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https://issues.apache.org/jira/browse/HBASE-7364?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrew Kyle Purtell closed HBASE-7364.
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> Concurrency issue: RCFile returns decompressors twice
> -----------------------------------------------------
>
> Key: HBASE-7364
> URL: https://issues.apache.org/jira/browse/HBASE-7364
> Project: HBase
> Issue Type: Bug
> Reporter: Mikhail Gryzykhin
> Priority: Critical
>
> RCFile is not thread-safe, even if each reader is only used by one thread as
> intended, because it is possible to return decompressors to the pool multiple
> times by calling close on the reader multiple times. Then, different threads
> can pick up the same decompressor twice from the pool, resulting in
> decompression failures.
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