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ASF GitHub Bot logged work on HDFS-16513: ----------------------------------------- Author: ASF GitHub Bot Created on: 14/Apr/22 01:48 Start Date: 14/Apr/22 01:48 Worklog Time Spent: 10m Work Description: tomscut commented on PR #4087: URL: https://github.com/apache/hadoop/pull/4087#issuecomment-1098630345 Thank you @xkrogen for your detailed explanation. I left out some information. You are right. I thought it was ANN automatic rolledits feature first, then discuss whether to let SNN trigger ANN to rolledits. I got the order of the two wrong. And I thought that "if the active NN is not rolling its logs periodically" meant that the configuration cycle is very large, or that EditLogTailerThread exits because of some UnknowException. As a result, ANN cannot normally roll its logs. Let SNN trigger ANN to roll edits, just to add another layer of assurance. I made a mistake here. Issue Time Tracking ------------------- Worklog Id: (was: 756801) Time Spent: 2h 50m (was: 2h 40m) > [SBN read] Observer Namenode should not trigger the edits rolling of active > Namenode > ------------------------------------------------------------------------------------ > > Key: HDFS-16513 > URL: https://issues.apache.org/jira/browse/HDFS-16513 > Project: Hadoop HDFS > Issue Type: Improvement > Reporter: tomscut > Assignee: tomscut > Priority: Major > Labels: pull-request-available > Time Spent: 2h 50m > Remaining Estimate: 0h > > To avoid frequent edtis rolling, we should disable OBN from triggering the > edits rolling of active Namenode. > It is sufficient to retain only the triggering of SNN and the auto rolling of > ANN. -- This message was sent by Atlassian Jira (v8.20.1#820001) --------------------------------------------------------------------- To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org