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  1. HBase
  2. HBASE-23668

Master log start filling with "Flush journal status" messages

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      Takes a while to get into this condition. Not each to tell how because all logs have rolled off and I only have logs filled w/ below:

      2020-01-09 07:01:01,723 DEBUG org.apache.hadoop.hbase.regionserver.HRegion: Flush status journal:
      	Acquiring readlock on region at 1578553261723
      	Flush successful flush result:CANNOT_FLUSH_MEMSTORE_EMPTY, failureReason:Nothing to flush,flush seq id45226854 at 1578553261723
      2020-01-09 07:01:01,723 DEBUG org.apache.hadoop.hbase.regionserver.HRegion: Flush status journal:
      	Acquiring readlock on region at 1578553261723
      	Flush successful flush result:CANNOT_FLUSH_MEMSTORE_EMPTY, failureReason:Nothing to flush,flush seq id45226855 at 1578553261723
      2020-01-09 07:01:01,723 DEBUG org.apache.hadoop.hbase.regionserver.HRegion: Flush status journal:
      	Acquiring readlock on region at 1578553261723
      	Flush successful flush result:CANNOT_FLUSH_MEMSTORE_EMPTY, failureReason:Nothing to flush,flush seq id45226856 at 1578553261723
      2020-01-09 07:01:01,723 DEBUG org.apache.hadoop.hbase.regionserver.HRegion: Flush status journal:
      	Acquiring readlock on region at 1578553261723
      	Flush successful flush result:CANNOT_FLUSH_MEMSTORE_EMPTY, failureReason:Nothing to flush,flush seq id45226857 at 1578553261723
      

      ... I added the printing of flushresult... i.e. cannot flush because store is empty.

      Digging.

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            • Assignee:
              stack Michael Stack
              Reporter:
              stack Michael Stack
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