hama-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Thomas Jungblut (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HAMA-740) DiskVerticesInfo are slow due to not buffered writes
Date Wed, 27 Feb 2013 19:49:12 GMT

     [ https://issues.apache.org/jira/browse/HAMA-740?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Thomas Jungblut updated HAMA-740:

    Attachment: windows_patch.txt

windows patch, will generate a linux one that passes the testcases soon.
>From a first look, this is way faster (using the buffered LocalFS inputstreams.
> DiskVerticesInfo are slow due to not buffered writes
> ----------------------------------------------------
>                 Key: HAMA-740
>                 URL: https://issues.apache.org/jira/browse/HAMA-740
>             Project: Hama
>          Issue Type: Improvement
>            Reporter: Thomas Jungblut
>            Assignee: Thomas Jungblut
>         Attachments: windows_patch.txt
> Currently we write directly to the RandomAccessFile. This is ultra-slow as there is no
buffering between it.

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

View raw message