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Posted to dev@hbase.apache.org by st...@duboce.net on 2010/09/16 19:08:37 UTC
Re: Review Request: Add reseek optimization for fetching multiple versions
via TimestampsFilter
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http://review.cloudera.org/r/859/#review1244
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Ship it!
+1
Ryan, you want to take a look since you've got your head in here?
- stack
On 2010-09-16 01:47:47, Pranav Khaitan wrote:
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> http://review.cloudera.org/r/859/
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> (Updated 2010-09-16 01:47:47)
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> Review request for hbase and Kannan Muthukkaruppan.
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> Summary
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> Skip between timestamps to avoid the unnecessary read for all the blocks which come in between.
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> For example:
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> If we have timestamps from 1 to 1000 for a particular row, family, qualifier and we want to read only timestamps 990 and 10, then we should be able to read 990 and then jump to 10 instead of doing a sequential read including everything in between.
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> This addresses bug HBASE-3005.
> http://issues.apache.org/jira/browse/HBASE-3005
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> Diffs
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> trunk/src/main/java/org/apache/hadoop/hbase/KeyValue.java 997639
> trunk/src/main/java/org/apache/hadoop/hbase/filter/TimestampsFilter.java 997639
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> Diff: http://review.cloudera.org/r/859/diff
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> Testing
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> All tests using TimestampFilter passing
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> Reviewed by Kannan
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> Thanks,
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> Pranav
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