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https://issues.apache.org/jira/browse/HIVE-21332?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16779824#comment-16779824
]
Ashutosh Chauhan commented on HIVE-21332:
-----------------------------------------
+1
> Cache Purge command does purge the in-use buffer.
> -------------------------------------------------
>
> Key: HIVE-21332
> URL: https://issues.apache.org/jira/browse/HIVE-21332
> Project: Hive
> Issue Type: Bug
> Reporter: slim bouguerra
> Assignee: slim bouguerra
> Priority: Major
> Attachments: HIVE-21332.patch
>
>
> Cache Purge command, is purging what is not suppose to evict.
> This can lead to unrecoverable state.
> {code}
> TaskAttempt 3 failed, info=[Error: Error while running task ( failure ) :
> attempt_1545278897356_0093_27_00_000001_3:java.lang.RuntimeException:
> org.apache.hadoop.hive.ql.metadata.HiveException: java.io.IOException:
> java.io.IOException:
> org.apache.hadoop.hive.common.io.Allocator$AllocatorOutOfMemoryException:
> Failed to allocate 32768; at 0 out of 1 (entire cache is fragmented and
> locked, or an internal issue)
> at
> org.apache.hadoop.hive.ql.exec.tez.TezProcessor.initializeAndRunProcessor(TezProcessor.java:296)
> at org.apache.hadoop.hive.ql.exec.tez.TezProcessor.run(TezProcessor.java:250)
> at
> org.apache.tez.runtime.LogicalIOProcessorRuntimeTask.run(LogicalIOProcessorRuntimeTask.java:374)
> at
> org.apache.tez.runtime.task.TaskRunner2Callable$1.run(TaskRunner2Callable.java:73)
> at
> org.apache.tez.runtime.task.TaskRunner2Callable$1.run(TaskRunner2Callable.java:61)
> at java.security.AccessController.doPrivileged(Native Method)
> at javax.security.auth.Subject.doAs(Subject.java:422)
> at
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1688)
> at
> org.apache.tez.runtime.task.TaskRunner2Callable.callInternal(TaskRunner2Callable.java:61)
> at
> org.apache.tez.runtime.task.TaskRunner2Callable.callInternal(TaskRunner2Callable.java:37)
> at org.apache.tez.common.CallableWithNdc.call(CallableWithNdc.java:36)
> at
> org.apache.hadoop.hive.llap.daemon.impl.StatsRecordingThreadPool$WrappedCallable.call(StatsRecordingThreadPool.java:110)
> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> at java.lang.Thread.run(Thread.java:745)
> Caused by: org.apache.hadoop.hive.ql.metadata.HiveException:
> java.io.IOException: java.io.IOException:
> org.apache.hadoop.hive.common.io.Allocator$AllocatorOutOfMemoryException:
> Failed to allocate 32768; at 0 out of 1 (entire cache is fragmented and
> locked, or an internal issue)
> at
> org.apache.hadoop.hive.ql.exec.tez.MapRecordSource.pushRecord(MapRecordSource.java:80)
> at
> org.apache.hadoop.hive.ql.exec.tez.MapRecordProcessor.run(MapRecordProcessor.java:426)
> at
> org.apache.hadoop.hive.ql.exec.tez.TezProcessor.initializeAndRunProcessor(TezProcessor.java:267)
> ... 15 more
> Caused by: java.io.IOException: java.io.IOException:
> org.apache.hadoop.hive.common.io.Allocator$AllocatorOutOfMemoryException:
> Failed to allocate 32768; at 0 out of 1 (entire cache is fragmented and
> locked, or an internal issue)
> at
> org.apache.hadoop.hive.io.HiveIOExceptionHandlerChain.handleRecordReaderNextException(HiveIOExceptionHandlerChain.java:121)
> at
> org.apache.hadoop.hive.io.HiveIOExceptionHandlerUtil.handleRecordReaderNextException(HiveIOExceptionHandlerUtil.java:77)
> at
> org.apache.hadoop.hive.ql.io.HiveContextAwareRecordReader.doNext(HiveContextAwareRecordReader.java:365)
> at
> org.apache.hadoop.hive.ql.io.HiveRecordReader.doNext(HiveRecordReader.java:79)
> at
> org.apache.hadoop.hive.ql.io.HiveRecordReader.doNext(HiveRecordReader.java:33)
> at
> org.apache.hadoop.hive.ql.io.HiveContextAwareRecordReader.next(HiveContextAwareRecordReader.java:116)
> at
> org.apache.hadoop.mapred.split.TezGroupedSplitsInputFormat$TezGroupedSplitsRecordReader.next(TezGroupedSplitsInputFormat.java:151)
> at org.apache.tez.mapreduce.lib.MRReaderMapred.next(MRReaderMapred.java:116)
> at
> org.apache.hadoop.hive.ql.exec.tez.MapRecordSource.pushRecord(MapRecordSource.java:68)
> ... 17 more
> Caused by: java.io.IOException:
> org.apache.hadoop.hive.common.io.Allocator$AllocatorOutOfMemoryException:
> Failed to allocate 32768; at 0 out of 1 (entire cache is fragmented and
> locked, or an internal issue)
> at
> org.apache.hadoop.hive.ql.io.orc.encoded.EncodedReaderImpl.readEncodedColumns(EncodedReaderImpl.java:513)
> at
> org.apache.hadoop.hive.llap.io.encoded.OrcEncodedDataReader.performDataRead(OrcEncodedDataReader.java:407)
> at
> org.apache.hadoop.hive.llap.io.encoded.OrcEncodedDataReader$4.run(OrcEncodedDataReader.java:266)
> at
> org.apache.hadoop.hive.llap.io.encoded.OrcEncodedDataReader$4.run(OrcEncodedDataReader.java:263)
> at java.security.AccessController.doPrivileged(Native Method)
> at javax.security.auth.Subject.doAs(Subject.java:422)
> at
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1688)
> at
> org.apache.hadoop.hive.llap.io.encoded.OrcEncodedDataReader.callInternal(OrcEncodedDataReader.java:263)
> at
> org.apache.hadoop.hive.llap.io.encoded.OrcEncodedDataReader.callInternal(OrcEncodedDataReader.java:110)
> ... 6 more
> Caused by:
> org.apache.hadoop.hive.common.io.Allocator$AllocatorOutOfMemoryException:
> Failed to allocate 32768; at 0 out of 1 (entire cache is fragmented and
> locked, or an internal issue)
> at
> org.apache.hadoop.hive.llap.cache.BuddyAllocator.allocateMultiple(BuddyAllocator.java:358)
> at
> org.apache.hadoop.hive.ql.io.orc.encoded.EncodedReaderImpl.allocateMultiple(EncodedReaderImpl.java:1295)
> at
> org.apache.hadoop.hive.ql.io.orc.encoded.EncodedReaderImpl.readEncodedStream(EncodedReaderImpl.java:923)
> {code}
> To reproduce this, set the LRFU policy to LRU (lambda = 1), then purge the
> cache after running some queries that fills the cache.
> The only way to recover is to restart LLAP.
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