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From "Raju Bairishetti (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-3646) Applications are getting stuck some times in case of retry policy forever
Date Wed, 20 May 2015 05:08:00 GMT

     [ https://issues.apache.org/jira/browse/YARN-3646?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Raju Bairishetti updated YARN-3646:
    Attachment: YARN-3646.001.patch

Added a new unit test in hadoop-yarn-client. [~rohithsharma] Could you please review?

Ran the test without starting the RM and then test was getting timeout.

Ran the test by starting the RM then client is getting ApplicationNotFoundException for older/invalid
      rm = new ResourceManager();

> Applications are getting stuck some times in case of retry policy forever
> -------------------------------------------------------------------------
>                 Key: YARN-3646
>                 URL: https://issues.apache.org/jira/browse/YARN-3646
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: client
>            Reporter: Raju Bairishetti
>         Attachments: YARN-3646.001.patch, YARN-3646.patch
> We have set  *yarn.resourcemanager.connect.wait-ms* to -1 to use  FOREVER retry policy.
> Yarn client is infinitely retrying in case of exceptions from the RM as it is using retrying
policy as FOREVER. The problem is it is retrying for all kinds of exceptions (like ApplicationNotFoundException),
even though it is not a connection failure. Due to this my application is not progressing
> *Yarn client should not retry infinitely in case of non connection failures.*
> We have written a simple yarn-client which is trying to get an application report for
an invalid  or older appId. ResourceManager is throwing an ApplicationNotFoundException as
this is an invalid or older appId.  But because of retry policy FOREVER, client is keep on
retrying for getting the application report and ResourceManager is throwing ApplicationNotFoundException
> {code}
> private void testYarnClientRetryPolicy() throws  Exception{
>         YarnConfiguration conf = new YarnConfiguration();
>         conf.setInt(YarnConfiguration.RESOURCEMANAGER_CONNECT_MAX_WAIT_MS, -1);
>         YarnClient yarnClient = YarnClient.createYarnClient();
>         yarnClient.init(conf);
>         yarnClient.start();
>         ApplicationId appId = ApplicationId.newInstance(1430126768987L, 10645);
>         ApplicationReport report = yarnClient.getApplicationReport(appId);
>     }
> {code}
> *RM logs:*
> {noformat}
> 15/05/14 16:33:24 INFO ipc.Server: IPC Server handler 21 on 8032, call org.apache.hadoop.yarn.api.ApplicationClientProtocolPB.getApplicationReport
from Call#875162 Retry#0
> org.apache.hadoop.yarn.exceptions.ApplicationNotFoundException: Application with id 'application_1430126768987_10645'
doesn't exist in RM.
> 	at org.apache.hadoop.yarn.server.resourcemanager.ClientRMService.getApplicationReport(ClientRMService.java:284)
> 	at org.apache.hadoop.yarn.api.impl.pb.service.ApplicationClientProtocolPBServiceImpl.getApplicationReport(ApplicationClientProtocolPBServiceImpl.java:145)
> 	at org.apache.hadoop.yarn.proto.ApplicationClientProtocol$ApplicationClientProtocolService$2.callBlockingMethod(ApplicationClientProtocol.java:321)
> 	at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:585)
> 	at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:928)
> 	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2013)
> 	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2009)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:415)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1556)
> 	at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2007)
> ....
> 15/05/14 16:33:24 INFO ipc.Server: IPC Server handler 47 on 8032, call org.apache.hadoop.yarn.api.ApplicationClientProtocolPB.getApplicationReport
from Call#875163 Retry#0
> ....
> {noformat}

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