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From "Chetan Mehrotra (JIRA)" <j...@apache.org>
Subject [jira] [Created] (OAK-4881) Make merge semaphore in SegmentNodeStore fair
Date Tue, 04 Oct 2016 08:03:20 GMT
Chetan Mehrotra created OAK-4881:
------------------------------------

             Summary: Make merge semaphore in SegmentNodeStore fair
                 Key: OAK-4881
                 URL: https://issues.apache.org/jira/browse/OAK-4881
             Project: Jackrabbit Oak
          Issue Type: Improvement
          Components: segment-tar, segmentmk
            Reporter: Chetan Mehrotra
             Fix For: 1.6


Currently the merge semaphore in SegmentNodeStore is by default non fair. OAK-3588 provided
a config option to make it fair.

We should change the default to fair so as to ensure writer threads never get starved. 

Eventually this change would need to be backported to branches



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