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From "ramkrishna.s.vasudevan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-15554) StoreFile$Writer.appendGeneralBloomFilter generates extra KV
Date Fri, 05 Aug 2016 12:07:21 GMT

    [ https://issues.apache.org/jira/browse/HBASE-15554?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15409368#comment-15409368
] 

ramkrishna.s.vasudevan commented on HBASE-15554:
------------------------------------------------

I have started making some changes to see if every where we can work with Cells. I will check
with your Iterable proposal also. Yes we need two impl of Hash for ROW and ROWCOL. Was thinking
if we can some how tie this hash func with the bloom filter type. Thanks for the feedback.
The reference to previous cell is there even in StoreScanner#next(). So even that may have
to be solved and not only here in Bloom Filter.

> StoreFile$Writer.appendGeneralBloomFilter generates extra KV
> ------------------------------------------------------------
>
>                 Key: HBASE-15554
>                 URL: https://issues.apache.org/jira/browse/HBASE-15554
>             Project: HBase
>          Issue Type: Sub-task
>          Components: Performance
>            Reporter: Vladimir Rodionov
>            Assignee: ramkrishna.s.vasudevan
>             Fix For: 2.0.0
>
>         Attachments: HBASE-15554.patch, HBASE-15554_3.patch, HBASE-15554_4.patch, HBASE-15554_6.patch,
HBASE-15554_7.patch
>
>
> Accounts for 10% memory allocation in compaction thread when BloomFilterType is ROWCOL.



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