d
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resourceVersion: "65058"
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uid: 7043708f-0963-11e7-b39c-080027985ce6
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ports:
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- port: 5701
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protocol: TCP
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```
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You can see that the _Service_ has found the pod created by the replication controller.
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@ -151,53 +153,46 @@ Now if you list the pods in your cluster, you should see two hazelcast pods:
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```sh
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$ kubectl get deployment,pods
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NAME DESIRED CURRENT UP-TO-DATE AVAILABLE AGE
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deploy/hazelcast 2 2 2 2 1m
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deploy/hazelcast 2 2 2 2 2m
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NAME READY STATUS RESTARTS AGE
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po/hazelcast-3980717115-k1xsk 1/1 Running 0 1m
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po/hazelcast-3980717115-pbhbq 1/1 Running 0 22s
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NAME READY STATUS RESTARTS AGE
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po/hazelcast-4195412960-0tl3w 1/1 Running 0 7s
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po/hazelcast-4195412960-mgqtk 1/1 Running 0 2m
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```
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To prove that this all works, you can use the `log` command to examine the logs of one pod, for example:
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```sh
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kubectl logs -f hazelcast-39807171
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15-k1xsk
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2017-01-30 12:42:50.774 INFO 6 --- [ main] com.github.pires.hazelcast.Application : Starting Application on hazelcast-3980717115-k1xsk with PID 6 (/bootstrapper.jar started by root in /)
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2017-01-30 12:42:50.781 INFO 6 --- [ main] com.github.pires.hazelcast.Application : No active profile set, falling back to default profiles: default
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2017-01-30 12:42:50.852 INFO 6 --- [ main] s.c.a.AnnotationConfigApplicationContext : Refreshing org.springframework.context.annotation.AnnotationConfigApplicationContext@14514713: startup date [Mon Jan 30 12:42:50 GMT 2017]; root of context hierarchy
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2017-01-30 12:42:52.304 INFO 6 --- [ main] o.s.j.e.a.AnnotationMBeanExporter : Registering beans for JMX exposure on startup
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2017-01-30 12:42:52.323 INFO 6 --- [ main] c.g.p.h.HazelcastDiscoveryController : Asking k8s registry at https://kubernetes.default.svc.cluster.local..
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2017-01-30 12:42:52.857 INFO 6 --- [ main] c.g.p.h.HazelcastDiscoveryController : Found 1 pods running Hazelcast.
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2017-01-30 12:42:52.990 INFO 6 --- [ main] c.h.instance.DefaultAddressPicker : [LOCAL] [someGroup] [3.7.5] Interfaces is disabled, trying to pick one address from TCP-IP config addresses: [10.244.9.2]
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2017-01-30 12:42:52.990 INFO 6 --- [ main] c.h.instance.DefaultAddressPicker : [LOCAL] [someGroup] [3.7.5] Prefer IPv4 stack is true.
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2017-01-30 12:42:53.002 INFO 6 --- [ main] c.h.instance.DefaultAddressPicker : [LOCAL] [someGroup] [3.7.5] Picked [10.244.9.2]:5701, using socket ServerSocket[addr=/0:0:0:0:0:0:0:0,localport=5701], bind any local is true
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2017-01-30 12:42:53.032 INFO 6 --- [ main] com.hazelcast.system : [10.244.9.2]:5701 [someGroup] [3.7.5] Hazelcast 3.7.5 (20170124 - 111f332) starting at [10.244.9.2]:5701
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2017-01-30 12:42:53.032 INFO 6 --- [ main] com.hazelcast.system : [10.244.9.2]:5701 [someGroup] [3.7.5] Copyright (c) 2008-2016, Hazelcast, Inc. All Rights Reserved.
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2017-01-30 12:42:53.032 INFO 6 --- [ main] com.hazelcast.system : [10.244.9.2]:5701 [someGroup] [3.7.5] Configured Hazelcast Serialization version : 1
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2017-01-30 12:42:53.343 INFO 6 --- [ main] c.h.s.i.o.impl.BackpressureRegulator : [10.244.9.2]:5701 [someGroup] [3.7.5] Backpressure is disabled
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2017-01-30 12:42:54.273 INFO 6 --- [ main] com.hazelcast.instance.Node : [10.244.9.2]:5701 [someGroup] [3.7.5] Creating TcpIpJoiner
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2017-01-30 12:42:54.507 INFO 6 --- [ main] c.h.s.i.o.impl.OperationExecutorImpl : [10.244.9.2]:5701 [someGroup] [3.7.5] Starting 2 partition threads
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2017-01-30 12:42:54.508 INFO 6 --- [ main] c.h.s.i.o.impl.OperationExecutorImpl : [10.244.9.2]:5701 [someGroup] [3.7.5] Starting 3 generic threads (1 dedicated for priority tasks)
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2017-01-30 12:42:54.525 INFO 6 --- [ main] com.hazelcast.core.LifecycleService : [10.244.9.2]:5701 [someGroup] [3.7.5] [10.244.9.2]:5701 is STARTING
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2017-01-30 12:42:54.529 INFO 6 --- [ main] c.h.n.t.n.NonBlockingIOThreadingModel : [10.244.9.2]:5701 [someGroup] [3.7.5] TcpIpConnectionManager configured with Non Blocking IO-threading model: 3 input threads and 3 output threads
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2017-01-30 12:42:54.578 INFO 6 --- [ main] com.hazelcast.cluster.impl.TcpIpJoiner : [10.244.9.2]:5701 [someGroup] [3.7.5]
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Members [1] {
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Member [10.244.9.2]:5701 - f9cae801-59da-49d9-b8de-7719abb53844 this
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}
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2017-01-30 12:42:54.660 INFO 6 --- [ main] com.hazelcast.core.LifecycleService : [10.244.9.2]:5701 [someGroup] [3.7.5] [10.244.9.2]:5701 is STARTED
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2017-01-30 12:42:54.662 INFO 6 --- [ main] com.github.pires.hazelcast.Application : Started Application in 5.078 seconds (JVM running for 5.771)
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2017-01-30 12:44:08.780 INFO 6 --- [thread-Acceptor] c.h.nio.tcp.SocketAcceptorThread : [10.244.9.2]:5701 [someGroup] [3.7.5] Accepting socket connection from /10.244.93.3:45945
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2017-01-30 12:44:08.814 INFO 6 --- [cached.thread-1] c.h.nio.tcp.TcpIpConnectionManager : [10.244.9.2]:5701 [someGroup] [3.7.5] Established socket connection between /10.244.9.2:5701 and /10.244.93.3:45945
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2017-01-30 12:44:15.785 INFO 6 --- [ration.thread-0] c.h.internal.cluster.ClusterService : [10.244.9.2]:5701 [someGroup] [3.7.5]
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kubectl logs -f hazelcast-4195412960-0tl3w
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2017-03-15 09:42:45.046 INFO 7 --- [ main] com.github.pires.hazelcast.Application : Starting Application on hazelcast-4195412960-0tl3w with PID 7 (/bootstrapper.jar started by root in /)
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2017-03-15 09:42:45.060 INFO 7 --- [ main] com.github.pires.hazelcast.Application : No active profile set, falling back to default profiles: default
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2017-03-15 09:42:45.128 INFO 7 --- [ main] s.c.a.AnnotationConfigApplicationContext : Refreshing org.springframework.context.annotation.AnnotationConfigApplicationContext@14514713: startup date [Wed Mar 15 09:42:45 GMT 2017]; root of context hierarchy
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2017-03-15 09:42:45.989 INFO 7 --- [ main] o.s.j.e.a.AnnotationMBeanExporter : Registering beans for JMX exposure on startup
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2017-03-15 09:42:46.001 INFO 7 --- [ main] c.g.p.h.HazelcastDiscoveryController : Asking k8s registry at https://kubernetes.default.svc.cluster.local..
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2017-03-15 09:42:46.376 INFO 7 --- [ main] c.g.p.h.HazelcastDiscoveryController : Found 2 pods running Hazelcast.
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2017-03-15 09:42:46.458 INFO 7 --- [ main] c.h.instance.DefaultAddressPicker : [LOCAL] [someGroup] [3.8] Interfaces is disabled, trying to pick one address from TCP-IP config addresses: [172.17.0.6, 172.17.0.2]
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2017-03-15 09:42:46.458 INFO 7 --- [ main] c.h.instance.DefaultAddressPicker : [LOCAL] [someGroup] [3.8] Prefer IPv4 stack is true.
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2017-03-15 09:42:46.464 INFO 7 --- [ main] c.h.instance.DefaultAddressPicker : [LOCAL] [someGroup] [3.8] Picked [172.17.0.6]:5701, using socket ServerSocket[addr=/0:0:0:0:0:0:0:0,localport=5701], bind any local is true
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2017-03-15 09:42:46.484 INFO 7 --- [ main] com.hazelcast.system : [172.17.0.6]:5701 [someGroup] [3.8] Hazelcast 3.8 (20170217 - d7998b4) starting at [172.17.0.6]:5701
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2017-03-15 09:42:46.484 INFO 7 --- [ main] com.hazelcast.system : [172.17.0.6]:5701 [someGroup] [3.8] Copyright (c) 2008-2017, Hazelcast, Inc. All Rights Reserved.
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2017-03-15 09:42:46.485 INFO 7 --- [ main] com.hazelcast.system : [172.17.0.6]:5701 [someGroup] [3.8] Configured Hazelcast Serialization version : 1
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2017-03-15 09:42:46.679 INFO 7 --- [ main] c.h.s.i.o.impl.BackpressureRegulator : [172.17.0.6]:5701 [someGroup] [3.8] Backpressure is disabled
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2017-03-15 09:42:47.069 INFO 7 --- [ main] com.hazelcast.instance.Node : [172.17.0.6]:5701 [someGroup] [3.8] Creating TcpIpJoiner
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2017-03-15 09:42:47.182 INFO 7 --- [ main] c.h.s.i.o.impl.OperationExecutorImpl : [172.17.0.6]:5701 [someGroup] [3.8] Starting 2 partition threads
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2017-03-15 09:42:47.189 INFO 7 --- [ main] c.h.s.i.o.impl.OperationExecutorImpl : [172.17.0.6]:5701 [someGroup] [3.8] Starting 3 generic threads (1 dedicated for priority tasks)
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2017-03-15 09:42:47.197 INFO 7 --- [ main] com.hazelcast.core.LifecycleService : [172.17.0.6]:5701 [someGroup] [3.8] [172.17.0.6]:5701 is STARTING
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2017-03-15 09:42:47.253 INFO 7 --- [cached.thread-3] c.hazelcast.nio.tcp.InitConnectionTask : [172.17.0.6]:5701 [someGroup] [3.8] Connecting to /172.17.0.2:5701, timeout: 0, bind-any: true
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2017-03-15 09:42:47.262 INFO 7 --- [cached.thread-3] c.h.nio.tcp.TcpIpConnectionManager : [172.17.0.6]:5701 [someGroup] [3.8] Established socket connection between /172.17.0.6:58073 and /172.17.0.2:5701
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2017-03-15 09:42:54.260 INFO 7 --- [ration.thread-0] com.hazelcast.system : [172.17.0.6]:5701 [someGroup] [3.8] Cluster version set to 3.8
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2017-03-15 09:42:54.262 INFO 7 --- [ration.thread-0] c.h.internal.cluster.ClusterService : [172.17.0.6]:5701 [someGroup] [3.8]
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Members [2] {
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Member [10.244.9.2]:5701 - f9cae801-59da-49d9-b8de-7719abb53844 this
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Member [10.244.93.3]:5701 - 4e15667b-ce17-40c2-b045-abe3fb25d48b
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Member [172.17.0.2]:5701 - 170f6924-7888-442a-9875-ad4d25659a8a
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Member [172.17.0.6]:5701 - b1b82bfa-86c2-4931-af57-325c10c03b3b this
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}
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2017-03-15 09:42:56.285 INFO 7 --- [ main] com.hazelcast.core.LifecycleService : [172.17.0.6]:5701 [someGroup] [3.8] [172.17.0.6]:5701 is STARTED
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2017-03-15 09:42:56.287 INFO 7 --- [ main] com.github.pires.hazelcast.Application : Started Application in 11.831 seconds (JVM running for 12.219)
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```
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Now let's scale our cluster to 4 nodes:
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@ -210,10 +205,10 @@ Examine the status again by checking a node's logs and you should see the 4 memb
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(...)
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Members [4] {
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Member [10.244.9.2]:5701 - f9cae801-59da-49d9-b8de-7719abb53844 this
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Member [10.244.93.3]:5701 - 4e15667b-ce17-40c2-b045-abe3fb25d48b
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Member [10.244.9.3]:5701 - e0f36fa4-16bf-4009-a034-d4e7a4105003
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Member [10.244.93.4]:5701 - 7ac96b48-aa47-4410-885f-1ad0fc3690f0
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Member [172.17.0.2]:5701 - 170f6924-7888-442a-9875-ad4d25659a8a
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Member [172.17.0.6]:5701 - b1b82bfa-86c2-4931-af57-325c10c03b3b this
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Member [172.17.0.9]:5701 - 0c7530d3-1b5a-4f40-bd59-7187e43c1110
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Member [172.17.0.10]:5701 - ad5c3000-7fd0-4ce7-8194-e9b1c2ed6dda
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}
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```
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@ -12,7 +12,7 @@ spec:
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spec:
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containers:
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- name: hazelcast
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image: quay.io/pires/hazelcast-kubernetes:0.8.0
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image: quay.io/pires/hazelcast-kubernetes:3.8_1
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imagePullPolicy: Always
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env:
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- name: "DNS_DOMAIN"
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