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  1. HBase
  2. HBASE-20828 Finish-up AMv2 Design/List of Tenets/Specification of operation
  3. HBASE-21217

Revisit the executeProcedure method for open/close region

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Details

    • Sub-task
    • Status: Resolved
    • Critical
    • Resolution: Fixed
    • None
    • 3.0.0-alpha-1, 2.2.0
    • amv2, proc-v2
    • None
    • Reviewed

    Description

      Currently we just call openRegion and closeRegion directly, which is a bit buggy. For example, in order to not fail all the open region requests while there is only one failure, we will catch the exception and set a flag in the return value. But for executeProcedures call, the return value will be ignored, and we expect the openRegion method will always call reportRegionStateTransition to report the failure but in fact it does not...

      And after HBASE-20881, we can confirm that the race could happen, where we send a close request to a region which is opening(HBASE-21199), and vice visa. So I think here we need to revisit the implementation of executeProcedures to make it more stable.

      Attachments

        1. HBASE-21217.patch
          40 kB
          Duo Zhang
        2. HBASE-21217-v1.patch
          42 kB
          Duo Zhang
        3. HBASE-21217-v2.patch
          46 kB
          Duo Zhang

        Issue Links

          contains

          Sub-task - The sub-task of the issue HBASE-21199 Race in region opening and load balancing can cause region stuck in RIT

          • Critical - Crashes, loss of data, severe memory leak.
          • Resolved
          relates to

          Sub-task - The sub-task of the issue HBASE-21226 Revisit the close region related code at RS side

          • Major - Major loss of function.
          • Open

          Sub-task - The sub-task of the issue HBASE-21237 Use CompatRemoteProcedureResolver to dispatch open/close region requests to RS

          • Blocker - Blocks development and/or testing work, production could not run
          • Resolved

          Sub-task - The sub-task of the issue HBASE-21227 Implement exponential retrying backoff for Assign/UnassignRegionHandler introduced in HBASE-21217

          • Major - Major loss of function.
          • Resolved
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              zhangduo Duo Zhang
              zhangduo Duo Zhang
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              Dates

                Created:
                Updated:
                Resolved: