[ https://issues.apache.org/jira/browse/HBASE-24574?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17149738#comment-17149738 ]
Michael Stack commented on HBASE-24574: --------------------------------------- Ouch. Just noticed hadn't pushed to branch-2.3. Just did it. > Procedure V2 - Distributed WAL Splitting => LOGGING > --------------------------------------------------- > > Key: HBASE-24574 > URL: https://issues.apache.org/jira/browse/HBASE-24574 > Project: HBase > Issue Type: Sub-task > Components: wal > Reporter: Michael Stack > Assignee: Michael Stack > Priority: Major > Fix For: 3.0.0-alpha-1, 2.3.0 > > > The procedure-based distributed WAL splitter uses the old SplitLogManager > class. It registers it as a chore even though the chore #run immediately > skips out. Meantime we log SLM ran in #0ms frequently. For example... > {code} > ... > 2020-06-17 17:48:30,567 DEBUG [localhost:16000.splitLogManager..Chore.1] > hbase.ScheduledChore: SplitLogManager Timeout Monitor execution time: 0 ms. > 2020-06-17 17:48:31,567 DEBUG [localhost:16000.splitLogManager..Chore.1] > hbase.ScheduledChore: SplitLogManager Timeout Monitor execution time: 0 ms. > 2020-06-17 17:48:32,570 DEBUG [localhost:16000.splitLogManager..Chore.1] > hbase.ScheduledChore: SplitLogManager Timeout Monitor execution time: 0 ms. > 2020-06-17 17:48:33,567 DEBUG [localhost:16000.splitLogManager..Chore.1] > hbase.ScheduledChore: SplitLogManager Timeout Monitor execution time: 0 ms. > 2020-06-17 17:48:34,569 DEBUG [localhost:16000.splitLogManager..Chore.1] > hbase.ScheduledChore: SplitLogManager Timeout Monitor execution time: 0 ms. > 2020-06-17 17:48:35,569 DEBUG [localhost:16000.splitLogManager..Chore.1] > hbase.ScheduledChore: SplitLogManager Timeout Monitor execution time: 0 ms. > 2020-06-17 17:48:36,568 DEBUG [localhost:16000.splitLogManager..Chore.1] > hbase.ScheduledChore: SplitLogManager Timeout Monitor execution time: 0 ms. > ... > {code} > The new pv2 WAL splitter introduces new procedures that log their class name > only w/o detail on log that is being split or the server that is running the > split. -- This message was sent by Atlassian Jira (v8.3.4#803005)