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https://issues.apache.org/jira/browse/HBASE-16225?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15381716#comment-15381716
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ramkrishna.s.vasudevan commented on HBASE-16225:
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bq. hierarchy of filters would be clean; care would have to be taken to keep
the current performance, this is one of the most frequently called code in
HBase.
There was a JIRA that I raised to actually replace SQM with a set of filters.
Probably we could do that way as part of this JIRA?
> Refactor ScanQueryMatcher
> -------------------------
>
> Key: HBASE-16225
> URL: https://issues.apache.org/jira/browse/HBASE-16225
> Project: HBase
> Issue Type: Improvement
> Reporter: Duo Zhang
>
> As said in HBASE-16223, the code of {{ScanQueryMatcher}} is too complicated.
> I suggest that we can abstract an interface and implement several sub classes
> which separate different logic into different implementations. For example,
> the requirements of compaction and user scan are different, now we also need
> to consider the logic of user scan even if we only want to add a logic for
> compaction. And at least, the raw scan does not need a query matcher... we
> can implement a dummy query matcher for it.
> Suggestions are welcomed. Thanks.
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