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Hadoop QA commented on HDFS-2465: --------------------------------- -1 overall. Here are the results of testing the latest attachment http://issues.apache.org/jira/secure/attachment/12501334/hdfs-2465.txt against trunk revision . +1 @author. The patch does not contain any @author tags. -1 tests included. The patch doesn't appear to include any new or modified tests. Please justify why no new tests are needed for this patch. Also please list what manual steps were performed to verify this patch. +1 javadoc. The javadoc tool did not generate any warning messages. +1 javac. The applied patch does not increase the total number of javac compiler warnings. +1 findbugs. The patch does not introduce any new Findbugs (version 1.3.9) warnings. +1 release audit. The applied patch does not increase the total number of release audit warnings. -1 core tests. The patch failed these unit tests: org.apache.hadoop.hdfs.web.TestFSMainOperationsWebHdfs org.apache.hadoop.hdfs.web.TestWebHdfsFileSystemContract org.apache.hadoop.cli.TestHDFSCLI +1 contrib tests. The patch passed contrib unit tests. Test results: https://builds.apache.org/job/PreCommit-HDFS-Build/1487//testReport/ Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/1487//console This message is automatically generated. > Add HDFS support for fadvise readahead and drop-behind > ------------------------------------------------------ > > Key: HDFS-2465 > URL: https://issues.apache.org/jira/browse/HDFS-2465 > Project: Hadoop HDFS > Issue Type: Improvement > Components: data-node, performance > Affects Versions: 0.23.0 > Reporter: Todd Lipcon > Assignee: Todd Lipcon > Attachments: hdfs-2465.txt, hdfs-2465.txt, hdfs-2465.txt, > hdfs-2465.txt > > > This is the HDFS side of HADOOP-7714. The initial implementation is heuristic > based and should be considered experimental, as discussed in the parent JIRA. > It should be off by default until better heuristics, APIs, and tuning > experience is developed. -- 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