hadoop-common-issues mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Aaron Kimball (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-5958) Use JDK 1.6 File APIs in DF.java wherever possible
Date Thu, 19 Nov 2009 04:40:40 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-5958?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12779822#action_12779822
] 

Aaron Kimball commented on HADOOP-5958:
---------------------------------------

Steve,

Excellent question. I'm out of the office for the week, so I don't have access to my networked
resources to run that test right now. But now that you've raised the issue, I'm concerned
too. Will check on this next week.


> Use JDK 1.6 File APIs in DF.java wherever possible
> --------------------------------------------------
>
>                 Key: HADOOP-5958
>                 URL: https://issues.apache.org/jira/browse/HADOOP-5958
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: fs
>            Reporter: Devaraj Das
>            Assignee: Aaron Kimball
>             Fix For: 0.21.0
>
>         Attachments: HADOOP-5958-hdfs.patch, HADOOP-5958-mapred.patch, HADOOP-5958.2.patch,
HADOOP-5958.3.patch, HADOOP-5958.4.patch, HADOOP-5958.patch
>
>
> JDK 1.6 has File APIs like File.getFreeSpace() which should be used instead of spawning
a command process for getting the various disk/partition related attributes. This would avoid
spikes in memory consumption by tasks when things like LocalDirAllocator is used for creating
paths on the filesystem.

-- 
This message is automatically generated by JIRA.
-
You can reply to this email to add a comment to the issue online.


Mime
View raw message