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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-9777) YARN: JM and TM Memory must be specified with Units
Date Thu, 12 Jul 2018 12:38:00 GMT

    [ https://issues.apache.org/jira/browse/FLINK-9777?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16541563#comment-16541563
] 

ASF GitHub Bot commented on FLINK-9777:
---------------------------------------

Github user GJL commented on a diff in the pull request:

    https://github.com/apache/flink/pull/6297#discussion_r202017985
  
    --- Diff: flink-yarn/src/main/java/org/apache/flink/yarn/cli/FlinkYarnSessionCli.java
---
    @@ -386,10 +386,10 @@ private ClusterSpecification createClusterSpecification(Configuration
configurat
     		}
     
     		// JobManager Memory
    -		final int jobManagerMemoryMB = MemorySize.parse(configuration.getString(JobManagerOptions.JOB_MANAGER_HEAP_MEMORY)).getMebiBytes();
    +		final int jobManagerMemoryMB = MemorySize.parse(configuration.getString(JobManagerOptions.JOB_MANAGER_HEAP_MEMORY),
MemorySize.MemoryUnit.MEGA_BYTES).getMebiBytes();
    --- End diff --
    
    Would it hurt to add `.withDeprecatedKeys("jobmanager.heap.mb")`? In case someone does
not use the scripts to start the cluster.


> YARN: JM and TM Memory must be specified with Units 
> ----------------------------------------------------
>
>                 Key: FLINK-9777
>                 URL: https://issues.apache.org/jira/browse/FLINK-9777
>             Project: Flink
>          Issue Type: Bug
>          Components: Documentation, YARN
>    Affects Versions: 1.6.0
>         Environment: commit 9f736d1927c62d220a82931c4f5ffa4955910f27
>            Reporter: Gary Yao
>            Assignee: vinoyang
>            Priority: Blocker
>              Labels: pull-request-available
>             Fix For: 1.6.0
>
>
> FLINK-6469 breaks backwards compatibility because the JobManager and TaskManager memory
must be specified with units (otherwise bytes are assumed). The command to start a YARN session
as documented ([https://github.com/apache/flink/blob/9f736d1927c62d220a82931c4f5ffa4955910f27/docs/ops/deployment/yarn_setup.md)
|https://github.com/apache/flink/blob/9f736d1927c62d220a82931c4f5ffa4955910f27/docs/ops/deployment/yarn_setup.md]
would not work because 1024 bytes and 4096 bytes are not enough for the heap size. The command
finishes with the following exception:
> {noformat}
> java.lang.reflect.UndeclaredThrowableException
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1854)
> 	at org.apache.flink.runtime.security.HadoopSecurityContext.runSecured(HadoopSecurityContext.java:41)
> 	at org.apache.flink.yarn.cli.FlinkYarnSessionCli.main(FlinkYarnSessionCli.java:802)
> Caused by: org.apache.flink.client.deployment.ClusterDeploymentException: Couldn't deploy
Yarn session cluster
> 	at org.apache.flink.yarn.AbstractYarnClusterDescriptor.deploySessionCluster(AbstractYarnClusterDescriptor.java:420)
> 	at org.apache.flink.yarn.cli.FlinkYarnSessionCli.run(FlinkYarnSessionCli.java:599)
> 	at org.apache.flink.yarn.cli.FlinkYarnSessionCli.lambda$main$2(FlinkYarnSessionCli.java:802)
> 	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)
> 	... 2 more
> Caused by: org.apache.flink.util.FlinkException: Cannot fulfill the minimum memory requirements
with the provided cluster specification. Please increase the memory of the cluster.
> 	at org.apache.flink.yarn.AbstractYarnClusterDescriptor.validateClusterSpecification(AbstractYarnClusterDescriptor.java:453)
> 	at org.apache.flink.yarn.AbstractYarnClusterDescriptor.deployInternal(AbstractYarnClusterDescriptor.java:475)
> 	at org.apache.flink.yarn.AbstractYarnClusterDescriptor.deploySessionCluster(AbstractYarnClusterDescriptor.java:413)
> 	... 7 more
> Caused by: java.lang.IllegalArgumentException
> 	at org.apache.flink.util.Preconditions.checkArgument(Preconditions.java:123)
> 	at org.apache.flink.runtime.clusterframework.ContaineredTaskManagerParameters.calculateCutoffMB(ContaineredTaskManagerParameters.java:115)
> 	at org.apache.flink.yarn.AbstractYarnClusterDescriptor.validateClusterSpecification(AbstractYarnClusterDescriptor.java:450)
> 	... 9 more
> {noformat}
>  



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