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From "Jean-Daniel Cryans (JIRA)" <j...@apache.org>
Subject [jira] Created: (HBASE-2580) Make the hlog file names unique
Date Thu, 20 May 2010 00:25:02 GMT
Make the hlog file names unique

                 Key: HBASE-2580
                 URL: https://issues.apache.org/jira/browse/HBASE-2580
             Project: Hadoop HBase
          Issue Type: Improvement
            Reporter: Jean-Daniel Cryans
            Assignee: Jean-Daniel Cryans
             Fix For: 0.21.0

Currently the HLog archiving thread adds another timestamp to ensure the file names are "unique".
This is ugly and makes it harder to track the HLogs movements from outside (like replication).
Instead we could use a UUID as the file name. 

I was discussing with Stack the need of keeping a timestamp in the file name... I think we
can't get rid of it since we need to read the HLogs in sequence when splitting.

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