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Hudson commented on HADOOP-6569: -------------------------------- Integrated in Hdfs-Patch-h2.grid.sp2.yahoo.net #146 (See [http://hudson.zones.apache.org/hudson/job/Hdfs-Patch-h2.grid.sp2.yahoo.net/146/]) > FsShell#cat should avoid calling unecessary getFileStatus before opening a > file to read > --------------------------------------------------------------------------------------- > > Key: HADOOP-6569 > URL: https://issues.apache.org/jira/browse/HADOOP-6569 > Project: Hadoop Common > Issue Type: Improvement > Components: fs > Reporter: Hairong Kuang > Assignee: Hairong Kuang > Fix For: 0.22.0 > > Attachments: optimizeCat-yahoo.patch, optimizeCat-yahoo1.patch, > optimizeCat-yahoo2.patch, optimizeCat.patch, optimizeCat.patch > > > Since FileSystem#open throws a FileNotFoundException when the file to be read > does not exist, there is no need to check if the file is a directory or not > before open. In case of HDFS, this could reduce one getFileInfo RPC to > NameNode. -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.