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Hemanth Boyina commented on HDFS-15569: --------------------------------------- One solution can be rename the current directory to current.tmp directory and delete the current.tmp in parallel , as the current directory doesn't exists now datanode upgrade can be proceeded > Speed up the Storage#doRecover during datanode rolling upgrade > --------------------------------------------------------------- > > Key: HDFS-15569 > URL: https://issues.apache.org/jira/browse/HDFS-15569 > Project: Hadoop HDFS > Issue Type: Improvement > Reporter: Hemanth Boyina > Assignee: Hemanth Boyina > Priority: Major > > When upgrading datanode from hadoop 2.7.2 to 3.1.1 , because of jvm not > having enough memory upgrade failed , Adjusted memory configurations and re > upgraded datanode , > Now datanode upgrade has taken more time , on analyzing found that > Storage#deleteDir has taken more time in Recover_Upgrade state -- This message was sent by Atlassian Jira (v8.3.4#803005) --------------------------------------------------------------------- To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org