[jira] [Created] (HBASE-17171) IntegrationTestTimeBoundedRequestsWithRegionReplicas fails with obtuse error when readers have no time to run

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

Josh Elser created HBASE-17171:
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             Summary: IntegrationTestTimeBoundedRequestsWithRegionReplicas fails with obtuse error when readers have no time to run
                 Key: HBASE-17171
                 URL: https://issues.apache.org/jira/browse/HBASE-17171
             Project: HBase
          Issue Type: Bug
          Components: integration tests
            Reporter: Josh Elser
            Assignee: Josh Elser
            Priority: Minor
             Fix For: 2.0.0


Just noticed an odd error message that cropped up in some $dayjob internal testing.

Sometimes, executions of IntegrationTestTimeBoundedRequestsWithRegionReplicas would result in an error:

{noformat}
Caused by: java.lang.IllegalArgumentException: Please configure hbase.TimeBoundedMultiThreadedReader.runtime
  at org.apache.hadoop.hbase.test.IntegrationTestTimeBoundedRequestsWithRegionReplicas$TimeBoundedMultiThreadedReader.<init>
{noformat}

After digging into the test a bit more, I realized that this is actually failing because the remaining time left after the writers finish (that is, {{hbase.IntegrationTestTimeBoundedRequestsWithRegionReplicas.runtime}} minus the time the writers took) was negative. So, the test harness passed a value which always caused this error.

We should catch when the time available for the readers is negative and throw an appropriate error instructing the human to either increase the amount of time for {{hbase.IntegrationTestTimeBoundedRequestsWithRegionReplicas.runtime}} or decrease the amount of data written.



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