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https://issues.apache.org/jira/browse/HBASE-4585?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13127258#comment-13127258
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jirapos...@reviews.apache.org commented on HBASE-4585:
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https://reviews.apache.org/r/2384/#review2578
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Ship it!
I've been mucking in that code for a bit and was thinking about something along
similar lines. You beat me to it :)
- Lars
On 2011-10-13 22:18:51, Liyin wrote:
bq.
bq. -----------------------------------------------------------
bq. This is an automatically generated e-mail. To reply, visit:
bq. https://reviews.apache.org/r/2384/
bq. -----------------------------------------------------------
bq.
bq. (Updated 2011-10-13 22:18:51)
bq.
bq.
bq. Review request for hbase, Dhruba Borthakur, Michael Stack, Jonathan Gray,
Mikhail Bautin, Kannan Muthukkaruppan, Jerry Chen, Karthik Ranganathan, and
Nicolas Spiegelberg.
bq.
bq.
bq. Summary
bq. -------
bq.
bq. When the current kv is deleted during the matching in the
ScanQueryMatcher, currently the matcher will return skip and continue to seek.
bq. Actually, if the current kv is deleted because of family deleted or column
deleted, the matcher should seek to next col.
bq. If the current kv is deleted because of version deleted, the matcher
should just return skip.
bq.
bq. I will submit another patch against apache-trunk later.
bq.
bq.
bq. This addresses bug HBASE-4585.
bq. https://issues.apache.org/jira/browse/HBASE-4585
bq.
bq.
bq. Diffs
bq. -----
bq.
bq.
src/test/java/org/apache/hadoop/hbase/regionserver/TestScanDeleteTracker.java
afb3fcc
bq. src/test/java/org/apache/hadoop/hbase/regionserver/TestBlocksRead.java
e8ac027
bq. src/main/java/org/apache/hadoop/hbase/regionserver/ScanQueryMatcher.java
a1d7de5
bq. src/main/java/org/apache/hadoop/hbase/regionserver/DeleteTracker.java
b425bf2
bq.
src/main/java/org/apache/hadoop/hbase/regionserver/ScanDeleteTracker.java
1a891a6
bq.
bq. Diff: https://reviews.apache.org/r/2384/diff
bq.
bq.
bq. Testing
bq. -------
bq.
bq. Running all the unit tests.
bq.
bq.
bq. Thanks,
bq.
bq. Liyin
bq.
bq.
> Avoid seek operation when current kv is deleted
> -----------------------------------------------
>
> Key: HBASE-4585
> URL: https://issues.apache.org/jira/browse/HBASE-4585
> Project: HBase
> Issue Type: Improvement
> Reporter: Liyin Tang
> Assignee: Liyin Tang
>
> When the current kv is deleted during the matching in the ScanQueryMatcher,
> currently the matcher will return skip and continue to seek.
> Actually, if the current kv is deleted because of family deleted or column
> deleted, the matcher should seek to next col.
> If the current kv is deleted because of version deleted, the matcher should
> just return skip.
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