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  1. HBase
  2. HBASE-1302

When a new master comes up, regionservers should continue with their region assignments from the last master

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Details

    • Improvement
    • Status: Closed
    • Major
    • Resolution: Fixed
    • 0.20.0
    • 0.20.0
    • master, regionserver
    • None
    • Reviewed

    Description

      After HBASE-1205, we can now handle a master going down and coming up somewhere else. When this happens, the new master will scan everything and reassign all the regions, which is not ideal. Instead of doing that, we should keep the region assignments from the last master.

      Attachments

        1. hbase-1302-v1.patch
          14 kB
          Jean-Daniel Cryans
        2. hbase-1302-v2.patch
          15 kB
          Jean-Daniel Cryans
        3. hbase-1302-v3.patch
          15 kB
          Jean-Daniel Cryans

        Issue Links

          blocks

          Bug - A problem which impairs or prevents the functions of the product. HBASE-698 HLog recovery is not performed after master failure

          • Blocker - Blocks development and/or testing work, production could not run
          • Closed
          is related to

          Improvement - An improvement or enhancement to an existing feature or task. HBASE-1445 Add the ability to start a master from any machine

          • Critical - Crashes, loss of data, severe memory leak.
          • Closed

          Improvement - An improvement or enhancement to an existing feature or task. HBASE-1205 RegionServers should find new master when a new master comes up.

          • Major - Major loss of function.
          • Closed

          Activity

            People

              jdcryans Jean-Daniel Cryans
              nitay Nitay Joffe
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              Dates

                Created:
                Updated:
                Resolved: