Don't create an unnecessary LinkedList when evicting from the BlockCache
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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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