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https://issues.apache.org/jira/browse/HBASE-9769?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13796242#comment-13796242
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Vladimir Rodionov commented on HBASE-9769:
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In 0.94.12 the difference is not so dramatic as in 0.94.6 but still exists:
default: 500K rows per sec
filter-based: 1.2M rows per sec
It seems that there is performance regression in scan filters in 0.94.12. The
code which gives me almost 1.5M in 0.94.6 runs only 1.2M rows per sec in
0.94.12.
> Improve performance of a Scanner with explicit column list when rows are
> small/medium size
> ------------------------------------------------------------------------------------------
>
> Key: HBASE-9769
> URL: https://issues.apache.org/jira/browse/HBASE-9769
> Project: HBase
> Issue Type: Improvement
> Components: Scanners
> Affects Versions: 0.98.0, 0.94.12, 0.96.0
> Reporter: Vladimir Rodionov
> Assignee: Vladimir Rodionov
>
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