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Zhe Zhang commented on HDFS-9289: --------------------------------- Thanks Change. I just committed the patch to trunk. Do you mind creating a patch for branch-2? The main conflict is on the test. > Make DataStreamer#block thread safe and verify genStamp in commitBlock > ---------------------------------------------------------------------- > > Key: HDFS-9289 > URL: https://issues.apache.org/jira/browse/HDFS-9289 > Project: Hadoop HDFS > Issue Type: Bug > Affects Versions: 2.7.1 > Reporter: Chang Li > Assignee: Chang Li > Priority: Critical > Attachments: HDFS-9289.1.patch, HDFS-9289.2.patch, HDFS-9289.3.patch, > HDFS-9289.4.patch, HDFS-9289.5.patch, HDFS-9289.6.patch, HDFS-9289.7.patch > > > we have seen a case of corrupt block which is caused by file complete after a > pipelineUpdate, but the file complete with the old block genStamp. This > caused the replicas of two datanodes in updated pipeline to be viewed as > corrupte. Propose to check genstamp when commit block -- This message was sent by Atlassian JIRA (v6.3.4#6332)