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https://issues.apache.org/jira/browse/HBASE-17582?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15850546#comment-15850546
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Gary Helmling commented on HBASE-17582:
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On the write side, from what I can see, this was never fully hooked up. The
value set in the Builder doesn't look like it was ever passed through to the
Writer constructor. So the boolean needs to be passed through from the Writer
Builder -> StoreFileWriter constructor -> WriterFactory. If it is piped
through, it will be used in WriterFactory.create().
> Drop page cache hint is broken
> ------------------------------
>
> Key: HBASE-17582
> URL: https://issues.apache.org/jira/browse/HBASE-17582
> Project: HBase
> Issue Type: Bug
> Components: Compaction, io
> Affects Versions: 2.0.0
> Reporter: Ashu Pachauri
> Assignee: Appy
> Priority: Critical
> Attachments: HBASE-17582.master.001.patch
>
>
> We pass a boolean for pass page cache drop hint while creating store file
> scanners and writers.
> The hint is not passed on down the stack by StoreFileWriter and
> StoreFileScanner in the master branch.
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