Rajesh Balamohan created HIVE-12552: ---------------------------------------
Summary: Wrong number of reducer estimation causing job to fail Key: HIVE-12552 URL: https://issues.apache.org/jira/browse/HIVE-12552 Project: Hive Issue Type: Bug Reporter: Rajesh Balamohan Attachments: 6_plan.txt {noformat} ], TaskAttempt 3 failed, info=[Error: Failure while running task: attempt_1448429572030_1812_1_03_000029_3:java.lang.RuntimeException: java.lang.RuntimeException: Hive Runtime Error while closing operators: java.io.IOException: Illegal partition for 01 6c 6f 61 6e 20 61 63 63 6f 75 6e 74 00 01 80 1f e1 d7 ff (-1) at org.apache.hadoop.hive.ql.exec.tez.TezProcessor.initializeAndRunProcessor(TezProcessor.java:195) at org.apache.hadoop.hive.ql.exec.tez.TezProcessor.run(TezProcessor.java:160) at org.apache.tez.runtime.LogicalIOProcessorRuntimeTask.run(LogicalIOProcessorRuntimeTask.java:348) at org.apache.tez.runtime.task.TaskRunner2Callable$1.run(TaskRunner2Callable.java:71) at org.apache.tez.runtime.task.TaskRunner2Callable$1.run(TaskRunner2Callable.java:60) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAs(Subject.java:422) at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657) at org.apache.tez.runtime.task.TaskRunner2Callable.callInternal(TaskRunner2Callable.java:60) at org.apache.tez.runtime.task.TaskRunner2Callable.callInternal(TaskRunner2Callable.java:35) at org.apache.tez.common.CallableWithNdc.call(CallableWithNdc.java:36) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745) Caused by: java.lang.RuntimeException: Hive Runtime Error while closing operators: java.io.IOException: Illegal partition for 01 6c 6f 61 6e 20 61 63 63 6f 75 6e 74 00 01 80 1f e1 d7 ff (-1) at org.apache.hadoop.hive.ql.exec.tez.ReduceRecordProcessor.close(ReduceRecordProcessor.java:341) at org.apache.hadoop.hive.ql.exec.tez.TezProcessor.initializeAndRunProcessor(TezProcessor.java:186) ... 14 more Caused by: org.apache.hadoop.hive.ql.metadata.HiveException: java.io.IOException: Illegal partition for 01 6c 6f 61 6e 20 61 63 63 6f 75 6e 74 00 01 80 1f e1 d7 ff (-1) at org.apache.hadoop.hive.ql.exec.ReduceSinkOperator.process(ReduceSinkOperator.java:402) at org.apache.hadoop.hive.ql.exec.Operator.forward(Operator.java:852) at org.apache.hadoop.hive.ql.exec.vector.VectorGroupByOperator.writeSingleRow(VectorGroupByOperator.java:904) at org.apache.hadoop.hive.ql.exec.vector.VectorGroupByOperator.access$400(VectorGroupByOperator.java:59) at org.apache.hadoop.hive.ql.exec.vector.VectorGroupByOperator$ProcessingModeHashAggregate.flush(VectorGroupByOperator.java:469) at org.apache.hadoop.hive.ql.exec.vector.VectorGroupByOperator$ProcessingModeHashAggregate.close(VectorGroupByOperator.java:375) at org.apache.hadoop.hive.ql.exec.vector.VectorGroupByOperator.closeOp(VectorGroupByOperator.java:950) at org.apache.hadoop.hive.ql.exec.Operator.close(Operator.java:656) at org.apache.hadoop.hive.ql.exec.Operator.close(Operator.java:670) at org.apache.hadoop.hive.ql.exec.Operator.close(Operator.java:670) at org.apache.hadoop.hive.ql.exec.tez.ReduceRecordProcessor.close(ReduceRecordProcessor.java:318) ... 15 more Caused by: java.io.IOException: Illegal partition for 01 6c 6f 61 6e 20 61 63 63 6f 75 6e 74 00 01 80 1f e1 d7 ff (-1) at org.apache.tez.runtime.library.common.sort.impl.PipelinedSorter.collect(PipelinedSorter.java:379) at org.apache.tez.runtime.library.common.sort.impl.PipelinedSorter.write(PipelinedSorter.java:357) at org.apache.tez.runtime.library.output.OrderedPartitionedKVOutput$1.write(OrderedPartitionedKVOutput.java:163) at org.apache.hadoop.hive.ql.exec.tez.TezProcessor$TezKVOutputCollector.collect(TezProcessor.java:232) at org.apache.hadoop.hive.ql.exec.ReduceSinkOperator.collect(ReduceSinkOperator.java:538) at org.apache.hadoop.hive.ql.exec.ReduceSinkOperator.process(ReduceSinkOperator.java:385) ... 25 more ]], Vertex did not succeed due to OWN_TASK_FAILURE, failedTasks:1 killedTasks:277, Vertex vertex_1448429572030_1812_1_03 [Reducer 2] killed/failed due to:OWN_TASK_FAILURE]DAG did not succeed due to VERTEX_FAILURE. failedVertices:1 killedVertices:0 {noformat} Env: master branch. Map 1 <- Map 4 (BROADCAST_EDGE) Reducer 2 <- Map 1 (CUSTOM_SIMPLE_EDGE), Map 5 (CUSTOM_SIMPLE_EDGE) Reducer 3 <- Reducer 2 (SIMPLE_EDGE) set hive.tez.max.partition.factor=0.5f; This causes "Reducer 3" to have 0 tasks, causing the job to fail after reducer 2. Will attach the plan and screenshot shortly -- This message was sent by Atlassian JIRA (v6.3.4#6332)