LiuGuH commented on PR #6244: URL: https://github.com/apache/hadoop/pull/6244#issuecomment-1812047817
>the only place FBR creates problem is at NN side DN side heartbeat will be blocked untils fbr finished , with large cold data storage disk in one datanode. INFO org.apache.hadoop.hdfs.server.datanode.DataNode: Successfully sentblock report 0x587d5aa72264fafd with lease ID 0x979291640945f56 to namenode: ****:8020, containing 42 storage report(s), of which we sent 42. The reports had 15093613 total blocks and used 42 RPC(s). >earlier only IBR was under lock or what? what case was the earlier lock solving? With [HDFS-16016](https://issues.apache.org/jira/browse/HDFS-16016) , only IBR was under lock to guarantee ibr atomicity. Thanks. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: common-issues-unsubscr...@hadoop.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: common-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: common-issues-h...@hadoop.apache.org