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Uma Maheswara Rao G commented on HDFS-989: ------------------------------------------ Misread the issue, I was thinking about DFS flush/sync. Verified it on local FS. Behaviour for flush and should flush the data. Looks only close is flushing the data. seems to be a bug. Let me dig into more. Reopening it. > Flush/sync do not work on Hadoop LocalFileSystem > ------------------------------------------------ > > Key: HDFS-989 > URL: https://issues.apache.org/jira/browse/HDFS-989 > Project: Hadoop HDFS > Issue Type: Bug > Affects Versions: 0.20.1 > Reporter: Nathan Marz > > They seem to be no-ops. This is really easy to reproduce, just open a file > using FileSystem/getLocal(new Configuration()), write data to the output > stream, and then try to flush/sync. I also tried creating the output stream > with a buffer size of 1, but that had no effect. -- 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