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From "Sean Busbey (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-12483) Refactor WAL recovery to abstract away filesystem
Date Sat, 15 Nov 2014 01:37:34 GMT
Sean Busbey created HBASE-12483:

             Summary: Refactor WAL recovery to abstract away filesystem
                 Key: HBASE-12483
                 URL: https://issues.apache.org/jira/browse/HBASE-12483
             Project: HBase
          Issue Type: Improvement
          Components: wal
            Reporter: Sean Busbey
            Assignee: Sean Busbey

HBASE-10378 hides the filesystem from the write-to-the-wal path, but leaves in place the original
recovery code. Refactor to remove this leak.

* Master should have means to say "regions from these servers need recovery"
* Splitting work should be phrased in terms of region groups and regions from a server instead
of files.
* RegionServers doing recovery should be able to say "please replay the edits from this region"
* Similarly Replication should be asking for replay of edits as data is aged out of the wal
rather than looking specifically at file archiving.

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