Uploaded image for project: 'HBase'
  1. HBase
  2. HBASE-20610 Procedure V2 - Distributed Log Splitting
  3. HBASE-24574

Procedure V2 - Distributed WAL Splitting => LOGGING

VotersWatch issueWatchersLinkCloneUpdate Comment AuthorReplace String in CommentUpdate Comment VisibilityDelete Comments
    XMLWordPrintableJSON

Details

    • Sub-task
    • Status: Resolved
    • Major
    • Resolution: Fixed
    • None
    • 3.0.0-alpha-1, 2.3.0
    • wal
    • None
    • Reviewed

    Description

      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...

      ...
      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.
      ...
      

      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.

      Attachments

        Issue Links

        Activity

          This comment will be Viewable by All Users Viewable by All Users
          Cancel

          People

            stack Michael Stack
            stack Michael Stack
            Votes:
            0 Vote for this issue
            Watchers:
            3 Start watching this issue

            Dates

              Created:
              Updated:
              Resolved:

              Issue deployment