[
https://issues.apache.org/jira/browse/HADOOP-7834?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13279656#comment-13279656
]
Todd Lipcon commented on HADOOP-7834:
-------------------------------------
Would be interesting to see if this improves MR code, too, if we were to hook
it into intermediate file spills. We generally have a pretty good estimate of
the size of the intermediate files before we begin writing them.
> Support posix_fallocate in NativeIO and add call from DataNode code
> -------------------------------------------------------------------
>
> Key: HADOOP-7834
> URL: https://issues.apache.org/jira/browse/HADOOP-7834
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: io, native, performance
> Reporter: Sriram Rao
>
--
This message is automatically generated by JIRA.
If you think it was sent incorrectly, please contact your JIRA administrators:
https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa
For more information on JIRA, see: http://www.atlassian.com/software/jira
