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Posted to dev@hive.apache.org by "Prasanth J (JIRA)" <ji...@apache.org> on 2013/10/04 01:10:42 UTC
[jira] [Commented] (HIVE-5235) Infinite loop with ORC file and Hive
0.11
[ https://issues.apache.org/jira/browse/HIVE-5235?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13785663#comment-13785663 ]
Prasanth J commented on HIVE-5235:
----------------------------------
Hi Pere
Are you using generated dataset? If so can you please upload the data generation script?
If any query that scans the whole table fails then it may be because ORC file itself is corrupted. It will be much easier to have the data instead of ORC file to reproduce this issue.
> Infinite loop with ORC file and Hive 0.11
> -----------------------------------------
>
> Key: HIVE-5235
> URL: https://issues.apache.org/jira/browse/HIVE-5235
> Project: Hive
> Issue Type: Bug
> Affects Versions: 0.11.0
> Environment: Gentoo linux with Hortonworks Hadoop hadoop-1.1.2.23.tar.gz and Apache Hive 0.11d
> Reporter: Iván de Prado
> Priority: Blocker
>
> We are using Hive 0.11 with ORC file format and we get some tasks blocked in some kind of infinite loop. They keep working indefinitely when we set a huge task expiry timeout. If we the expiry time to 600 second, the taks fail because of not reporting progress, and finally, the Job fails.
> That is not consistent, and some times between jobs executions the behavior changes. It happen for different queries.
> We are using Hive 0.11 with Hadoop hadoop-1.1.2.23 from Hortonworks. The taks that is blocked keeps consuming 100% of CPU usage, and the stack trace is always the same consistently. Everything points to some kind of infinite loop. My guessing is that it has some relation to the ORC file. Maybe some pointer is not right when writing generating some kind of infinite loop when reading. Or maybe there is a bug in the reading stage.
> More information below. The stack trace:
> {noformat}
> "main" prio=10 tid=0x00007f20a000a800 nid=0x1ed2 runnable [0x00007f20a8136000]
> java.lang.Thread.State: RUNNABLE
> at java.util.zip.Inflater.inflateBytes(Native Method)
> at java.util.zip.Inflater.inflate(Inflater.java:256)
> - locked <0x00000000f42a6ca0> (a java.util.zip.ZStreamRef)
> at org.apache.hadoop.hive.ql.io.orc.ZlibCodec.decompress(ZlibCodec.java:64)
> at org.apache.hadoop.hive.ql.io.orc.InStream$CompressedStream.readHeader(InStream.java:128)
> at org.apache.hadoop.hive.ql.io.orc.InStream$CompressedStream.read(InStream.java:143)
> at org.apache.hadoop.hive.ql.io.orc.SerializationUtils.readVulong(SerializationUtils.java:54)
> at org.apache.hadoop.hive.ql.io.orc.SerializationUtils.readVslong(SerializationUtils.java:65)
> at org.apache.hadoop.hive.ql.io.orc.RunLengthIntegerReader.readValues(RunLengthIntegerReader.java:66)
> at org.apache.hadoop.hive.ql.io.orc.RunLengthIntegerReader.next(RunLengthIntegerReader.java:81)
> at org.apache.hadoop.hive.ql.io.orc.RecordReaderImpl$IntTreeReader.next(RecordReaderImpl.java:332)
> at org.apache.hadoop.hive.ql.io.orc.RecordReaderImpl$StructTreeReader.next(RecordReaderImpl.java:802)
> at org.apache.hadoop.hive.ql.io.orc.RecordReaderImpl.next(RecordReaderImpl.java:1214)
> at org.apache.hadoop.hive.ql.io.orc.OrcInputFormat$OrcRecordReader.next(OrcInputFormat.java:71)
> at org.apache.hadoop.hive.ql.io.orc.OrcInputFormat$OrcRecordReader.next(OrcInputFormat.java:46)
> at org.apache.hadoop.hive.ql.io.HiveContextAwareRecordReader.doNext(HiveContextAwareRecordReader.java:274)
> at org.apache.hadoop.hive.ql.io.CombineHiveRecordReader.doNext(CombineHiveRecordReader.java:101)
> at org.apache.hadoop.hive.ql.io.CombineHiveRecordReader.doNext(CombineHiveRecordReader.java:41)
> at org.apache.hadoop.hive.ql.io.HiveContextAwareRecordReader.next(HiveContextAwareRecordReader.java:108)
> at org.apache.hadoop.hive.shims.HadoopShimsSecure$CombineFileRecordReader.doNextWithExceptionHandler(HadoopShimsSecure.java:300)
> at org.apache.hadoop.hive.shims.HadoopShimsSecure$CombineFileRecordReader.next(HadoopShimsSecure.java:218)
> at org.apache.hadoop.mapred.MapTask$TrackedRecordReader.moveToNext(MapTask.java:236)
> - eliminated <0x00000000e1459700> (a org.apache.hadoop.mapred.MapTask$TrackedRecordReader)
> at org.apache.hadoop.mapred.MapTask$TrackedRecordReader.next(MapTask.java:216)
> - locked <0x00000000e1459700> (a org.apache.hadoop.mapred.MapTask$TrackedRecordReader)
> at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:48)
> at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:436)
> at org.apache.hadoop.mapred.MapTask.run(MapTask.java:372)
> at org.apache.hadoop.mapred.Child$4.run(Child.java:255)
> at java.security.AccessController.doPrivileged(Native Method)
> at javax.security.auth.Subject.doAs(Subject.java:415)
> at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1178)
> at org.apache.hadoop.mapred.Child.main(Child.java:249)
> {noformat}
> We have seen the same stack trace repeatedly for several executions of jstack.
> The log file for this kind of task is the following:
> {noformat}
> 2013-09-04 23:12:34,332 INFO org.apache.hadoop.util.NativeCodeLoader: Loaded the native-hadoop library
> 2013-09-04 23:12:34,681 INFO org.apache.hadoop.mapred.TaskRunner: Creating symlink: /hd/hd6/mapred/local/taskTracker/distcache/1758137359311570022_-1138434677_1812098585/master/tmp/hive-datasalt/hive_2013-09-04_22-45-13_829_2202639092470021957/-mr-10004/22027cf8-f583-41d7-adb8-e7e74922d113 <- /hd/hd1/mapred/local/taskTracker/datasalt/jobcache/job_201309040511_0003/attempt_201309040511_0003_m_000803_1/work/HIVE_PLAN22027cf8-f583-41d7-adb8-e7e74922d113
> 2013-09-04 23:12:34,718 INFO org.apache.hadoop.filecache.TrackerDistributedCacheManager: Creating symlink: /hd/hd5/mapred/local/taskTracker/datasalt/jobcache/job_201309040511_0003/jars/com <- /hd/hd1/mapred/local/taskTracker/datasalt/jobcache/job_201309040511_0003/attempt_201309040511_0003_m_000803_1/work/com
> 2013-09-04 23:12:34,733 INFO org.apache.hadoop.filecache.TrackerDistributedCacheManager: Creating symlink: /hd/hd5/mapred/local/taskTracker/datasalt/jobcache/job_201309040511_0003/jars/javolution <- /hd/hd1/mapred/local/taskTracker/datasalt/jobcache/job_201309040511_0003/attempt_201309040511_0003_m_000803_1/work/javolution
> 2013-09-04 23:12:34,743 INFO org.apache.hadoop.filecache.TrackerDistributedCacheManager: Creating symlink: /hd/hd5/mapred/local/taskTracker/datasalt/jobcache/job_201309040511_0003/jars/org <- /hd/hd1/mapred/local/taskTracker/datasalt/jobcache/job_201309040511_0003/attempt_201309040511_0003_m_000803_1/work/org
> 2013-09-04 23:12:34,756 INFO org.apache.hadoop.filecache.TrackerDistributedCacheManager: Creating symlink: /hd/hd5/mapred/local/taskTracker/datasalt/jobcache/job_201309040511_0003/jars/job.jar <- /hd/hd1/mapred/local/taskTracker/datasalt/jobcache/job_201309040511_0003/attempt_201309040511_0003_m_000803_1/work/job.jar
> 2013-09-04 23:12:34,768 INFO org.apache.hadoop.filecache.TrackerDistributedCacheManager: Creating symlink: /hd/hd5/mapred/local/taskTracker/datasalt/jobcache/job_201309040511_0003/jars/javax <- /hd/hd1/mapred/local/taskTracker/datasalt/jobcache/job_201309040511_0003/attempt_201309040511_0003_m_000803_1/work/javax
> 2013-09-04 23:12:34,779 INFO org.apache.hadoop.filecache.TrackerDistributedCacheManager: Creating symlink: /hd/hd5/mapred/local/taskTracker/datasalt/jobcache/job_201309040511_0003/jars/hive-exec-log4j.properties <- /hd/hd1/mapred/local/taskTracker/datasalt/jobcache/job_201309040511_0003/attempt_201309040511_0003_m_000803_1/work/hive-exec-log4j.properties
> 2013-09-04 23:12:34,790 INFO org.apache.hadoop.filecache.TrackerDistributedCacheManager: Creating symlink: /hd/hd5/mapred/local/taskTracker/datasalt/jobcache/job_201309040511_0003/jars/META-INF <- /hd/hd1/mapred/local/taskTracker/datasalt/jobcache/job_201309040511_0003/attempt_201309040511_0003_m_000803_1/work/META-INF
> 2013-09-04 23:12:34,796 INFO org.apache.hadoop.filecache.TrackerDistributedCacheManager: Creating symlink: /hd/hd5/mapred/local/taskTracker/datasalt/jobcache/job_201309040511_0003/jars/javaewah <- /hd/hd1/mapred/local/taskTracker/datasalt/jobcache/job_201309040511_0003/attempt_201309040511_0003_m_000803_1/work/javaewah
> 2013-09-04 23:12:34,813 INFO org.apache.hadoop.filecache.TrackerDistributedCacheManager: Creating symlink: /hd/hd5/mapred/local/taskTracker/datasalt/jobcache/job_201309040511_0003/jars/.job.jar.crc <- /hd/hd1/mapred/local/taskTracker/datasalt/jobcache/job_201309040511_0003/attempt_201309040511_0003_m_000803_1/work/.job.jar.crc
> 2013-09-04 23:12:35,127 WARN org.apache.hadoop.metrics2.impl.MetricsSystemImpl: Source name ugi already exists!
> 2013-09-04 23:12:35,412 INFO org.apache.hadoop.util.ProcessTree: setsid exited with exit code 0
> 2013-09-04 23:12:35,473 INFO org.apache.hadoop.mapred.Task: Using ResourceCalculatorPlugin : org.apache.hadoop.util.LinuxResourceCalculatorPlugin@5d0fa836
> 2013-09-04 23:12:36,927 INFO org.apache.hadoop.hive.ql.io.HiveContextAwareRecordReader: Processing file hdfs://master:54310/user/hive/warehouse/hits/ddate=2013-08-28/000798_0
> 2013-09-04 23:12:36,927 INFO org.apache.hadoop.mapred.MapTask: numReduceTasks: 72
> 2013-09-04 23:12:36,936 INFO org.apache.hadoop.mapred.MapTask: io.sort.mb = 100
> 2013-09-04 23:12:37,028 INFO org.apache.hadoop.mapred.MapTask: data buffer = 79691776/99614720
> 2013-09-04 23:12:37,028 INFO org.apache.hadoop.mapred.MapTask: record buffer = 262144/327680
> 2013-09-04 23:12:37,036 WARN org.apache.hadoop.io.compress.snappy.LoadSnappy: Snappy native library is available
> 2013-09-04 23:12:37,036 INFO org.apache.hadoop.io.compress.snappy.LoadSnappy: Snappy native library loaded
> 2013-09-04 23:12:37,046 INFO ExecMapper: maximum memory = 559284224
> 2013-09-04 23:12:37,046 INFO ExecMapper: conf classpath = [file:/home/datasalt/sw/hadoop-1.1.2.23/conf/, file:/opt/oracle-jdk-bin-1.7.0.17/lib/tools.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/, file:/home/datasalt/sw/hadoop-1.1.2.23/hadoop-core-1.1.2.23.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/asm-3.2.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/aspectjrt-1.6.11.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/aspectjtools-1.6.11.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/commons-beanutils-1.7.0.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/commons-beanutils-core-1.8.0.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/commons-cli-1.2.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/commons-codec-1.4.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/commons-collections-3.2.1.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/commons-configuration-1.6.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/commons-daemon-1.0.1.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/commons-digester-1.8.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/commons-el-1.0.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/commons-httpclient-3.0.1.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/commons-io-2.1.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/commons-lang-2.4.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/commons-logging-1.1.1.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/commons-logging-api-1.0.4.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/commons-math-2.1.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/commons-net-3.1.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/core-3.1.1.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/hadoop-capacity-scheduler-1.1.2.23.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/hadoop-fairscheduler-1.1.2.23.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/hadoop-thriftfs-1.1.2.23.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/hsqldb-1.8.0.10.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/jackson-core-asl-1.8.8.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/jackson-mapper-asl-1.8.8.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/jasper-compiler-5.5.12.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/jasper-runtime-5.5.12.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/jdeb-0.8.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/jersey-core-1.8.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/jersey-json-1.8.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/jersey-server-1.8.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/jets3t-0.6.1.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/jetty-6.1.26.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/jetty-util-6.1.26.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/jsch-0.1.42.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/junit-4.5.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/kfs-0.2.2.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/log4j-1.2.15.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/mockito-all-1.8.5.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/oro-2.0.8.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/servlet-api-2.5-20081211.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/slf4j-api-1.4.3.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/slf4j-log4j12-1.4.3.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/xmlenc-0.52.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/jsp-2.1/jsp-2.1.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/jsp-2.1/jsp-api-2.1.jar, file:/hd/hd5/mapred/local/taskTracker/datasalt/jobcache/job_201309040511_0003/jars/classes, file:/hd/hd5/mapred/local/taskTracker/datasalt/jobcache/job_201309040511_0003/jars/, file:/hd/hd1/mapred/local/taskTracker/datasalt/distcache/-1837517190973317952_-652944854_1812099894/master/tmp/hadoop-datasalt/mapred/staging/datasalt/.staging/job_201309040511_0003/libjars/derby-10.4.2.0.jar/, file:/hd/hd1/mapred/local/taskTracker/datasalt/jobcache/job_201309040511_0003/attempt_201309040511_0003_m_000803_1/work/]
> 2013-09-04 23:12:37,047 INFO ExecMapper: thread classpath = [file:/home/datasalt/sw/hadoop-1.1.2.23/conf/, file:/opt/oracle-jdk-bin-1.7.0.17/lib/tools.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/, file:/home/datasalt/sw/hadoop-1.1.2.23/hadoop-core-1.1.2.23.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/asm-3.2.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/aspectjrt-1.6.11.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/aspectjtools-1.6.11.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/commons-beanutils-1.7.0.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/commons-beanutils-core-1.8.0.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/commons-cli-1.2.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/commons-codec-1.4.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/commons-collections-3.2.1.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/commons-configuration-1.6.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/commons-daemon-1.0.1.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/commons-digester-1.8.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/commons-el-1.0.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/commons-httpclient-3.0.1.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/commons-io-2.1.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/commons-lang-2.4.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/commons-logging-1.1.1.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/commons-logging-api-1.0.4.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/commons-math-2.1.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/commons-net-3.1.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/core-3.1.1.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/hadoop-capacity-scheduler-1.1.2.23.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/hadoop-fairscheduler-1.1.2.23.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/hadoop-thriftfs-1.1.2.23.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/hsqldb-1.8.0.10.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/jackson-core-asl-1.8.8.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/jackson-mapper-asl-1.8.8.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/jasper-compiler-5.5.12.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/jasper-runtime-5.5.12.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/jdeb-0.8.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/jersey-core-1.8.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/jersey-json-1.8.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/jersey-server-1.8.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/jets3t-0.6.1.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/jetty-6.1.26.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/jetty-util-6.1.26.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/jsch-0.1.42.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/junit-4.5.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/kfs-0.2.2.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/log4j-1.2.15.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/mockito-all-1.8.5.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/oro-2.0.8.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/servlet-api-2.5-20081211.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/slf4j-api-1.4.3.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/slf4j-log4j12-1.4.3.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/xmlenc-0.52.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/jsp-2.1/jsp-2.1.jar, file:/home/datasalt/sw/hadoop-1.1.2.23/lib/jsp-2.1/jsp-api-2.1.jar, file:/hd/hd5/mapred/local/taskTracker/datasalt/jobcache/job_201309040511_0003/jars/classes, file:/hd/hd5/mapred/local/taskTracker/datasalt/jobcache/job_201309040511_0003/jars/, file:/hd/hd1/mapred/local/taskTracker/datasalt/distcache/-1837517190973317952_-652944854_1812099894/master/tmp/hadoop-datasalt/mapred/staging/datasalt/.staging/job_201309040511_0003/libjars/derby-10.4.2.0.jar/, file:/hd/hd1/mapred/local/taskTracker/datasalt/jobcache/job_201309040511_0003/attempt_201309040511_0003_m_000803_1/work/]
> 2013-09-04 23:12:37,085 INFO org.apache.hadoop.hive.ql.exec.MapOperator: Adding alias hits to work list for file hdfs://master:54310/user/hive/warehouse/hits/ddate=2013-08-28
> 2013-09-04 23:12:37,089 INFO org.apache.hadoop.hive.ql.exec.MapOperator: dump TS struct<hour:int,user_ip:string,country_iso:string,user_language:string,num_hits:int,site_hostname:string,idsite:int,num_ads:int,num_ads_wanted:int,category:int,idcampaign:int,idvariation:int,sub_id:int,cpm_value:double,publisher_share:int,publisher_currency:string,advertiser_currency:string,idzone:int,idagent:int,idadvertiser:int,idpublisher:int,ddate:string>
> 2013-09-04 23:12:37,091 INFO org.apache.hadoop.hive.ql.exec.MapOperator: Adding alias hits to work list for file hdfs://master:54310/user/hive/warehouse/hits/ddate=2013-08-29
> 2013-09-04 23:12:37,092 INFO org.apache.hadoop.hive.ql.exec.MapOperator: Adding alias hits to work list for file hdfs://master:54310/user/hive/warehouse/hits/ddate=2013-08-30
> 2013-09-04 23:12:37,093 INFO org.apache.hadoop.hive.ql.exec.MapOperator: Adding alias hits to work list for file hdfs://master:54310/user/hive/warehouse/hits/ddate=2013-08-31
> 2013-09-04 23:12:37,094 INFO org.apache.hadoop.hive.ql.exec.MapOperator: Adding alias hits to work list for file hdfs://master:54310/user/hive/warehouse/hits/ddate=2013-09-01
> 2013-09-04 23:12:37,094 INFO org.apache.hadoop.hive.ql.exec.MapOperator: Adding alias hits to work list for file hdfs://master:54310/user/hive/warehouse/hits/ddate=2013-09-02
> 2013-09-04 23:12:37,095 INFO org.apache.hadoop.hive.ql.exec.MapOperator: Adding alias hits to work list for file hdfs://master:54310/user/hive/warehouse/hits/ddate=2013-09-03
> 2013-09-04 23:12:37,096 INFO ExecMapper:
> <MAP>Id =7
> <Children>
> <TS>Id =3
> <Children>
> <SEL>Id =2
> <Children>
> <GBY>Id =1
> <Children>
> <RS>Id =0
> <Parent>Id = 1 null<\Parent>
> <\RS>
> <\Children>
> <Parent>Id = 2 null<\Parent>
> <\GBY>
> <\Children>
> <Parent>Id = 3 null<\Parent>
> <\SEL>
> <\Children>
> <Parent>Id = 7 null<\Parent>
> <\TS>
> <\Children>
> <\MAP>
> 2013-09-04 23:12:37,100 INFO org.apache.hadoop.hive.ql.exec.MapOperator: Initializing Self 7 MAP
> 2013-09-04 23:12:37,100 INFO org.apache.hadoop.hive.ql.exec.TableScanOperator: Initializing Self 3 TS
> 2013-09-04 23:12:37,100 INFO org.apache.hadoop.hive.ql.exec.TableScanOperator: Operator 3 TS initialized
> 2013-09-04 23:12:37,100 INFO org.apache.hadoop.hive.ql.exec.TableScanOperator: Initializing children of 3 TS
> 2013-09-04 23:12:37,100 INFO org.apache.hadoop.hive.ql.exec.SelectOperator: Initializing child 2 SEL
> 2013-09-04 23:12:37,100 INFO org.apache.hadoop.hive.ql.exec.SelectOperator: Initializing Self 2 SEL
> 2013-09-04 23:12:37,105 INFO org.apache.hadoop.hive.ql.exec.SelectOperator: SELECT struct<hour:int,user_ip:string,country_iso:string,user_language:string,num_hits:int,site_hostname:string,idsite:int,num_ads:int,num_ads_wanted:int,category:int,idcampaign:int,idvariation:int,sub_id:int,cpm_value:double,publisher_share:int,publisher_currency:string,advertiser_currency:string,idzone:int,idagent:int,idadvertiser:int,idpublisher:int,ddate:string>
> 2013-09-04 23:12:37,105 INFO org.apache.hadoop.hive.ql.exec.SelectOperator: Operator 2 SEL initialized
> 2013-09-04 23:12:37,105 INFO org.apache.hadoop.hive.ql.exec.SelectOperator: Initializing children of 2 SEL
> 2013-09-04 23:12:37,105 INFO org.apache.hadoop.hive.ql.exec.GroupByOperator: Initializing child 1 GBY
> 2013-09-04 23:12:37,105 INFO org.apache.hadoop.hive.ql.exec.GroupByOperator: Initializing Self 1 GBY
> 2013-09-04 23:12:37,116 INFO org.apache.hadoop.hive.ql.exec.GroupByOperator: Operator 1 GBY initialized
> 2013-09-04 23:12:37,116 INFO org.apache.hadoop.hive.ql.exec.GroupByOperator: Initializing children of 1 GBY
> 2013-09-04 23:12:37,116 INFO org.apache.hadoop.hive.ql.exec.ReduceSinkOperator: Initializing child 0 RS
> 2013-09-04 23:12:37,116 INFO org.apache.hadoop.hive.ql.exec.ReduceSinkOperator: Initializing Self 0 RS
> 2013-09-04 23:12:37,116 INFO org.apache.hadoop.hive.ql.exec.ReduceSinkOperator: Using tag = -1
> 2013-09-04 23:12:37,139 INFO org.apache.hadoop.hive.ql.exec.ReduceSinkOperator: Operator 0 RS initialized
> 2013-09-04 23:12:37,139 INFO org.apache.hadoop.hive.ql.exec.ReduceSinkOperator: Initialization Done 0 RS
> 2013-09-04 23:12:37,139 INFO org.apache.hadoop.hive.ql.exec.GroupByOperator: Initialization Done 1 GBY
> 2013-09-04 23:12:37,139 INFO org.apache.hadoop.hive.ql.exec.SelectOperator: Initialization Done 2 SEL
> 2013-09-04 23:12:37,139 INFO org.apache.hadoop.hive.ql.exec.TableScanOperator: Initialization Done 3 TS
> 2013-09-04 23:12:37,139 INFO org.apache.hadoop.hive.ql.exec.MapOperator: Initialization Done 7 MAP
> 2013-09-04 23:12:37,165 INFO org.apache.hadoop.hive.ql.exec.MapOperator: Processing alias hits for file hdfs://master:54310/user/hive/warehouse/hits/ddate=2013-08-28
> 2013-09-04 23:12:37,165 INFO org.apache.hadoop.hive.ql.exec.MapOperator: 7 forwarding 1 rows
> 2013-09-04 23:12:37,165 INFO org.apache.hadoop.hive.ql.exec.TableScanOperator: 3 forwarding 1 rows
> 2013-09-04 23:12:37,165 INFO org.apache.hadoop.hive.ql.exec.SelectOperator: 2 forwarding 1 rows
> 2013-09-04 23:12:37,168 INFO ExecMapper: ExecMapper: processing 1 rows: used memory = 151151936
> 2013-09-04 23:12:37,169 INFO org.apache.hadoop.hive.ql.exec.MapOperator: 7 forwarding 10 rows
> 2013-09-04 23:12:37,169 INFO org.apache.hadoop.hive.ql.exec.TableScanOperator: 3 forwarding 10 rows
> 2013-09-04 23:12:37,169 INFO org.apache.hadoop.hive.ql.exec.SelectOperator: 2 forwarding 10 rows
> 2013-09-04 23:12:37,169 INFO ExecMapper: ExecMapper: processing 10 rows: used memory = 151151936
> 2013-09-04 23:12:37,175 INFO org.apache.hadoop.hive.ql.exec.MapOperator: 7 forwarding 100 rows
> 2013-09-04 23:12:37,175 INFO org.apache.hadoop.hive.ql.exec.TableScanOperator: 3 forwarding 100 rows
> 2013-09-04 23:12:37,175 INFO org.apache.hadoop.hive.ql.exec.SelectOperator: 2 forwarding 100 rows
> 2013-09-04 23:12:37,175 INFO ExecMapper: ExecMapper: processing 100 rows: used memory = 151151936
> 2013-09-04 23:12:37,247 INFO org.apache.hadoop.hive.ql.exec.MapOperator: 7 forwarding 1000 rows
> 2013-09-04 23:12:37,250 INFO org.apache.hadoop.hive.ql.exec.TableScanOperator: 3 forwarding 1000 rows
> 2013-09-04 23:12:37,250 INFO org.apache.hadoop.hive.ql.exec.SelectOperator: 2 forwarding 1000 rows
> 2013-09-04 23:12:37,251 INFO ExecMapper: ExecMapper: processing 1000 rows: used memory = 151151936
> 2013-09-04 23:12:37,642 INFO org.apache.hadoop.hive.ql.exec.MapOperator: 7 forwarding 10000 rows
> 2013-09-04 23:12:37,642 INFO org.apache.hadoop.hive.ql.exec.TableScanOperator: 3 forwarding 10000 rows
> 2013-09-04 23:12:37,644 INFO org.apache.hadoop.hive.ql.exec.SelectOperator: 2 forwarding 10000 rows
> 2013-09-04 23:12:37,644 INFO ExecMapper: ExecMapper: processing 10000 rows: used memory = 153032176
> 2013-09-04 23:12:38,467 INFO org.apache.hadoop.hive.ql.exec.MapOperator: 7 forwarding 100000 rows
> 2013-09-04 23:12:38,468 INFO org.apache.hadoop.hive.ql.exec.TableScanOperator: 3 forwarding 100000 rows
> 2013-09-04 23:12:38,468 INFO org.apache.hadoop.hive.ql.exec.SelectOperator: 2 forwarding 100000 rows
> 2013-09-04 23:12:38,469 INFO ExecMapper: ExecMapper: processing 100000 rows: used memory = 125346272
> 2013-09-04 23:12:40,626 INFO org.apache.hadoop.hive.ql.exec.MapOperator: 7 forwarding 1000000 rows
> 2013-09-04 23:12:40,627 INFO org.apache.hadoop.hive.ql.exec.TableScanOperator: 3 forwarding 1000000 rows
> 2013-09-04 23:12:40,627 INFO org.apache.hadoop.hive.ql.exec.SelectOperator: 2 forwarding 1000000 rows
> 2013-09-04 23:12:40,627 INFO ExecMapper: ExecMapper: processing 1000000 rows: used memory = 123383952
> {noformat}
> For this particular example, the task was killed 6 hours after the last log line.
> The strace of the process when it is in the infinite loop has the following looking:
> {noformat}
> Process 7887 attached with 24 threads
> [pid 7930] futex(0x7f20a06df28c, FUTEX_WAIT_PRIVATE, 1, NULL <unfinished ...>
> [pid 7922] restart_syscall(<... resuming interrupted call ...> <unfinished ...>
> [pid 7920] restart_syscall(<... resuming interrupted call ...> <unfinished ...>
> [pid 8333] accept(61, <unfinished ...>
> [pid 7908] restart_syscall(<... resuming interrupted call ...> <unfinished ...>
> [pid 7907] restart_syscall(<... resuming interrupted call ...> <unfinished ...>
> [pid 7906] restart_syscall(<... resuming interrupted call ...> <unfinished ...>
> [pid 7905] futex(0x7f20a00fa554, FUTEX_WAIT_PRIVATE, 3, NULL <unfinished ...>
> [pid 7903] futex(0x7f20a00f5254, FUTEX_WAIT_PRIVATE, 417, NULL <unfinished ...>
> [pid 7904] futex(0x7f20a00f7c54, FUTEX_WAIT_PRIVATE, 387, NULL <unfinished ...>
> [pid 7902] futex(0x7f20a7513dc0, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
> [pid 7901] futex(0x7f20a00a6f54, FUTEX_WAIT_PRIVATE, 7, NULL <unfinished ...>
> [pid 7899] restart_syscall(<... resuming interrupted call ...> <unfinished ...>
> [pid 7898] futex(0x7f20a0026554, FUTEX_WAIT_PRIVATE, 39, NULL <unfinished ...>
> [pid 7900] futex(0x7f20a00a4b54, FUTEX_WAIT_PRIVATE, 7, NULL <unfinished ...>
> [pid 7897] futex(0x7f20a0024754, FUTEX_WAIT_PRIVATE, 39, NULL <unfinished ...>
> [pid 7896] futex(0x7f20a0022a54, FUTEX_WAIT_PRIVATE, 41, NULL <unfinished ...>
> [pid 7895] futex(0x7f20a0020c54, FUTEX_WAIT_PRIVATE, 39, NULL <unfinished ...>
> [pid 7894] futex(0x7f20a001ef54, FUTEX_WAIT_PRIVATE, 37, NULL <unfinished ...>
> [pid 7893] futex(0x7f20a001d154, FUTEX_WAIT_PRIVATE, 39, NULL <unfinished ...>
> [pid 7887] futex(0x7f20a81389d0, FUTEX_WAIT, 7890, NULL <unfinished ...>
> [pid 7892] futex(0x7f20a001b454, FUTEX_WAIT_PRIVATE, 35, NULL <unfinished ...>
> [pid 7891] futex(0x7f20a0019654, FUTEX_WAIT_PRIVATE, 37, NULL <unfinished ...>
> [pid 7906] <... restart_syscall resumed> ) = -1 ETIMEDOUT (Connection timed out)
> [pid 7906] futex(0x7f20a0104928, FUTEX_WAKE_PRIVATE, 1) = 0
> [pid 7906] futex(0x7f20a0104954, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 1, {1378373836, 993325000}, ffffffff) = -1 ETIMEDOUT (Connection timed out)
> [pid 7906] futex(0x7f20a0104928, FUTEX_WAKE_PRIVATE, 1) = 0
> [pid 7906] futex(0x7f20a0104954, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 1, {1378373837, 43598000}, ffffffff) = -1 ETIMEDOUT (Connection timed out)
> [pid 7906] futex(0x7f20a0104928, FUTEX_WAKE_PRIVATE, 1) = 0
> [pid 7906] futex(0x7f20a0104954, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 1, {1378373837, 93858000}, ffffffff) = -1 ETIMEDOUT (Connection timed out)
> [pid 7906] futex(0x7f20a0104928, FUTEX_WAKE_PRIVATE, 1) = 0
> [pid 7906] futex(0x7f20a0104954, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 1, {1378373837, 144101000}, ffffffff) = -1 ETIMEDOUT (Connection timed out)
> [pid 7906] futex(0x7f20a0104928, FUTEX_WAKE_PRIVATE, 1) = 0
> [pid 7906] futex(0x7f20a0104954, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 1, {1378373837, 194344000}, ffffffff) = -1 ETIMEDOUT (Connection timed out)
> [pid 7906] futex(0x7f20a0104928, FUTEX_WAKE_PRIVATE, 1) = 0
> [pid 7906] futex(0x7f20a0104954, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 1, {1378373837, 244659000}, ffffffff) = -1 ETIMEDOUT (Connection timed out)
> [pid 7906] futex(0x7f20a0104928, FUTEX_WAKE_PRIVATE, 1) = 0
> [pid 7906] futex(0x7f20a0104954, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 1, {1378373837, 294924000}, ffffffff) = -1 ETIMEDOUT (Connection timed out)
> [pid 7906] futex(0x7f20a0104928, FUTEX_WAKE_PRIVATE, 1) = 0
> [pid 7906] futex(0x7f20a0104954, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 1, {1378373837, 345198000}, ffffffff) = -1 ETIMEDOUT (Connection timed out)
> [pid 7906] futex(0x7f20a0104928, FUTEX_WAKE_PRIVATE, 1) = 0
> [pid 7906] futex(0x7f20a0104954, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 1, {1378373837, 395462000}, ffffffff) = -1 ETIMEDOUT (Connection timed out)
> [pid 7906] futex(0x7f20a0104928, FUTEX_WAKE_PRIVATE, 1) = 0
> [pid 7906] futex(0x7f20a0104954, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 1, {1378373837, 445768000}, ffffffff) = -1 ETIMEDOUT (Connection timed out)
> [pid 7906] futex(0x7f20a0104928, FUTEX_WAKE_PRIVATE, 1) = 0
> [pid 7906] futex(0x7f20a0104954, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 1, {1378373837, 495983000}, ffffffff) = -1 ETIMEDOUT (Connection timed out)
> [pid 7906] futex(0x7f20a0104928, FUTEX_WAKE_PRIVATE, 1) = 0
> [pid 7906] futex(0x7f20a0104954, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 1, {1378373837, 546226000}, ffffffff) = -1 ETIMEDOUT (Connection timed out)
> [pid 7906] futex(0x7f20a0104928, FUTEX_WAKE_PRIVATE, 1) = 0
> [pid 7906] futex(0x7f20a0104954, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 1, {1378373837, 596489000}, ffffffff) = -1 ETIMEDOUT (Connection timed out)
> [pid 7906] futex(0x7f20a0104928, FUTEX_WAKE_PRIVATE, 1) = 0
> [pid 7906] futex(0x7f20a0104954, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 1, {1378373837, 646798000}, ffffffff) = -1 ETIMEDOUT (Connection timed out)
> [pid 7906] futex(0x7f20a0104928, FUTEX_WAKE_PRIVATE, 1) = 0
> [pid 7906] futex(0x7f20a0104954, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 1, {1378373837, 697063000}, ffffffff) = -1 ETIMEDOUT (Connection timed out)
> [pid 7906] futex(0x7f20a0104928, FUTEX_WAKE_PRIVATE, 1) = 0
> [pid 7906] futex(0x7f20a0104954, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 1, {1378373837, 747370000}, ffffffff) = -1 ETIMEDOUT (Connection timed out)
> [pid 7906] futex(0x7f20a0104928, FUTEX_WAKE_PRIVATE, 1) = 0
> [pid 7906] futex(0x7f20a0104954, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 1, {1378373837, 797688000}, ffffffff <unfinished ...>
> [pid 7899] <... restart_syscall resumed> ) = -1 ETIMEDOUT (Connection timed out)
> [pid 7899] futex(0x7f20a009d028, FUTEX_WAKE_PRIVATE, 1) = 0
> [pid 7899] futex(0x7f20a009d054, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 1, {1378373838, 782077000}, ffffffff <unfinished ...>
> [pid 7906] <... futex resumed> ) = -1 ETIMEDOUT (Connection timed out)
> [pid 7906] futex(0x7f20a0104928, FUTEX_WAKE_PRIVATE, 1) = 0
> [pid 7906] futex(0x7f20a0104954, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 1, {1378373837, 848014000}, ffffffff) = -1 ETIMEDOUT (Connection timed out)
> [pid 7906] futex(0x7f20a0104928, FUTEX_WAKE_PRIVATE, 1) = 0
> [pid 7906] futex(0x7f20a0104954, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 1, {1378373837, 898283000}, ffffffff) = -1 ETIMEDOUT (Connection timed out)
> [pid 7906] futex(0x7f20a0104928, FUTEX_WAKE_PRIVATE, 1) = 0
> [pid 7906] futex(0x7f20a0104954, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 1, {1378373837, 948489000}, ffffffff) = -1 ETIMEDOUT (Connection timed out)
> [pid 7906] futex(0x7f20a0104928, FUTEX_WAKE_PRIVATE, 1) = 0
> [pid 7906] futex(0x7f20a0104954, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 1, {1378373837, 998751000}, ffffffff) = -1 ETIMEDOUT (Connection timed out)
> [pid 7906] futex(0x7f20a0104928, FUTEX_WAKE_PRIVATE, 1) = 0
> [pid 7906] futex(0x7f20a0104954, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 1, {1378373838, 49086000}, ffffffff) = -1 ETIMEDOUT (Connection timed out)
> [pid 7906] futex(0x7f20a0104928, FUTEX_WAKE_PRIVATE, 1) = 0
> [pid 7906] futex(0x7f20a0104954, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 1, {1378373838, 99351000}, ffffffff) = -1 ETIMEDOUT (Connection timed out)
> [pid 7906] futex(0x7f20a0104928, FUTEX_WAKE_PRIVATE, 1) = 0
> [pid 7906] futex(0x7f20a0104954, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 1, {1378373838, 149589000}, ffffffff) = -1 ETIMEDOUT (Connection timed out)
> [pid 7906] futex(0x7f20a0104928, FUTEX_WAKE_PRIVATE, 1) = 0
> [pid 7906] futex(0x7f20a0104954, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 1, {1378373838, 199852000}, ffffffff) = -1 ETIMEDOUT (Connection timed out)
> [pid 7906] futex(0x7f20a0104928, FUTEX_WAKE_PRIVATE, 1) = 0
> [pid 7906] futex(0x7f20a0104954, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 1, {1378373838, 250180000}, ffffffff) = -1 ETIMEDOUT (Connection timed out)
> [pid 7906] futex(0x7f20a0104928, FUTEX_WAKE_PRIVATE, 1) = 0
> [pid 7906] futex(0x7f20a0104954, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 1, {1378373838, 300489000}, ffffffff) = -1 ETIMEDOUT (Connection timed out)
> [pid 7906] futex(0x7f20a0104928, FUTEX_WAKE_PRIVATE, 1) = 0
> [pid 7906] futex(0x7f20a0104954, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 1, {1378373838, 350762000}, ffffffff) = -1 ETIMEDOUT (Connection timed out)
> [pid 7906] futex(0x7f20a0104928, FUTEX_WAKE_PRIVATE, 1) = 0
> [pid 7906] futex(0x7f20a0104954, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 1, {1378373838, 401078000}, ffffffff) = -1 ETIMEDOUT (Connection timed out)
> [pid 7906] futex(0x7f20a0104928, FUTEX_WAKE_PRIVATE, 1) = 0
> [pid 7906] futex(0x7f20a0104954, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 1, {1378373838, 451258000}, ffffffff) = -1 ETIMEDOUT (Connection timed out)
> [pid 7906] futex(0x7f20a0104928, FUTEX_WAKE_PRIVATE, 1) = 0
> [pid 7906] futex(0x7f20a0104954, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 1, {1378373838, 501527000}, ffffffff) = -1 ETIMEDOUT (Connection timed out)
> [pid 7906] futex(0x7f20a0104928, FUTEX_WAKE_PRIVATE, 1) = 0
> [pid 7906] futex(0x7f20a0104954, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 1, {1378373838, 551767000}, ffffffff) = -1 ETIMEDOUT (Connection timed out)
> [pid 7906] futex(0x7f20a0104928, FUTEX_WAKE_PRIVATE, 1) = 0
> [pid 7906] futex(0x7f20a0104954, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 1, {1378373838, 601970000}, ffffffff) = -1 ETIMEDOUT (Connection timed out)
> [pid 7906] futex(0x7f20a0104928, FUTEX_WAKE_PRIVATE, 1) = 0
> [pid 7906] futex(0x7f20a0104954, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 1, {1378373838, 652161000}, ffffffff) = -1 ETIMEDOUT (Connection timed out)
> [pid 7906] futex(0x7f20a0104928, FUTEX_WAKE_PRIVATE, 1) = 0
> [pid 7906] futex(0x7f20a0104954, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 1, {1378373838, 702290000}, ffffffff) = -1 ETIMEDOUT (Connection timed out)
> [pid 7906] futex(0x7f20a0104928, FUTEX_WAKE_PRIVATE, 1) = 0
> [pid 7906] futex(0x7f20a0104954, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 1, {1378373838, 752523000}, ffffffff) = -1 ETIMEDOUT (Connection timed out)
> [pid 7906] futex(0x7f20a0104928, FUTEX_WAKE_PRIVATE, 1) = 0
> [pid 7906] futex(0x7f20a0104954, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 1, {1378373838, 802739000}, ffffffff <unfinished ...>
> [pid 7899] <... futex resumed> ) = -1 ETIMEDOUT (Connection timed out)
> [pid 7899] futex(0x7f20a009d028, FUTEX_WAKE_PRIVATE, 1) = 0
> [pid 7899] futex(0x7f20a009d054, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 1, {1378373839, 782336000}, ffffffff <unfinished ...>
> [pid 7922] <... restart_syscall resumed> ) = -1 ETIMEDOUT (Connection timed out)
> [pid 7922] futex(0x7f20a06d3a28, FUTEX_WAKE_PRIVATE, 1) = 0
> [pid 7922] futex(0x7f20a0550554, FUTEX_WAKE_OP_PRIVATE, 1, 1, 0x7f20a0550550, {FUTEX_OP_SET, 0, FUTEX_OP_CMP_GT, 1}) = 1
> [pid 7907] <... restart_syscall resumed> ) = 0
> [pid 7907] futex(0x7f20a0550528, FUTEX_WAKE_PRIVATE, 1) = 0
> [pid 7922] write(56, "\0\0\0\335\0\0\2.\0\4ping\0\0\0\2\0&org.apache.h"..., 225 <unfinished ...>
> [pid 7907] read(56, <unfinished ...>
> [pid 7922] <... write resumed> ) = 225
> [pid 7907] <... read resumed> 0x7f2098000b70, 8192) = -1 EAGAIN (Resource temporarily unavailable)
> [pid 7922] futex(0x7f20a009d054, FUTEX_WAKE_OP_PRIVATE, 1, 1, 0x7f20a009d050, {FUTEX_OP_SET, 0, FUTEX_OP_CMP_GT, 1}) = 1
> [pid 7899] <... futex resumed> ) = 0
> [pid 7922] futex(0x7f20a06d3e54, FUTEX_WAIT_PRIVATE, 53, NULL <unfinished ...>
> [pid 7907] epoll_ctl(59, EPOLL_CTL_ADD, 56, {...} <unfinished ...>
> [pid 7899] futex(0x7f20a009d028, FUTEX_WAKE_PRIVATE, 1 <unfinished ...>
> [pid 7907] <... epoll_ctl resumed> ) = 0
> [pid 7899] <... futex resumed> ) = 0
> [pid 7907] epoll_wait(59, {?} 0x7f20a0544000, 4096, 60000) = 1
> [pid 7899] mprotect(0x7f20a8147000, 4096, PROT_READ <unfinished ...>
> [pid 7907] futex(0x7f20a0551e54, FUTEX_WAIT_PRIVATE, 11, NULL <unfinished ...>
> [pid 7899] <... mprotect resumed> ) = 0
> [pid 7890] futex(0x7f20a000b854, FUTEX_WAIT_PRIVATE, 349, NULL <unfinished ...>
> [pid 7899] mprotect(0x7f20a8147000, 4096, PROT_READ|PROT_WRITE) = 0
> [pid 7899] mprotect(0x7f20a8148000, 4096, PROT_NONE) = 0
> [pid 7899] mprotect(0x7f20a8148000, 4096, PROT_READ) = 0
> [pid 7899] futex(0x7f20a0551e54, FUTEX_WAKE_OP_PRIVATE, 1, 1, 0x7f20a0551e50, {FUTEX_OP_SET, 0, FUTEX_OP_CMP_GT, 1}) = 1
> [pid 7899] futex(0x7f20a06d3e54, FUTEX_WAKE_OP_PRIVATE, 1, 1, 0x7f20a06d3e50, {FUTEX_OP_SET, 0, FUTEX_OP_CMP_GT, 1} <unfinished ...>
> [pid 7922] <... futex resumed> ) = 0
> [pid 7907] <... futex resumed> ) = 0
> [pid 7922] futex(0x7f20a06d3e28, FUTEX_WAIT_PRIVATE, 2, NULL <unfinished ...>
> [pid 7899] <... futex resumed> ) = 1
> [pid 7907] futex(0x7f20a0551e28, FUTEX_WAKE_PRIVATE, 1 <unfinished ...>
> [pid 7899] futex(0x7f20a06d3e28, FUTEX_WAKE_PRIVATE, 1 <unfinished ...>
> [pid 7922] <... futex resumed> ) = 0
> [pid 7907] <... futex resumed> ) = 0
> [pid 7922] futex(0x7f20a06d3e28, FUTEX_WAKE_PRIVATE, 1 <unfinished ...>
> [pid 7899] <... futex resumed> ) = 1
> [pid 7922] <... futex resumed> ) = 0
> [pid 7899] futex(0x7f20a009d054, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 3, {1378373839, 794194000}, ffffffff <unfinished ...>
> [pid 7922] futex(0x7f20a06d3a54, FUTEX_WAIT_PRIVATE, 1, NULL <unfinished ...>
> [pid 7907] futex(0x7f20a000b854, FUTEX_WAKE_OP_PRIVATE, 1, 1, 0x7f20a000b850, {FUTEX_OP_SET, 0, FUTEX_OP_CMP_GT, 1}) = 1
> [pid 7890] <... futex resumed> ) = 0
> [pid 7890] futex(0x7f20a000b828, FUTEX_WAKE_PRIVATE, 1 <unfinished ...>
> [pid 7907] epoll_ctl(59, EPOLL_CTL_DEL, 56, {...} <unfinished ...>
> [pid 7890] <... futex resumed> ) = 0
> [pid 7907] <... epoll_ctl resumed> ) = 0
> [pid 7907] epoll_wait(59, {}, 4096, 0) = 0
> [pid 7907] read(56, "\0\0\2.\0\0\0\0\0\7boolean\1", 8192) = 18
> [pid 7907] futex(0x7f20a06d3a54, FUTEX_WAKE_OP_PRIVATE, 1, 1, 0x7f20a06d3a50, {FUTEX_OP_SET, 0, FUTEX_OP_CMP_GT, 1}) = 1
> [pid 7922] <... futex resumed> ) = 0
> [pid 7907] futex(0x7f20a0550554, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 1107, {1378373848, 793674000}, ffffffff <unfinished ...>
> [pid 7922] futex(0x7f20a06d3a28, FUTEX_WAKE_PRIVATE, 1) = 0
> [pid 7922] futex(0x7f20a06d3a54, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 3, {1378373841, 794758000}, ffffffff <unfinished ...>
> [pid 7906] <... futex resumed> ) = -1 ETIMEDOUT (Connection timed out)
> [pid 7906] futex(0x7f20a0104928, FUTEX_WAKE_PRIVATE, 1) = 0
> [pid 7906] futex(0x7f20a0104954, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 1, {1378373838, 852867000}, ffffffff) = -1 ETIMEDOUT (Connection timed out)
> [pid 7906] futex(0x7f20a0104928, FUTEX_WAKE_PRIVATE, 1) = 0
> [pid 7906] futex(0x7f20a0104954, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 1, {1378373838, 903052000}, ffffffff) = -1 ETIMEDOUT (Connection timed out)
> [pid 7906] futex(0x7f20a0104928, FUTEX_WAKE_PRIVATE, 1) = 0
> [pid 7906] futex(0x7f20a0104954, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 1, {1378373838, 953226000}, ffffffff) = -1 ETIMEDOUT (Connection timed out)
> [pid 7906] futex(0x7f20a0104928, FUTEX_WAKE_PRIVATE, 1) = 0
> [pid 7906] futex(0x7f20a0104954, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 1, {1378373839, 3436000}, ffffffff) = -1 ETIMEDOUT (Connection timed out)
> [pid 7906] futex(0x7f20a0104928, FUTEX_WAKE_PRIVATE, 1) = 0
> [pid 7906] futex(0x7f20a0104954, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 1, {1378373839, 53695000}, ffffffff) = -1 ETIMEDOUT (Connection timed out)
> [pid 7906] futex(0x7f20a0104928, FUTEX_WAKE_PRIVATE, 1) = 0
> [pid 7906] futex(0x7f20a0104954, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 1, {1378373839, 103966000}, ffffffff) = -1 ETIMEDOUT (Connection timed out)
> [pid 7906] futex(0x7f20a0104928, FUTEX_WAKE_PRIVATE, 1) = 0
> [pid 7906] futex(0x7f20a0104954, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 1, {1378373839, 154232000}, ffffffff) = -1 ETIMEDOUT (Connection timed out)
> [pid 7906] futex(0x7f20a0104928, FUTEX_WAKE_PRIVATE, 1) = 0
> [pid 7906] futex(0x7f20a0104954, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 1, {1378373839, 204466000}, ffffffff) = -1 ETIMEDOUT (Connection timed out)
> [pid 7906] futex(0x7f20a0104928, FUTEX_WAKE_PRIVATE, 1) = 0
> [pid 7906] futex(0x7f20a0104954, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 1, {1378373839, 254802000}, ffffffff) = -1 ETIMEDOUT (Connection timed out)
> [pid 7906] futex(0x7f20a0104928, FUTEX_WAKE_PRIVATE, 1) = 0
> [pid 7906] futex(0x7f20a0104954, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 1, {1378373839, 305067000}, ffffffff) = -1 ETIMEDOUT (Connection timed out)
> [pid 7906] futex(0x7f20a0104928, FUTEX_WAKE_PRIVATE, 1) = 0
> [pid 7906] futex(0x7f20a0104954, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 1, {1378373839, 355318000}, ffffffff) = -1 ETIMEDOUT (Connection timed out)
> [pid 7906] futex(0x7f20a0104928, FUTEX_WAKE_PRIVATE, 1) = 0
> [pid 7906] futex(0x7f20a0104954, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 1, {1378373839, 405623000}, ffffffff) = -1 ETIMEDOUT (Connection timed out)
> [pid 7906] futex(0x7f20a0104928, FUTEX_WAKE_PRIVATE, 1) = 0
> [pid 7906] futex(0x7f20a0104954, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 1, {1378373839, 455817000}, ffffffff) = -1 ETIMEDOUT (Connection timed out)
> [pid 7906] futex(0x7f20a0104928, FUTEX_WAKE_PRIVATE, 1) = 0
> [pid 7906] futex(0x7f20a0104954, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 1, {1378373839, 506130000}, ffffffff) = -1 ETIMEDOUT (Connection timed out)
> [pid 7906] futex(0x7f20a0104928, FUTEX_WAKE_PRIVATE, 1) = 0
> [pid 7906] futex(0x7f20a0104954, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 1, {1378373839, 556395000}, ffffffff) = -1 ETIMEDOUT (Connection timed out)
> [pid 7906] futex(0x7f20a0104928, FUTEX_WAKE_PRIVATE, 1) = 0
> [pid 7906] futex(0x7f20a0104954, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 1, {1378373839, 606661000}, ffffffff) = -1 ETIMEDOUT (Connection timed out)
> [pid 7906] futex(0x7f20a0104928, FUTEX_WAKE_PRIVATE, 1) = 0
> [pid 7906] futex(0x7f20a0104954, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 1, {1378373839, 656898000}, ffffffff) = -1 ETIMEDOUT (Connection timed out)
> [pid 7906] futex(0x7f20a0104928, FUTEX_WAKE_PRIVATE, 1) = 0
> [pid 7906] futex(0x7f20a0104954, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 1, {1378373839, 707177000}, ffffffff) = -1 ETIMEDOUT (Connection timed out)
> {noformat}
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