[jira] Issue Comment Edited: (CASSANDRA-1714) zero-copy reads

["Pavel Yaskevich (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CASSANDRA-1714?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12978360#action_12978360 ] 

Pavel Yaskevich edited comment on CASSANDRA-1714 at 1/6/11 10:15 AM:
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I concur! Can you create that task and assign it on me, please?

      was (Author: xedin):
    I concur! Can you create that task and assign it on me, pelase?
  
> 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: CASSANDRA-1714-v2.patch, CASSANDRA-1714.patch, zerocopy.txt
>
>   Original Estimate: 32h
>  Remaining Estimate: 32h
>
> 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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