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Hadoop QA commented on MAPREDUCE-2459: -------------------------------------- -1 overall. Here are the results of testing the latest attachment http://issues.apache.org/jira/secure/attachment/12477799/MAPREDUCE-2459.1.patch against trunk revision 1097679. +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 core unit tests: org.apache.hadoop.cli.TestMRCLI org.apache.hadoop.tools.TestHadoopArchives org.apache.hadoop.tools.TestHarFileSystem -1 contrib tests. The patch failed contrib unit tests. -1 system test framework. The patch failed system test framework compile. Test results: https://builds.apache.org/hudson/job/PreCommit-MAPREDUCE-Build/199//testReport/ Findbugs warnings: https://builds.apache.org/hudson/job/PreCommit-MAPREDUCE-Build/199//artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html Console output: https://builds.apache.org/hudson/job/PreCommit-MAPREDUCE-Build/199//console This message is automatically generated. > Cache HAR filesystem metadata > ----------------------------- > > Key: MAPREDUCE-2459 > URL: https://issues.apache.org/jira/browse/MAPREDUCE-2459 > Project: Hadoop Map/Reduce > Issue Type: Improvement > Components: harchive > Reporter: Mac Yang > Assignee: Mac Yang > Attachments: MAPREDUCE-2459.1.patch > > > Each HAR file system has two index files that contains information on how > files are stored in the part files. During the block location calculation, > these indexes are reread for every file in the archive. Caching the indexes > and the status of the part files will greatly reduce the number of name node > operations during the job setup time. -- This message is automatically generated by JIRA. For more information on JIRA, see: http://www.atlassian.com/software/jira