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From "Feng Yuan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-6078) Containers stuck in Localizing state
Date Fri, 07 Apr 2017 08:21:41 GMT

    [ https://issues.apache.org/jira/browse/YARN-6078?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15960466#comment-15960466
] 

Feng Yuan commented on YARN-6078:
---------------------------------

The NM stack trace seem indicate the localizerRunner thread stuck at the read pipe from process
stdout.
Can you make sure the container-localizer process have start?

> Containers stuck in Localizing state
> ------------------------------------
>
>                 Key: YARN-6078
>                 URL: https://issues.apache.org/jira/browse/YARN-6078
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: Jagadish
>
> I encountered an interesting issue in one of our Yarn clusters (where the containers
are stuck in localizing phase).
> Our AM requests a container, and starts a process using the NMClient.
> According to the NM the container is in LOCALIZING state:
> {code}
> 1. 2017-01-09 22:06:18,362 [INFO] [AsyncDispatcher event handler] container.ContainerImpl.handle(ContainerImpl.java:1135)
- Container container_e03_1481261762048_0541_02_000060 transitioned from NEW to LOCALIZING
> 2017-01-09 22:06:18,363 [INFO] [AsyncDispatcher event handler] localizer.ResourceLocalizationService$LocalizerTracker.handle(ResourceLocalizationService.java:711)
- Created localizer for container_e03_1481261762048_0541_02_000060
> 2017-01-09 22:06:18,364 [INFO] [LocalizerRunner for container_e03_1481261762048_0541_02_000060]
localizer.ResourceLocalizationService$LocalizerRunner.writeCredentials(ResourceLocalizationService.java:1191)
- Writing credentials to the nmPrivate file /../..//.nmPrivate/container_e03_1481261762048_0541_02_000060.tokens.
Credentials list:
> {code}
> According to the RM the container is in RUNNING state:
> {code}
> 2017-01-09 22:06:17,110 [INFO] [IPC Server handler 19 on 8030] rmcontainer.RMContainerImpl.handle(RMContainerImpl.java:410)
- container_e03_1481261762048_0541_02_000060 Container Transitioned from ALLOCATED to ACQUIRED
> 2017-01-09 22:06:19,084 [INFO] [ResourceManager Event Processor] rmcontainer.RMContainerImpl.handle(RMContainerImpl.java:410)
- container_e03_1481261762048_0541_02_000060 Container Transitioned from ACQUIRED to RUNNING
> {code}
> When I click the Yarn RM UI to view the logs for the container,  I get an error
> that
> {code}
> No logs were found. state is LOCALIZING
> {code}
> The Node manager 's stack trace seems to indicate that the NM's LocalizerRunner is stuck
waiting to read from the sub-process's outputstream.
> {code}
> "LocalizerRunner for container_e03_1481261762048_0541_02_000060" #27007081 prio=5 os_prio=0
tid=0x00007fa518849800 nid=0x15f7 runnable [0x00007fa5076c3000]
>    java.lang.Thread.State: RUNNABLE
> 	at java.io.FileInputStream.readBytes(Native Method)
> 	at java.io.FileInputStream.read(FileInputStream.java:255)
> 	at java.io.BufferedInputStream.read1(BufferedInputStream.java:284)
> 	at java.io.BufferedInputStream.read(BufferedInputStream.java:345)
> 	- locked <0x00000000c6dc9c50> (a java.lang.UNIXProcess$ProcessPipeInputStream)
> 	at sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:284)
> 	at sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:326)
> 	at sun.nio.cs.StreamDecoder.read(StreamDecoder.java:178)
> 	- locked <0x00000000c6dc9c78> (a java.io.InputStreamReader)
> 	at java.io.InputStreamReader.read(InputStreamReader.java:184)
> 	at java.io.BufferedReader.fill(BufferedReader.java:161)
> 	at java.io.BufferedReader.read1(BufferedReader.java:212)
> 	at java.io.BufferedReader.read(BufferedReader.java:286)
> 	- locked <0x00000000c6dc9c78> (a java.io.InputStreamReader)
> 	at org.apache.hadoop.util.Shell$ShellCommandExecutor.parseExecResult(Shell.java:786)
> 	at org.apache.hadoop.util.Shell.runCommand(Shell.java:568)
> 	at org.apache.hadoop.util.Shell.run(Shell.java:479)
> 	at org.apache.hadoop.util.Shell$ShellCommandExecutor.execute(Shell.java:773)
> 	at org.apache.hadoop.yarn.server.nodemanager.LinuxContainerExecutor.startLocalizer(LinuxContainerExecutor.java:237)
> 	at org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ResourceLocalizationService$LocalizerRunner.run(ResourceLocalizationService.java:1113)
> {code}
> I did a {code}ps aux{code} and confirmed that there was no container-executor process
running with INITIALIZE_CONTAINER that the localizer starts. It seems that the output stream
pipe of the process is still not closed (even though the localizer process is no longer present).



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