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https://issues.apache.org/jira/browse/CASSANDRA-1714?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12982122#action_12982122
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Hudson commented on CASSANDRA-1714:
-----------------------------------
Integrated in Cassandra #672 (See
[https://hudson.apache.org/hudson/job/Cassandra/672/])
fix use of direct buffers from CASSANDRA-1714
patch by Pavel Yaskevich; reviewed by jbellis for CASSANDRA-1989
> zero-copy reads
> ---------------
>
> Key: CASSANDRA-1714
> URL: https://issues.apache.org/jira/browse/CASSANDRA-1714
> Project: Cassandra
> Issue Type: Improvement
> Components: Core
> Reporter: Jonathan Ellis
> Assignee: Pavel Yaskevich
> Fix For: 0.7.1
>
> Attachments: 1714-v5-07.txt, CASSANDRA-1714-0.7.patch,
> CASSANDRA-1714-additions-to-trunk.patch, CASSANDRA-1714-v2.patch,
> CASSANDRA-1714-v3.patch, CASSANDRA-1714-v4-trunk.patch,
> CASSANDRA-1714-v6-0.7.patch, CASSANDRA-1714.patch, zerocopy.txt
>
> Original Estimate: 32h
> Time Spent: 32h
> Remaining Estimate: 0h
>
> Since we are already using mmap'd ByteBuffers in MappedFileDataInput we
> should be able to do zero-copy reads (via buffer.slice()), which would give
> us better performance than CASSANDRA-1651 without having to worry about
> buffer management.
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