Chris Drome created HIVE-17275:
----------------------------------
Summary: Auto-merge fails on writes of UNION ALL output to ORC
file with dynamic partitioning
Key: HIVE-17275
URL: https://issues.apache.org/jira/browse/HIVE-17275
Project: Hive
Issue Type: Bug
Components: Query Processor
Affects Versions: 2.2.0
Reporter: Chris Drome
Assignee: Chris Drome
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:
{noformat}
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
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