[ http://issues.apache.org/jira/browse/HADOOP-76?page=comments#action_12447811 ] Devaraj Das commented on HADOOP-76: -----------------------------------
1. Noticed incorrect Javadoc/comments in some places. Please go through the patch carefully and fix them. 2. The commit and abort APIs of PhasedFileSystem needs to invoke the baseFS's close() method. 3. The runningTasks variable seems redundant and can be removed, and the code updating/reading runningTasks can be changed to update/read recentTasks instead. > Implement speculative re-execution of reduces > --------------------------------------------- > > Key: HADOOP-76 > URL: http://issues.apache.org/jira/browse/HADOOP-76 > Project: Hadoop > Issue Type: Improvement > Components: mapred > Affects Versions: 0.1.0 > Reporter: Doug Cutting > Assigned To: Sanjay Dahiya > Priority: Minor > Attachments: Hadoop-76.patch, Hadoop-76_1.patch, spec_reducev.patch > > > As a first step, reduce task outputs should go to temporary files which are > renamed when the task completes. -- This message is automatically generated by JIRA. - If you think it was sent incorrectly contact one of the administrators: http://issues.apache.org/jira/secure/Administrators.jspa - For more information on JIRA, see: http://www.atlassian.com/software/jira
