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https://issues.apache.org/jira/browse/HBASE-7884?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13585603#comment-13585603
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clockfly commented on HBASE-7884:
---------------------------------
I didn't adopt the method to use major_compact to compare the performance.
Major compact will call bloom filter *builing* when doing merging. This patch
doesn't change the *building* process, This patch only impact the bloom filter
*lookup* performance, so there will be no performance difference observed for
the major compaction.
Since byteBloomFilter is a standalone utility, so I adopt the method to test
its performance standalone, outside of HBase.
> ByteBloomFilter's performance can be improved by avoiding multiplication when
> generating hash
> ----------------------------------------------------------------------------------------------
>
> Key: HBASE-7884
> URL: https://issues.apache.org/jira/browse/HBASE-7884
> Project: HBase
> Issue Type: Bug
> Components: Performance
> Affects Versions: 0.94.5
> Reporter: clockfly
> Priority: Minor
> Fix For: 0.96.0, 0.94.6
>
> Attachments: bloom_optimization_trunk_patch.patch,
> bloom_performance_tunning.patch, hbase-7884-performance-report.pdf,
> TestByteBloom.java
>
>
> ByteBloomFilter's performance can be optimized by avoiding multiplication
> operation when generating hash
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