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From "Anoop Sam John (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-6331) Problem with HBCK mergeOverlaps
Date Thu, 05 Jul 2012 08:20:33 GMT
Anoop Sam John created HBASE-6331:
-------------------------------------

             Summary: Problem with HBCK mergeOverlaps
                 Key: HBASE-6331
                 URL: https://issues.apache.org/jira/browse/HBASE-6331
             Project: HBase
          Issue Type: Bug
          Components: hbck
            Reporter: Anoop Sam John
            Assignee: Anoop Sam John


In HDFSIntegrityFixer#mergeOverlaps(), there is a logic to create the final range of the region
after the overlap.
I can see one issue with this code
{code}
            if (RegionSplitCalculator.BYTES_COMPARATOR
                    .compare(hi.getEndKey(), range.getSecond()) > 0) {
              range.setSecond(hi.getEndKey());
            }
{code}
Here suppose the regions include the end region for which the endKey will be empty, we need
to get finally the range with endkey as empty byte[]
But as per the above logic it will see that any other key greater than the empty byte[] and
will set it.

Finally the new region created will not get endkey as empty byte[]

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