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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