[jira] [Created] (HBASE-12235) Backport to 0.94: HBASE-9002 TestDistributedLogSplitting.testRecoverdEdits should test correct RS

["Sean Busbey (JIRA)" <ji...@apache.org>]

Sean Busbey created HBASE-12235:
-----------------------------------

             Summary: Backport to 0.94: HBASE-9002 TestDistributedLogSplitting.testRecoverdEdits should test correct RS
                 Key: HBASE-12235
                 URL: https://issues.apache.org/jira/browse/HBASE-12235
             Project: HBase
          Issue Type: Task
          Components: test
    Affects Versions: 0.94.0
         Environment: 0.94.15 compiled with jdk6 running on jdk7 (but I don't think it's relevant)
            Reporter: Sean Busbey
            Assignee: Sean Busbey
            Priority: Minor
             Fix For: 0.94.25


I had TestDistributedLogSplitting.testRecoveredEdits fail on a internal test rig. It's very infrequent.

The proximal failure looks like HBASE-9002, the assertion finds 0 edits instead of 1000.

Looking through the logs, the #regions printed is 0

{code}
line 236        LOG.info("#regions = " + regions.size());
{code}

And then in the makeHLog method I never see any log entry for the actual writing

{code}
line 569    for (int i = 0; i < n; i++) {
line 570      LOG.info("region " + hris.get(i).getRegionNameAsString() + " has " + counts[i] + " edits");
line 571    }
{code}

I think what's happening is we're picking a region that is META or ROOT, so the checks after the "#regions=" line removes the region and we end up inserting no data.

It looks like the patch for HBASE-9002 should fix this.



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