accumulo-notifications mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Christopher Tubbs (JIRA)" <>
Subject [jira] [Updated] (ACCUMULO-140) Prevent linux from caching write ahead log files
Date Tue, 18 Dec 2012 19:38:14 GMT


Christopher Tubbs updated ACCUMULO-140:

    Fix Version/s:     (was: 1.5.0)
> Prevent linux from caching write ahead log files
> ------------------------------------------------
>                 Key: ACCUMULO-140
>                 URL:
>             Project: Accumulo
>          Issue Type: Improvement
>          Components: logger
>            Reporter: Keith Turner
>            Assignee: Eric Newton
> While at ApacheCon I attended a talk about Cassandra.  The developer mentioned using
posix_fadvise to prevent linux from storing edit/write ahead log data in the page cache. 
This sounds great.  Accumulo can do this for its write ahead logs.
> Using posix_fadvise was also mentioned for compactions, this is something Accumulo can
not do because its compactions read and write to hdfs.

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:

View raw message