cassandra-commits mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Vijay (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (CASSANDRA-4388) Use MMap for CompressedSegmentFile with Native Checksum
Date Wed, 22 May 2013 17:29:21 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-4388?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Vijay resolved CASSANDRA-4388.
------------------------------

    Resolution: Won't Fix

Hi Jonathan, The main idea was to reduce the system calls which is better served currently
with the pool... hence closing the ticket.
                
> Use MMap for CompressedSegmentFile with Native Checksum
> -------------------------------------------------------
>
>                 Key: CASSANDRA-4388
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-4388
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Core
>            Reporter: Vijay
>            Assignee: Vijay
>             Fix For: 2.0
>
>         Attachments: 0001-CASSANDRA-4388.patch
>
>
> Use MMap for CompressedSegmentFile (Something similar to CASSANDRA-3623) and use Native
Checksum (HDFS-2080) to avoid memcpy and be faster in its calculations.

--
This message is automatically generated by JIRA.
If you think it was sent incorrectly, please contact your JIRA administrators
For more information on JIRA, see: http://www.atlassian.com/software/jira

Mime
View raw message