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  1. Hive
  2. HIVE-17275

Auto-merge fails on writes of UNION ALL output to ORC file with dynamic partitioning

    Details

    • Type: Bug
    • Status: Closed
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: 2.2.0
    • Fix Version/s: 3.0.0, 2.4.0, 2.2.1
    • Component/s: Query Processor
    • Labels:
      None

      Description

      If dynamic partitioning is used to write the output of UNION or UNION ALL queries into ORC files with hive.merge.tezfiles=true, the merge step fails as follows:

      2017-08-08T11:27:19,958 ERROR [e7b1f06d-d632-408a-9dff-f7ae042cd25a main] SessionState: Vertex failed, vertexName=File Merge, vertexId=vertex_1502216690354_0001_33_00, diagnostics=[Task failed, taskId=task_1502216690354_0001_33_00_000000, diagnostics=[TaskAttempt 0 failed, info=[Error: Error while running task ( failure ) : attempt_1502216690354_0001_33_00_000000_0:java.lang.RuntimeException: java.lang.RuntimeException: org.apache.hadoop.hive.ql.metadata.HiveException: java.io.IOException: Multiple partitions for one merge mapper: hdfs://localhost:39943/build/ql/test/data/warehouse/partunion1/.hive-staging_hive_2017-08-08_11-27-09_105_286405133968521828-1/-ext-10002/part1=2014/1 NOT EQUAL TO hdfs://localhost:39943/build/ql/test/data/warehouse/partunion1/.hive-staging_hive_2017-08-08_11-27-09_105_286405133968521828-1/-ext-10002/part1=2014/2
        at org.apache.hadoop.hive.ql.exec.tez.TezProcessor.initializeAndRunProcessor(TezProcessor.java:211)
        at org.apache.hadoop.hive.ql.exec.tez.MergeFileTezProcessor.run(MergeFileTezProcessor.java:42)
        at org.apache.tez.runtime.LogicalIOProcessorRuntimeTask.run(LogicalIOProcessorRuntimeTask.java:370)
        at org.apache.tez.runtime.task.TaskRunner2Callable$1.run(TaskRunner2Callable.java:73)
        at org.apache.tez.runtime.task.TaskRunner2Callable$1.run(TaskRunner2Callable.java:61)
        at java.security.AccessController.doPrivileged(Native Method)
        at javax.security.auth.Subject.doAs(Subject.java:422)
        at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1807)
        at org.apache.tez.runtime.task.TaskRunner2Callable.callInternal(TaskRunner2Callable.java:61)
        at org.apache.tez.runtime.task.TaskRunner2Callable.callInternal(TaskRunner2Callable.java:37)
        at org.apache.tez.common.CallableWithNdc.call(CallableWithNdc.java:36)
        at java.util.concurrent.FutureTask.run(FutureTask.java:266)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:745)
      Caused by: java.lang.RuntimeException: org.apache.hadoop.hive.ql.metadata.HiveException: java.io.IOException: Multiple partitions for one merge mapper: hdfs://localhost:39943/build/ql/test/data/warehouse/partunion1/.hive-staging_hive_2017-08-08_11-27-09_105_286405133968521828-1/-ext-10002/part1=2014/1 NOT EQUAL TO hdfs://localhost:39943/build/ql/test/data/warehouse/partunion1/.hive-staging_hive_2017-08-08_11-27-09_105_286405133968521828-1/-ext-10002/part1=2014/2
        at org.apache.hadoop.hive.ql.exec.tez.MergeFileRecordProcessor.processRow(MergeFileRecordProcessor.java:225)
        at org.apache.hadoop.hive.ql.exec.tez.MergeFileRecordProcessor.run(MergeFileRecordProcessor.java:154)
        at org.apache.hadoop.hive.ql.exec.tez.TezProcessor.initializeAndRunProcessor(TezProcessor.java:185)
        ... 14 more
      Caused by: org.apache.hadoop.hive.ql.metadata.HiveException: java.io.IOException: Multiple partitions for one merge mapper: hdfs://localhost:39943/build/ql/test/data/warehouse/partunion1/.hive-staging_hive_2017-08-08_11-27-09_105_286405133968521828-1/-ext-10002/part1=2014/1 NOT EQUAL TO hdfs://localhost:39943/build/ql/test/data/warehouse/partunion1/.hive-staging_hive_2017-08-08_11-27-09_105_286405133968521828-1/-ext-10002/part1=2014/2
        at org.apache.hadoop.hive.ql.exec.OrcFileMergeOperator.processKeyValuePairs(OrcFileMergeOperator.java:169)
        at org.apache.hadoop.hive.ql.exec.OrcFileMergeOperator.process(OrcFileMergeOperator.java:72)
        at org.apache.hadoop.hive.ql.exec.tez.MergeFileRecordProcessor.processRow(MergeFileRecordProcessor.java:216)
        ... 16 more
      Caused by: java.io.IOException: Multiple partitions for one merge mapper: hdfs://localhost:39943/build/ql/test/data/warehouse/partunion1/.hive-staging_hive_2017-08-08_11-27-09_105_286405133968521828-1/-ext-10002/part1=2014/1 NOT EQUAL TO hdfs://localhost:39943/build/ql/test/data/warehouse/partunion1/.hive-staging_hive_2017-08-08_11-27-09_105_286405133968521828-1/-ext-10002/part1=2014/2
        at org.apache.hadoop.hive.ql.exec.AbstractFileMergeOperator.checkPartitionsMatch(AbstractFileMergeOperator.java:180)
        at org.apache.hadoop.hive.ql.exec.AbstractFileMergeOperator.fixTmpPath(AbstractFileMergeOperator.java:197)
        at org.apache.hadoop.hive.ql.exec.OrcFileMergeOperator.processKeyValuePairs(OrcFileMergeOperator.java:96)
        ... 18 more
      

        Attachments

        1. HIVE-17275.2-branch-2.2.patch
          10 kB
          Chris Drome
        2. HIVE-17275.2-branch-2.patch
          13 kB
          Chris Drome
        3. HIVE-17275.2.patch
          13 kB
          Chris Drome
        4. HIVE-17275-branch-2.2.patch
          11 kB
          Chris Drome
        5. HIVE-17275-branch-2.patch
          10 kB
          Chris Drome
        6. HIVE-17275.patch
          10 kB
          Chris Drome

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            People

            • Assignee:
              cdrome Chris Drome
              Reporter:
              cdrome Chris Drome
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              Dates

              • Created:
                Updated:
                Resolved: