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https://issues.apache.org/jira/browse/HBASE-15554?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15409417#comment-15409417
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ramkrishna.s.vasudevan commented on HBASE-15554:
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bq.Ok that can be fixed as part of another Jira. At least in Bloom area we can
make sure we dont keep ref to prev cells.
This lastCell ref we may need or something of that sort because in case of
where we have dupliacate row or duplicate cols how to know if we have a new
key? we need to compare the current cell with the prev cell. Lets see what can
be done there.
> 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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