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https://issues.apache.org/jira/browse/HBASE-15554?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15408272#comment-15408272
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ramkrishna.s.vasudevan commented on HBASE-15554:
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bq.What about import of KeyValue etc. into MurmurHash. We have to?
It may be needed because we are trying to make Hash algo to work with Cells.
To we may need to know the key length etc.
The Key interface will mainly help us to ensure that instead of blindly
treating the cells as KeyValue serialized we could use the Key interface to
know how the keys have been serialized and based on that decide if we need to
copy.
> 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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