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From "Benoit Sigoure (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-4752) Don't create an unnecessary LinkedList when evicting from the BlockCache
Date Sun, 06 Nov 2011 04:00:51 GMT
Don't create an unnecessary LinkedList when evicting from the BlockCache
------------------------------------------------------------------------

                 Key: HBASE-4752
                 URL: https://issues.apache.org/jira/browse/HBASE-4752
             Project: HBase
          Issue Type: Improvement
          Components: performance, regionserver
    Affects Versions: 0.90.4
            Reporter: Benoit Sigoure
            Assignee: Benoit Sigoure
            Priority: Minor


When evicting from the BlockCache, the code creates a LinkedList containing every single block
sorted by access time.  This list is created from a PriorityQueue.  I don't believe it is
necessary, as the PriorityQueue can be used directly.

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