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HBase Forum

RS Shutdown

  • #12019

    Can you help me troubleshoot this error ? Could it be related to the issues reported earlier ?

    2012-11-12 16:56:40,020 INFO org.apache.hadoop.hdfs.DFSClient: Exception in createBlockOutputStream XX.XX.XX.104:50010 Too many open f
    2012-11-12 16:56:40,020 INFO org.apache.hadoop.hdfs.DFSClient: Abandoning block blk_-7735610519379550708_27883
    2012-11-12 16:56:40,020 INFO org.apache.hadoop.hdfs.DFSClient: Excluding datanode XX.XX.XX.104:50010
    2012-11-12 16:56:40,021 INFO org.apache.hadoop.hdfs.DFSClient: Exception in createBlockOutputStream Too many open f
    2012-11-12 16:56:40,021 INFO org.apache.hadoop.hdfs.DFSClient: Abandoning block blk_8200187085947614532_27883
    2012-11-12 16:56:40,021 INFO org.apache.hadoop.hdfs.DFSClient: Excluding datanode XX.XX.XX.103:50010
    2012-11-12 16:56:40,022 INFO org.apache.hadoop.hdfs.DFSClient: Exception in createBlockOutputStream Too many open f
    2012-11-12 16:56:40,022 INFO org.apache.hadoop.hdfs.DFSClient: Abandoning block blk_4829735829789842460_27883
    2012-11-12 16:56:40,023 INFO org.apache.hadoop.hdfs.DFSClient: Excluding datanode XX.XX.XX.105:50010
    2012-11-12 16:56:40,024 INFO org.apache.hadoop.hdfs.DFSClient: Exception in createBlockOutputStream Too many open f
    2012-11-12 16:56:40,024 INFO org.apache.hadoop.hdfs.DFSClient: Abandoning block blk_-3500893986757226670_27883
    2012-11-12 16:56:40,024 INFO org.apache.hadoop.hdfs.DFSClient: Excluding datanode XX.XX.XX.102:50010
    2012-11-12 16:56:40,024 WARN org.apache.hadoop.hdfs.DFSClient: DataStreamer Exception: Unable to create new block.
    at org.apache.hadoop.hdfs.DFSClient$DFSOutputStream.nextBlockOutputStream(
    at org.apache.hadoop.hdfs.DFSClient$DFSOutputStream.access$2600(
    at org.apache.hadoop.hdfs.DFSClient$DFSOutputStream$

    2012-11-12 16:56:40,024 WARN org.apache.hadoop.hdfs.DFSClient: Error Recovery for block blk_-3500893986757226670_27883 bad datanode[0] nodes == null
    2012-11-12 16:56:40,024 WARN org.apache.hadoop.hdfs.DFSClient: Could not get block locations. Source file “/apps/hbase/data/usertable/6dd2fdb4c038eeea8562515f89
    f083a8/.tmp/89dc1d0bd52540a2b3fff561140f43b4” – Aborting…
    2012-11-12 16:56:40,026 FATAL org.apache.hadoop.hbase.regionserver.HRegionServer: ABORTING region server XXXXXXXXXX, 60020,1352231477670: Replay of HLog required. Forcing server shutdown
    org.apache.hadoop.hbase.DroppedSnapshotException: region: usertable,user6089489121697188913,1352756918315.6dd2fdb4c038eeea8562515f89f083a8.

  • Author
  • #12020

    In the HB Master the following is reported:
    2012-11-12 16:56:40,020 ERROR org.apache.hadoop.hbase.master.HMaster: Region server ^@^,60020,1352231477670 reported a fatal error:
    ABORTING region server XXXXXXXXXXXXX,60020,1352231477670: Replay of HLog required. Forcing server shutdown
    org.apache.hadoop.hbase.DroppedSnapshotException: region: usertable,user6089489121697188913,1352756918315.6dd2fdb4c038eeea8562515f89f083a8.
    at org.apache.hadoop.hbase.regionserver.HRegion.internalFlushcache(
    at org.apache.hadoop.hbase.regionserver.HRegion.internalFlushcache(
    at org.apache.hadoop.hbase.regionserver.HRegion.flushcache(
    at org.apache.hadoop.hbase.regionserver.MemStoreFlusher.flushRegion(
    at org.apache.hadoop.hbase.regionserver.MemStoreFlusher.flushRegion(
    Caused by: Too many open files


    Hi Laurentiu,

    This looks like it is the same thing that is going on in your other post-



    I have re-run the tests after making the fixes outlined in the other posts and I have not issue again.


    Hi Laurentiu,

    Thanks for letting us know.


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