ramkrishna.s.vasudevan created HBASE-15050:
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Summary: Block Ref counting does not work in Region Split cases.
Key: HBASE-15050
URL: https://issues.apache.org/jira/browse/HBASE-15050
Project: HBase
Issue Type: Bug
Affects Versions: 2.0.0
Reporter: ramkrishna.s.vasudevan
Assignee: ramkrishna.s.vasudevan
Priority: Critical
Fix For: 2.0.0
The reference counting on the blocks does not work correctly when the
HalfStorefileReader is used for compaction/scans.
The reason is that getFirstKey and getLastKey API create a new scanner but does
not do the needed close() call and because of that we do not decrement the
count on the blocks. The same impact will also be observed on the ref count
that we maintain on the reader. Issue found when I was trying to test some
other feature with lot of evictions.
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