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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (APEXCORE-330) Ability to obtain a thread dump from a container
Date Tue, 03 May 2016 17:59:12 GMT

    [ https://issues.apache.org/jira/browse/APEXCORE-330?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15269210#comment-15269210
] 

ASF GitHub Bot commented on APEXCORE-330:
-----------------------------------------

Github user davidyan74 commented on a diff in the pull request:

    https://github.com/apache/incubator-apex-core/pull/321#discussion_r61926171
  
    --- Diff: engine/src/main/java/com/datatorrent/stram/webapp/StramWebServices.java ---
    @@ -122,7 +124,11 @@
       public static final String PATH_OPERATOR_CLASSES = "operatorClasses";
       public static final String PATH_ALERTS = "alerts";
       public static final String PATH_LOGGERS = "loggers";
    +  public static final String PATH_STACKTRACE = "stackTrace";
       public static final long WAIT_TIME = 5000;
    +  public static final long STACK_TRACE_WAIT_TIME = 1000;
    +  public static final long STACK_TRACE_ATTEMPT = 10;
    --- End diff --
    
    STACK_TRACE_ATTEMPTS (with an s)


> Ability to obtain a thread dump from a container
> ------------------------------------------------
>
>                 Key: APEXCORE-330
>                 URL: https://issues.apache.org/jira/browse/APEXCORE-330
>             Project: Apache Apex Core
>          Issue Type: Improvement
>            Reporter: Thomas Weise
>            Assignee: Sandesh
>
> To analyze issues such as "stuck operator", it is useful to obtain stats from the running
JVM. Often needed are GC stats and thread dump. In production environments users often don't
have direct access to the machines, making it available through the REST API will help.



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