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https://issues.apache.org/jira/browse/HBASE-6562?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13543543#comment-13543543
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Ted Yu commented on HBASE-6562:
-------------------------------
A brief check among the filters that implement filterRowKey() vs. the filters
that extend FilterBase, the former is minority.
Meaning, introduction of hasFilterRowKey() would narrow the cases where lazy
seek is skipped.
> Fake KVs are sometimes passed to filters
> ----------------------------------------
>
> Key: HBASE-6562
> URL: https://issues.apache.org/jira/browse/HBASE-6562
> Project: HBase
> Issue Type: Bug
> Reporter: Lars Hofhansl
> Assignee: Lars Hofhansl
> Priority: Minor
> Fix For: 0.96.0
>
> Attachments: 6562-0.94-v1.txt, 6562-0.96-v1.txt, 6562.txt,
> 6562-v2.txt, 6562-v3.txt, 6562-v4.txt, 6562-v5.txt, minimalTest.java
>
>
> In internal tests at Salesforce we found that fake row keys sometimes are
> passed to filters (Filter.filterRowKey(...) specifically).
> The KVs are eventually filtered by the StoreScanner/ScanQueryMatcher, but the
> row key is passed to filterRowKey in RegionScannImpl *before* that happens.
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