[jira] [Commented] (ACCUMULO-565) graphs on the monitor page always read zero

["Keith Turner (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/ACCUMULO-565?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13265018#comment-13265018 ] 

Keith Turner commented on ACCUMULO-565:
---------------------------------------

A new timer task was added in the TSRM.  This task is throwing an excpetion and killing the timer that a lot of tablet server task use.  There is a timer task that collects stats from tablets that is not running as a result.  I added a try/catch/log to the task and saw the following.   Now that the exception is caught, the counts are showing up.

{noformat}
30 12:41:59,598 [tabletserver.TabletServerResourceManager] WARN : java.lang.ClassCastException: org.apache.accumulo.cloudtrace.instrument.TraceExecutorService cannot be cast to java.util.concurrent.ThreadPoolExecutor
java.lang.ClassCastException: org.apache.accumulo.cloudtrace.instrument.TraceExecutorService cannot be cast to java.util.concurrent.ThreadPoolExecutor
        at org.apache.accumulo.server.tabletserver.TabletServerResourceManager$1.run(TabletServerResourceManager.java:209)
        at java.util.TimerThread.mainLoop(Timer.java:512)
        at java.util.TimerThread.run(Timer.java:462)
{noformat}
                
> graphs on the monitor page always read zero
> -------------------------------------------
>
>                 Key: ACCUMULO-565
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-565
>             Project: Accumulo
>          Issue Type: Bug
>          Components: master, monitor
>    Affects Versions: 1.5.0-SNAPSHOT
>            Reporter: Eric Newton
>            Assignee: Keith Turner
>             Fix For: 1.5.0
>
>
> While testing other improvements, I noticed the top four graphs are always reading zero.

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