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Jason Dere commented on HIVE-15700: ----------------------------------- failures not related > BytesColumnVector can get stuck trying to resize byte buffer > ------------------------------------------------------------ > > Key: HIVE-15700 > URL: https://issues.apache.org/jira/browse/HIVE-15700 > Project: Hive > Issue Type: Bug > Components: Vectorization > Reporter: Jason Dere > Assignee: Jason Dere > Attachments: HIVE-15700.1.patch, HIVE-15700.2.patch, > HIVE-15700.3.patch, HIVE-15700.4.patch > > > While looking at HIVE-15698, hit an issue where one of the reducers was stuck > in the following stack trace: > {noformat} > Thread 12735: (state = IN_JAVA) > - > org.apache.hadoop.hive.ql.exec.vector.BytesColumnVector.increaseBufferSpace(int) > @bci=22, line=245 (Compiled frame; information may be imprecise) > - org.apache.hadoop.hive.ql.exec.vector.BytesColumnVector.setVal(int, > byte[], int, int) @bci=18, line=150 (Interpreted frame) > - > org.apache.hadoop.hive.ql.exec.vector.VectorDeserializeRow.storeRowColumn(org.apache.hadoop.hive.ql.exec.vector.VectorizedRowBatch, > int, int, boolean) @bci=536, line=442 (Compiled frame) > - > org.apache.hadoop.hive.ql.exec.vector.VectorDeserializeRow.deserialize(org.apache.hadoop.hive.ql.exec.vector.VectorizedRowBatch, > int) @bci=110, line=761 (Interpreted frame) > - > org.apache.hadoop.hive.ql.exec.tez.ReduceRecordSource.processVectorGroup(org.apache.hadoop.io.BytesWritable, > java.lang.Iterable, byte) @bci=184, line=444 (Interpreted frame) > - org.apache.hadoop.hive.ql.exec.tez.ReduceRecordSource.pushRecordVector() > @bci=119, line=388 (Interpreted frame) > - org.apache.hadoop.hive.ql.exec.tez.ReduceRecordSource.pushRecord() @bci=8, > line=239 (Interpreted frame) > - org.apache.hadoop.hive.ql.exec.tez.ReduceRecordProcessor.run() @bci=124, > line=319 (Interpreted frame) > - > org.apache.hadoop.hive.ql.exec.tez.TezProcessor.initializeAndRunProcessor(java.util.Map, > java.util.Map) @bci=30, line=185 (Interpreted frame) > - org.apache.hadoop.hive.ql.exec.tez.TezProcessor.run(java.util.Map, > java.util.Map) @bci=159, line=168 (Interpreted frame) > - org.apache.tez.runtime.LogicalIOProcessorRuntimeTask.run() @bci=65, > line=370 (Interpreted frame) > - org.apache.tez.runtime.task.TaskRunner2Callable$1.run() @bci=133, line=73 > (Interpreted frame) > - org.apache.tez.runtime.task.TaskRunner2Callable$1.run() @bci=1, line=61 > (Interpreted frame) > - > java.security.AccessController.doPrivileged(java.security.PrivilegedExceptionAction, > java.security.AccessControlContext) @bci=0 (Compiled frame) > - javax.security.auth.Subject.doAs(javax.security.auth.Subject, > java.security.PrivilegedExceptionAction) @bci=42, line=422 (Interpreted frame) > - > org.apache.hadoop.security.UserGroupInformation.doAs(java.security.PrivilegedExceptionAction) > @bci=14, line=1724 (Interpreted frame) > - org.apache.tez.runtime.task.TaskRunner2Callable.callInternal() @bci=38, > line=61 (Interpreted frame) > - org.apache.tez.runtime.task.TaskRunner2Callable.callInternal() @bci=1, > line=37 (Interpreted frame) > - org.apache.tez.common.CallableWithNdc.call() @bci=8, line=36 (Interpreted > frame) > - java.util.concurrent.FutureTask.run() @bci=42, line=266 (Interpreted frame) > - > java.util.concurrent.ThreadPoolExecutor.runWorker(java.util.concurrent.ThreadPoolExecutor$Worker) > @bci=95, line=1142 (Interpreted frame) > - java.util.concurrent.ThreadPoolExecutor$Worker.run() @bci=5, line=617 > (Interpreted frame) > - java.lang.Thread.run() @bci=11, line=745 (Interpreted frame) > {noformat} > The reducer's input was 167 9MB binary values coming from the previous map > job. Per [~gopalv] the BytesColumnVector is stuck trying to reallocate/copy > all of these values into the same memory buffer. -- This message was sent by Atlassian JIRA (v6.3.15#6346)