[jira] [Commented] (ACCUMULO-3141) Many RW failures due to balance check

["Josh Elser (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/ACCUMULO-3141?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14137851#comment-14137851 ] 

Josh Elser commented on ACCUMULO-3141:
--------------------------------------

Didn't [~bhavanki] try to fix this a while back? Some bell is going off..

> Many RW failures due to balance check
> -------------------------------------
>
>                 Key: ACCUMULO-3141
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-3141
>             Project: Accumulo
>          Issue Type: Bug
>         Environment: 1.5.2 RC1, Hadoop 2.3.0, Zookeeper 3.4.5, CentOS 6, 20 node EC2
>            Reporter: Keith Turner
>             Fix For: 1.5.3, 1.6.1, 1.7.0
>
>
> While running RW test against 1.5.2 RC1, 10 of 17 walkers failed with a message like the following.
> {noformat}
> 16 19:35:48,820 [randomwalk.Framework] ERROR: Error during random walk
> java.lang.Exception: Error running node Concurrent.xml
>         at org.apache.accumulo.test.randomwalk.Module.visit(Module.java:285)
>         at org.apache.accumulo.test.randomwalk.Framework.run(Framework.java:63)
>         at org.apache.accumulo.test.randomwalk.Framework.main(Framework.java:122)
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>         at java.lang.reflect.Method.invoke(Method.java:606)
>         at org.apache.accumulo.start.Main$1.run(Main.java:107)
>         at java.lang.Thread.run(Thread.java:744)
> Caused by: java.lang.Exception: Error running node ct.CheckBalance
>         at org.apache.accumulo.test.randomwalk.Module.visit(Module.java:285)
>         at org.apache.accumulo.test.randomwalk.Module.visit(Module.java:254)
>         ... 8 more
> Caused by: java.lang.Exception: servers are unbalanced! location 2487f8db354002f count 345 too far from average 151.86666666666667
>         at org.apache.accumulo.test.randomwalk.concurrent.CheckBalance.visit(CheckBalance.java:86)
>         at org.apache.accumulo.test.randomwalk.Module.visit(Module.java:254)
> {noformat}



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