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From "Bill Havanki (JIRA)" <j...@apache.org>
Subject [jira] [Created] (ACCUMULO-2198) Concurrent randomwalk fails with unbalanced servers
Date Wed, 15 Jan 2014 14:29:25 GMT
Bill Havanki created ACCUMULO-2198:
--------------------------------------

             Summary: Concurrent randomwalk fails with unbalanced servers
                 Key: ACCUMULO-2198
                 URL: https://issues.apache.org/jira/browse/ACCUMULO-2198
             Project: Accumulo
          Issue Type: Bug
          Components: test
    Affects Versions: 1.4.4
            Reporter: Bill Havanki
            Assignee: Bill Havanki


Not always, but sometimes I am seeing the Concurrent randomwalk test fail with:

{noformat}
java.lang.Exception: Error running node Concurrent.xml
        at org.apache.accumulo.server.test.randomwalk.Module.visit(Module.java:259)
...
Caused by: java.lang.Exception: Error running node ct.CheckBalance
        at org.apache.accumulo.server.test.randomwalk.Module.visit(Module.java:259)
        at org.apache.accumulo.server.test.randomwalk.Module.visit(Module.java:251)
        ... 8 more
Caused by: java.lang.Exception: servers are unbalanced!
        at org.apache.accumulo.server.test.randomwalk.concurrent.CheckBalance.visit(CheckBalance.java:74)
        at org.apache.accumulo.server.test.randomwalk.Module.visit(Module.java:251)
        ... 9 more
{noformat}

In one case, the 15-minute allowance for balancing extended to a prior run of Concurrent.xml
within the same overall test run. In another case, the time span begins at a point when HDFS
failed to contact a datanode.



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