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Thanh Do commented on HDFS-1350: -------------------------------- Sam, can you explain what do you mean by "gracefully shutdown", and "clean shutdowns on DataXceiver threads". If we don't do a clean shut down, client will trigger a pipeline recovery and exclude that data node, and isn't this still fine. Thanks > make datanodes do graceful shutdown > ----------------------------------- > > Key: HDFS-1350 > URL: https://issues.apache.org/jira/browse/HDFS-1350 > Project: Hadoop HDFS > Issue Type: Improvement > Components: data-node > Reporter: sam rash > Assignee: sam rash > > we found that the Datanode doesn't do a graceful shutdown and a block can be > corrupted (data + checksum amounts off) > we can make the DN do a graceful shutdown in case there are open files. if > this presents a problem to a timely shutdown, we can make a it a parameter of > how long to wait for the full graceful shutdown before just exiting -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.