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From "Ryan Rawson" <ryano...@gmail.com>
Subject Re: Review Request: Add reseek optimization for fetching multiple versions via TimestampsFilter
Date Fri, 17 Sep 2010 20:02:14 GMT

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This is an automatically generated e-mail. To reply, visit:
http://review.cloudera.org/r/859/#review1261
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Ship it!


lgtm

- Ryan


On 2010-09-16 01:47:47, Pranav Khaitan wrote:
> 
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> This is an automatically generated e-mail. To reply, visit:
> http://review.cloudera.org/r/859/
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> 
> (Updated 2010-09-16 01:47:47)
> 
> 
> Review request for hbase and Kannan Muthukkaruppan.
> 
> 
> Summary
> -------
> 
> Skip between timestamps to avoid the unnecessary read for all the blocks which come in
between.
> 
> For example:
> 
> 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.
> 
> 
> This addresses bug HBASE-3005.
>     http://issues.apache.org/jira/browse/HBASE-3005
> 
> 
> Diffs
> -----
> 
>   trunk/src/main/java/org/apache/hadoop/hbase/KeyValue.java 997639 
>   trunk/src/main/java/org/apache/hadoop/hbase/filter/TimestampsFilter.java 997639 
> 
> Diff: http://review.cloudera.org/r/859/diff
> 
> 
> Testing
> -------
> 
> All tests using TimestampFilter passing
> 
> Reviewed by Kannan
> 
> 
> Thanks,
> 
> Pranav
> 
>


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