将环境从独立群集迁移到纱线EMR群集后，长时间运行作业后，使用flink cli命令后，我一直遇到问题。在CLI上运行flink list会引发异常：
> bin/flink list
SLF4J: Class path contains multiple SLF4J bindings.
SLF4J: Found binding in [jar:file:/home/hadoop/flink-1.6.0/lib/slf4j-log4j12-1.7.7.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: Found binding in [jar:file:/usr/lib/hadoop/lib/slf4j-log4j12-1.7.10.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation.
SLF4J: Actual binding is of type [org.slf4j.impl.Log4jLoggerFactory]
Waiting for response...
------------------------------------------------------------
The program finished with the following exception:
org.apache.flink.util.FlinkException: Failed to retrieve job list.
at org.apache.flink.client.cli.CliFrontend.listJobs(CliFrontend.java:438)
at org.apache.flink.client.cli.CliFrontend.lambda$list$0(CliFrontend.java:420)
at org.apache.flink.client.cli.CliFrontend.runClusterAction(CliFrontend.java:979)
at org.apache.flink.client.cli.CliFrontend.list(CliFrontend.java:417)
at org.apache.flink.client.cli.CliFrontend.parseParameters(CliFrontend.java:1047)
at org.apache.flink.client.cli.CliFrontend.lambda$main$11(CliFrontend.java:1120)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:422)
at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1836)
at org.apache.flink.runtime.security.HadoopSecurityContext.runSecured(HadoopSecurityContext.java:41)
at org.apache.flink.client.cli.CliFrontend.main(CliFrontend.java:1120)
Caused by: org.apache.flink.runtime.concurrent.FutureUtils$RetryException: Could not complete the operation. Number of retries has been exhausted.
at org.apache.flink.runtime.concurrent.FutureUtils.lambda$retryOperationWithDelay$5(FutureUtils.java:213)
at java.util.concurrent.CompletableFuture.uniWhenComplete(CompletableFuture.java:760)
at java.util.concurrent.CompletableFuture$UniWhenComplete.tryFire(CompletableFuture.java:736)
at java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:474)
at java.util.concurrent.CompletableFuture.completeExceptionally(CompletableFuture.java:1977)
at org.apache.flink.runtime.rest.RestClient.lambda$submitRequest$1(RestClient.java:276)
at org.apache.flink.shaded.netty4.io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:511)
at org.apache.flink.shaded.netty4.io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:504)
at org.apache.flink.shaded.netty4.io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:483)
at org.apache.flink.shaded.netty4.io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:424)
at org.apache.flink.shaded.netty4.io.netty.util.concurrent.DefaultPromise.tryFailure(DefaultPromise.java:121)
at org.apache.flink.shaded.netty4.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.fulfillConnectPromise(AbstractNioChannel.java:327)
at org.apache.flink.shaded.netty4.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:343)
at org.apache.flink.shaded.netty4.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:633)
at org.apache.flink.shaded.netty4.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:580)
at org.apache.flink.shaded.netty4.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:497)
at org.apache.flink.shaded.netty4.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:459)
at org.apache.flink.shaded.netty4.io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:884)
at org.apache.flink.shaded.netty4.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.util.concurrent.CompletionException: org.apache.flink.shaded.netty4.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: localhost/127.0.0.1:8081
at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:292)
at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:308)
at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:943)
at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926)
... 17 more
Caused by: org.apache.flink.shaded.netty4.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: localhost/127.0.0.1:8081
at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:717)
at org.apache.flink.shaded.netty4.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:325)
at org.apache.flink.shaded.netty4.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:340)
... 7 more
Caused by: java.net.ConnectException: Connection refused
... 11 more
工作本身以及纱线似乎都很好，那里没有问题。我不确定这种情况发生的时间，我有一些作业运行了一周左右，没有任何问题，但是通常在2周以上之后，有时会发生异常。我当前正在运行1.6.0版。
我不确定日志在这种情况下是否会有用，但是很乐意提供任何我能解决的问题。
谢谢
更新日志：
018-11-28 17:01:52,368 INFO org.apache.flink.client.cli.CliFrontend - --------------------------------------------------------------------------------
2018-11-28 17:01:52,369 INFO org.apache.flink.client.cli.CliFrontend - Starting Command Line Client (Version: 1.6.0, Rev:ff472b4, Date:07.08.2018 @ 13:31:13 UTC)
2018-11-28 17:01:52,369 INFO org.apache.flink.client.cli.CliFrontend - OS current user: hadoop
2018-11-28 17:01:52,790 INFO org.apache.flink.client.cli.CliFrontend - Current Hadoop/Kerberos user: hadoop
2018-11-28 17:01:52,790 INFO org.apache.flink.client.cli.CliFrontend - JVM: OpenJDK 64-Bit Server VM - Oracle Corporation - 1.8/25.181-b13
2018-11-28 17:01:52,790 INFO org.apache.flink.client.cli.CliFrontend - Maximum heap size: 7150 MiBytes
2018-11-28 17:01:52,790 INFO org.apache.flink.client.cli.CliFrontend - JAVA_HOME: /etc/alternatives/jre
2018-11-28 17:01:52,792 INFO org.apache.flink.client.cli.CliFrontend - Hadoop version: 2.8.3
2018-11-28 17:01:52,792 INFO org.apache.flink.client.cli.CliFrontend - JVM Options:
2018-11-28 17:01:52,792 INFO org.apache.flink.client.cli.CliFrontend - -Dlog.file=/home/hadoop/flink-1.6.0/log/flink-hadoop-client.log
2018-11-28 17:01:52,792 INFO org.apache.flink.client.cli.CliFrontend - -Dlog4j.configuration=file:/home/hadoop/flink-1.6.0/conf/log4j-cli.properties
2018-11-28 17:01:52,792 INFO org.apache.flink.client.cli.CliFrontend - -Dlogback.configurationFile=file:/home/hadoop/flink-1.6.0/conf/logback.xml
2018-11-28 17:01:52,792 INFO org.apache.flink.client.cli.CliFrontend - Program Arguments:
2018-11-28 17:01:52,792 INFO org.apache.flink.client.cli.CliFrontend - list
2018-11-28 17:01:52,794 INFO org.apache.flink.client.cli.CliFrontend - --------------------------------------------------------------------------------
2018-11-28 17:01:52,797 INFO org.apache.flink.configuration.GlobalConfiguration - Loading configuration property: jobmanager.rpc.address, localhost
2018-11-28 17:01:52,797 INFO org.apache.flink.configuration.GlobalConfiguration - Loading configuration property: jobmanager.rpc.port, 6123
2018-11-28 17:01:52,797 INFO org.apache.flink.configuration.GlobalConfiguration - Loading configuration property: jobmanager.heap.size, 20480m
2018-11-28 17:01:52,797 INFO org.apache.flink.configuration.GlobalConfiguration - Loading configuration property: taskmanager.heap.size, 20480m
2018-11-28 17:01:52,797 INFO org.apache.flink.configuration.GlobalConfiguration - Loading configuration property: taskmanager.memory.fraction, 0.9
2018-11-28 17:01:52,797 INFO org.apache.flink.configuration.GlobalConfiguration - Loading configuration property: taskmanager.numberOfTaskSlots, 1
2018-11-28 17:01:52,797 INFO org.apache.flink.configuration.GlobalConfiguration - Loading configuration property: parallelism.default, 1
2018-11-28 17:01:52,798 INFO org.apache.flink.configuration.GlobalConfiguration - Loading configuration property: state.backend, rocksdb
2018-11-28 17:01:52,798 INFO org.apache.flink.configuration.GlobalConfiguration - Loading configuration property: state.backend.fs.checkpointdir, s3://bucket/checkpoint
2018-11-28 17:01:52,798 INFO org.apache.flink.configuration.GlobalConfiguration - Loading configuration property: state.checkpoints.dir, s3://bucket/checkpoint
2018-11-28 17:01:52,798 INFO org.apache.flink.configuration.GlobalConfiguration - Loading configuration property: rest.port, 8081
2018-11-28 17:01:52,798 INFO org.apache.flink.configuration.GlobalConfiguration - Loading configuration property: web.timeout, 60000
2018-11-28 17:01:52,798 INFO org.apache.flink.configuration.GlobalConfiguration - Loading configuration property: akka.ask.timeout, 60s
2018-11-28 17:01:53,029 INFO org.apache.flink.runtime.security.modules.HadoopModule - Hadoop user set to hadoop (auth:SIMPLE)
2018-11-28 17:01:53,051 INFO org.apache.flink.client.cli.CliFrontend - Running 'list' command.
2018-11-28 17:01:53,082 WARN org.apache.flink.configuration.Configuration - Config uses deprecated configuration key 'jobmanager.rpc.address' instead of proper key 'rest.address'
2018-11-28 17:01:53,256 INFO org.apache.flink.runtime.rest.RestClient - Rest client endpoint started.
2018-11-28 17:01:53,418 INFO org.apache.flink.client.cli.CliFrontend - Waiting for response...
2018-11-28 17:02:53,492 INFO org.apache.flink.runtime.rest.RestClient - Shutting down rest endpoint.
2018-11-28 17:02:53,493 INFO org.apache.flink.runtime.rest.RestClient - Rest endpoint shutdown complete.
2018-11-28 17:02:53,495 ERROR org.apache.flink.client.cli.CliFrontend - Error while running the command.
org.apache.flink.util.FlinkException: Failed to retrieve job list.
at org.apache.flink.client.cli.CliFrontend.listJobs(CliFrontend.java:438)
at org.apache.flink.client.cli.CliFrontend.lambda$list$0(CliFrontend.java:420)
at org.apache.flink.client.cli.CliFrontend.runClusterAction(CliFrontend.java:979)
at org.apache.flink.client.cli.CliFrontend.list(CliFrontend.java:417)
at org.apache.flink.client.cli.CliFrontend.parseParameters(CliFrontend.java:1047)
at org.apache.flink.client.cli.CliFrontend.lambda$main$11(CliFrontend.java:1120)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:422)
at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1836)
at org.apache.flink.runtime.security.HadoopSecurityContext.runSecured(HadoopSecurityContext.java:41)
at org.apache.flink.client.cli.CliFrontend.main(CliFrontend.java:1120)
Caused by: org.apache.flink.runtime.concurrent.FutureUtils$RetryException: Could not complete the operation. Number of retries has been exhausted.
at org.apache.flink.runtime.concurrent.FutureUtils.lambda$retryOperationWithDelay$5(FutureUtils.java:213)
at java.util.concurrent.CompletableFuture.uniWhenComplete(CompletableFuture.java:760)
at java.util.concurrent.CompletableFuture$UniWhenComplete.tryFire(CompletableFuture.java:736)
at java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:474)
at java.util.concurrent.CompletableFuture.completeExceptionally(CompletableFuture.java:1977)
at org.apache.flink.runtime.rest.RestClient.lambda$submitRequest$1(RestClient.java:276)
at org.apache.flink.shaded.netty4.io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:511)
at org.apache.flink.shaded.netty4.io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:504)
at org.apache.flink.shaded.netty4.io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:483)
at org.apache.flink.shaded.netty4.io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:424)
at org.apache.flink.shaded.netty4.io.netty.util.concurrent.DefaultPromise.tryFailure(DefaultPromise.java:121)
at org.apache.flink.shaded.netty4.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.fulfillConnectPromise(AbstractNioChannel.java:327)
at org.apache.flink.shaded.netty4.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:343)
at org.apache.flink.shaded.netty4.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:633)
at org.apache.flink.shaded.netty4.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:580)
at org.apache.flink.shaded.netty4.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:497)
at org.apache.flink.shaded.netty4.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:459)
at org.apache.flink.shaded.netty4.io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:884)
at org.apache.flink.shaded.netty4.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.util.concurrent.CompletionException: org.apache.flink.shaded.netty4.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: localhost/127.0.0.1:8081
at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:292)
at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:308)
at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:943)
at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926)
... 17 more
Caused by: org.apache.flink.shaded.netty4.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: localhost/127.0.0.1:8081
at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:717)
at org.apache.flink.shaded.netty4.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:325)
at org.apache.flink.shaded.netty4.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:340)
... 7 more
Caused by: java.net.ConnectException: Connection refused
... 11 more
Entrypoint +配置日志
Container: container_1541525872902_0001_01_000001 on compute.internal_8041
=======================================================================================================
LogType:jobmanager.log
Log Upload Time:Thu Nov 29 20:13:10 +0000 2018
LogLength:12837590
Log Contents:
2018-11-06 18:26:25,585 INFO org.apache.flink.runtime.entrypoint.ClusterEntrypoint - --------------------------------------------------------------------------------
2018-11-06 18:26:25,586 INFO org.apache.flink.runtime.entrypoint.ClusterEntrypoint - Starting YarnSessionClusterEntrypoint (Version: 1.6.0, Rev:ff472b4, Date:07.08.2018 @ 13:31:13 UTC)
2018-11-06 18:26:25,586 INFO org.apache.flink.runtime.entrypoint.ClusterEntrypoint - OS current user: yarn
2018-11-06 18:26:26,007 INFO org.apache.flink.runtime.entrypoint.ClusterEntrypoint - Current Hadoop/Kerberos user: hadoop
2018-11-06 18:26:26,007 INFO org.apache.flink.runtime.entrypoint.ClusterEntrypoint - JVM: OpenJDK 64-Bit Server VM - Oracle Corporation - 1.8/25.181-b13
2018-11-06 18:26:26,007 INFO org.apache.flink.runtime.entrypoint.ClusterEntrypoint - Maximum heap size: 13653 MiBytes
2018-11-06 18:26:26,007 INFO org.apache.flink.runtime.entrypoint.ClusterEntrypoint - JAVA_HOME: /usr/lib/jvm/java-openjdk
2018-11-06 18:26:26,008 INFO org.apache.flink.runtime.entrypoint.ClusterEntrypoint - Hadoop version: 2.8.3
2018-11-06 18:26:26,008 INFO org.apache.flink.runtime.entrypoint.ClusterEntrypoint - JVM Options:
2018-11-06 18:26:26,008 INFO org.apache.flink.runtime.entrypoint.ClusterEntrypoint - -Xmx15360m
2018-11-06 18:26:26,008 INFO org.apache.flink.runtime.entrypoint.ClusterEntrypoint - -Dlog.file=/var/log/hadoop-yarn/containers/application_1541525872902_0001/container_1541525872902_0001_01_000001/jobmanager.log
2018-11-06 18:26:26,008 INFO org.apache.flink.runtime.entrypoint.ClusterEntrypoint - -Dlogback.configurationFile=file:logback.xml
2018-11-06 18:26:26,008 INFO org.apache.flink.runtime.entrypoint.ClusterEntrypoint - -Dlog4j.configuration=file:log4j.properties
2018-11-06 18:26:26,008 INFO org.apache.flink.runtime.entrypoint.ClusterEntrypoint - Program Arguments: (none)
2018-11-06 18:26:26,010 INFO org.apache.flink.runtime.entrypoint.ClusterEntrypoint - --------------------------------------------------------------------------------
2018-11-06 18:26:26,011 INFO org.apache.flink.runtime.entrypoint.ClusterEntrypoint - Registered UNIX signal handlers for [TERM, HUP, INT]
2018-11-06 18:26:26,013 INFO org.apache.flink.runtime.entrypoint.ClusterEntrypoint - YARN daemon is running as: hadoop Yarn client user obtainer: hadoop
2018-11-06 18:26:26,015 INFO org.apache.flink.configuration.GlobalConfiguration - Loading configuration property: state.backend.fs.checkpointdir, s3://bucket/checkpoint
2018-11-06 18:26:26,016 INFO org.apache.flink.configuration.GlobalConfiguration - Loading configuration property: web.timeout, 60000
2018-11-06 18:26:26,016 INFO org.apache.flink.configuration.GlobalConfiguration - Loading configuration property: high-availability.cluster-id, application_1541525872902_0001
2018-11-06 18:26:26,016 INFO org.apache.flink.configuration.GlobalConfiguration - Loading configuration property: jobmanager.rpc.address, localhost
2018-11-06 18:26:26,016 INFO org.apache.flink.configuration.GlobalConfiguration - Loading configuration property: jobmanager.rpc.port, 6123
2018-11-06 18:26:26,016 INFO org.apache.flink.configuration.GlobalConfiguration - Loading configuration property: rest.port, 8081
2018-11-06 18:26:26,016 INFO org.apache.flink.configuration.GlobalConfiguration - Loading configuration property: internal.cluster.execution-mode, NORMAL
2018-11-06 18:26:26,016 INFO org.apache.flink.configuration.GlobalConfiguration - Loading configuration property: taskmanager.memory.fraction, 0.9
2018-11-06 18:26:26,016 INFO org.apache.flink.configuration.GlobalConfiguration - Loading configuration property: parallelism.default, 1
2018-11-06 18:26:26,016 INFO org.apache.flink.configuration.GlobalConfiguration - Loading configuration property: taskmanager.numberOfTaskSlots, 1
2018-11-06 18:26:26,017 INFO org.apache.flink.configuration.GlobalConfiguration - Loading configuration property: state.backend, rocksdb
2018-11-06 18:26:26,017 INFO org.apache.flink.configuration.GlobalConfiguration - Loading configuration property: akka.ask.timeout, 60s
2018-11-06 18:26:26,017 INFO org.apache.flink.configuration.GlobalConfiguration - Loading configuration property: taskmanager.heap.size, 20480m
2018-11-06 18:26:26,017 INFO org.apache.flink.configuration.GlobalConfiguration - Loading configuration property: jobmanager.heap.size, 20480m
2018-11-06 18:26:26,017 INFO org.apache.flink.configuration.GlobalConfiguration - Loading configuration property: state.checkpoints.dir, s3://bucket/checkpoint
2018-11-06 18:26:26,031 INFO org.apache.flink.runtime.clusterframework.BootstrapTools - Setting directories for temporary files to: /mnt/yarn/usercache/hadoop/appcache/application_1541525872902_0001
2018-11-06 18:26:26,046 INFO org.apache.flink.runtime.entrypoint.ClusterEntrypoint - Starting YarnSessionClusterEntrypoint.
2018-11-06 18:26:26,046 INFO org.apache.flink.runtime.entrypoint.ClusterEntrypoint - Install default filesystem.
2018-11-06 18:26:26,108 INFO org.apache.flink.runtime.security.modules.HadoopModule - Hadoop user set to hadoop (auth:SIMPLE)
2018-11-06 18:26:26,125 INFO org.apache.flink.runtime.entrypoint.ClusterEntrypoint - Initializing cluster services.
2018-11-06 18:26:26,131 INFO org.apache.flink.runtime.entrypoint.ClusterEntrypoint - Trying to start actor system at compute.internal:40607
2018-11-06 18:26:26,612 INFO akka.event.slf4j.Slf4jLogger - Slf4jLogger started
2018-11-06 18:26:26,706 INFO akka.remote.Remoting - Starting remoting
2018-11-06 18:26:26,804 INFO akka.remote.Remoting - Remoting started; listening on addresses :[akka.tcp://flink@compute.internal:40607]
2018-11-06 18:26:26,813 INFO org.apache.flink.runtime.entrypoint.ClusterEntrypoint - Actor system started at akka.tcp://flink@compute.internal:40607
2018-11-06 18:26:26,838 INFO org.apache.flink.runtime.blob.BlobServer - Created BLOB server storage directory /mnt/yarn/usercache/hadoop/appcache/application_1541525872902_0001/blobStore-b4eb7331-9ac8-4fc9-ab1f-64f6a9c8173f
2018-11-06 18:26:26,842 INFO org.apache.flink.runtime.blob.BlobServer - Started BLOB server at 0.0.0.0:32901 - max concurrent requests: 50 - max backlog: 1000
2018-11-06 18:26:26,857 INFO org.apache.flink.runtime.metrics.MetricRegistryImpl - No metrics reporter configured, no metrics will be exposed/reported.
2018-11-06 18:26:26,860 INFO org.apache.flink.runtime.dispatcher.FileArchivedExecutionGraphStore - Initializing FileArchivedExecutionGraphStore: Storage directory /mnt/yarn/usercache/hadoop/appcache/application_1541525872902_0001/executionGraphStore-0b405259-cc50-4332-93dc-847b92071699, expiration time 3600000, maximum cache size 52428800 bytes.
2018-11-29 20:13:10,717 INFO org.apache.flink.runtime.entrypoint.ClusterEntrypoint - RECEIVED SIGNAL 15: SIGTERM. Shutting down as requested.