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Posted to commits@cassandra.apache.org by "Jonathan Ellis (JIRA)" <ji...@apache.org> on 2010/11/23 16:36:14 UTC

[jira] Assigned: (CASSANDRA-1714) zero-copy reads

     [ https://issues.apache.org/jira/browse/CASSANDRA-1714?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jonathan Ellis reassigned CASSANDRA-1714:
-----------------------------------------

    Assignee: T Jake Luciani

> 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: T Jake Luciani
>             Fix For: 0.7.1
>
>         Attachments: zerocopy.txt
>
>
> 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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