khardwick_spry

Race Condition in Giraph cleanup - Execution Command

Jan 13th, 2014
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  1. Attempt one - the job fails
  2.  
  3. [spry@hadoop2 giraph]$ hadoop jar giraph-core/target/giraph-1.1.0-SNAPSHOT-for-hadoop-2.2.0-jar-with-dependencies.jar org.apache.giraph.GiraphRunner -Dgiraph.keepZooKeeperData=true -Dgiraph.cleanupCheckpointsAfterSuccess=false -Dgiraph.logLevel=DEBUG -Dgiraph.SplitMasterWorker=false -Dgiraph.zkList="localhost:2181" -Dgiraph.zkSessionMsecTimeout=600000 -Dgiraph.useInputSplitLocality=false org.apache.giraph.examples.SimpleShortestPathsComputation -vif org.apache.giraph.io.formats.JsonLongDoubleFloatDoubleVertexInputFormat -vip /user/spry/input -vof org.apache.giraph.io.formats.IdWithValueTextOutputFormat -op /user/spry/Shortest -w 1
  4. SLF4J: Class path contains multiple SLF4J bindings.
  5. SLF4J: Found binding in [jar:file:/usr/lib/hadoop/lib/slf4j-log4j12-1.7.5.jar!/org/slf4j/impl/StaticLoggerBinder.class]
  6. SLF4J: Found binding in [jar:file:/usr/lib/hadoop/lib/giraph-1.1.0-SNAPSHOT-for-hadoop-2.2.0-jar-with-dependencies.jar!/org/slf4j/impl/StaticLoggerBinder.class]
  7. SLF4J: Found binding in [jar:file:/usr/lib/hadoop/lib/giraph-examples-1.1.0-SNAPSHOT-for-hadoop-2.2.0-jar-with-dependencies.jar!/org/slf4j/impl/StaticLoggerBinder.class]
  8. SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation.
  9. SLF4J: Actual binding is of type [org.slf4j.impl.Log4jLoggerFactory]
  10. 14/01/13 17:10:15 INFO utils.ConfigurationUtils: No edge input format specified. Ensure your InputFormat does not require one.
  11. 14/01/13 17:10:15 INFO utils.ConfigurationUtils: No edge output format specified. Ensure your OutputFormat does not require one.
  12. 14/01/13 17:10:16 INFO yarn.GiraphYarnClient: Final output path is: hdfs://hadoop2.j7.master:8020/user/spry/Shortest
  13. 14/01/13 17:10:16 INFO yarn.GiraphYarnClient: Running Client
  14. 14/01/13 17:10:16 INFO client.RMProxy: Connecting to ResourceManager at hadoop2.j7.master/127.0.0.1:8050
  15. 14/01/13 17:10:16 INFO yarn.GiraphYarnClient: Got node report from ASM for, nodeId=localhost:45454, nodeAddresslocalhost:8042, nodeRackName/default-rack, nodeNumContainers0
  16. 14/01/13 17:10:16 INFO yarn.GiraphYarnClient: Defaulting per-task heap size to 512MB.
  17. 14/01/13 17:10:16 INFO yarn.GiraphYarnClient: Obtained new Application ID: application_1389643303411_0026
  18. 14/01/13 17:10:16 INFO Configuration.deprecation: mapred.job.id is deprecated. Instead, use mapreduce.job.id
  19. 14/01/13 17:10:16 INFO yarn.GiraphYarnClient: Set the environment for the application master
  20. 14/01/13 17:10:16 INFO yarn.GiraphYarnClient: Environment for AM :{CLASSPATH=${CLASSPATH}:./*:/etc/hadoop/conf:/usr/lib/hadoop/*:/usr/lib/hadoop/lib/*:/usr/lib/hadoop-hdfs/*:/usr/lib/hadoop-hdfs/lib/*:/usr/lib/hadoop-yarn/*:/usr/lib/hadoop-yarn/lib/*:/usr/lib/hadoop-mapreduce/*:/usr/lib/hadoop-mapreduce/lib/*:$HADOOP_MAPRED_HOME/share/hadoop/mapreduce/*:$HADOOP_MAPRED_HOME/share/hadoop/mapreduce/lib/*}
  21. 14/01/13 17:10:16 INFO yarn.GiraphYarnClient: buildLocalResourceMap ....
  22. 14/01/13 17:10:16 INFO Configuration.deprecation: mapred.output.dir is deprecated. Instead, use mapreduce.output.fileoutputformat.outputdir
  23. 14/01/13 17:10:16 INFO yarn.YarnUtils: Registered file in LocalResources :: hdfs://hadoop2.j7.master:8020/user/spry/giraph_yarn_jar_cache/application_1389643303411_0026/giraph-conf.xml
  24. 14/01/13 17:10:16 INFO yarn.GiraphYarnClient: LIB JARS :
  25. 14/01/13 17:10:16 INFO yarn.YarnUtils: Class path name .
  26. 14/01/13 17:10:16 INFO yarn.YarnUtils: base path checking .
  27. 14/01/13 17:10:17 INFO yarn.YarnUtils: Class path name null
  28. 14/01/13 17:10:17 INFO yarn.YarnUtils: base path checking null
  29. 14/01/13 17:10:17 INFO yarn.YarnUtils: Class path name /etc/hadoop/conf
  30. 14/01/13 17:10:17 INFO yarn.YarnUtils: base path checking /etc/hadoop/conf
  31. 14/01/13 17:10:17 INFO yarn.YarnUtils: Class path name /usr/lib/hadoop/lib/*
  32. 14/01/13 17:10:17 INFO yarn.YarnUtils: base path checking /usr/lib/hadoop/lib
  33. 14/01/13 17:10:17 INFO yarn.YarnUtils: Class path name /usr/lib/hadoop/.//*
  34. 14/01/13 17:10:17 INFO yarn.YarnUtils: base path checking /usr/lib/hadoop/./
  35. 14/01/13 17:10:17 INFO yarn.YarnUtils: Class path name /usr/lib/hadoop-hdfs/./
  36. 14/01/13 17:10:17 INFO yarn.YarnUtils: base path checking /usr/lib/hadoop-hdfs/./
  37. 14/01/13 17:10:17 INFO yarn.YarnUtils: Class path name /usr/lib/hadoop-hdfs/lib/*
  38. 14/01/13 17:10:17 INFO yarn.YarnUtils: base path checking /usr/lib/hadoop-hdfs/lib
  39. 14/01/13 17:10:17 INFO yarn.YarnUtils: Class path name /usr/lib/hadoop-hdfs/.//*
  40. 14/01/13 17:10:17 INFO yarn.YarnUtils: base path checking /usr/lib/hadoop-hdfs/./
  41. 14/01/13 17:10:17 INFO yarn.YarnUtils: Class path name /usr/lib/hadoop-yarn/lib/*
  42. 14/01/13 17:10:17 INFO yarn.YarnUtils: base path checking /usr/lib/hadoop-yarn/lib
  43. 14/01/13 17:10:17 INFO yarn.YarnUtils: Class path name /usr/lib/hadoop-yarn/.//*
  44. 14/01/13 17:10:17 INFO yarn.YarnUtils: base path checking /usr/lib/hadoop-yarn/./
  45. 14/01/13 17:10:17 INFO yarn.YarnUtils: Class path name /usr/lib/hadoop-mapreduce/lib/*
  46. 14/01/13 17:10:17 INFO yarn.YarnUtils: base path checking /usr/lib/hadoop-mapreduce/lib
  47. 14/01/13 17:10:17 INFO yarn.YarnUtils: Class path name /usr/lib/hadoop-mapreduce/.//*
  48. 14/01/13 17:10:17 INFO yarn.YarnUtils: base path checking /usr/lib/hadoop-mapreduce/./
  49. 14/01/13 17:10:17 INFO yarn.YarnUtils: Class path name
  50. 14/01/13 17:10:17 INFO yarn.YarnUtils: Class path name /usr/share/java/mysql-connector-java-5.1.17.jar
  51. 14/01/13 17:10:17 INFO yarn.YarnUtils: base path checking /usr/share/java/mysql-connector-java-5.1.17.jar
  52. 14/01/13 17:10:17 INFO yarn.YarnUtils: Class path name /usr/share/java/mysql-connector-java.jar
  53. 14/01/13 17:10:17 INFO yarn.YarnUtils: base path checking /usr/share/java/mysql-connector-java.jar
  54. 14/01/13 17:10:17 INFO yarn.YarnUtils: Class path name /usr/lib/hadoop-mapreduce/*
  55. 14/01/13 17:10:17 INFO yarn.YarnUtils: base path checking /usr/lib/hadoop-mapreduce
  56. 14/01/13 17:10:17 INFO yarn.GiraphYarnClient: ApplicationSumbissionContext for GiraphApplicationMaster launch container is populated.
  57. 14/01/13 17:10:17 INFO yarn.GiraphYarnClient: Submitting application to ASM
  58. 14/01/13 17:10:17 INFO impl.YarnClientImpl: Submitted application application_1389643303411_0026 to ResourceManager at hadoop2.j7.master/127.0.0.1:8050
  59. 14/01/13 17:10:17 INFO yarn.GiraphYarnClient: Got new appId after submission :application_1389643303411_0026
  60. 14/01/13 17:10:17 INFO yarn.GiraphYarnClient: GiraphApplicationMaster container request was submitted to ResourceManager for job: Giraph: org.apache.giraph.examples.SimpleShortestPathsComputation
  61. 14/01/13 17:10:17 INFO yarn.GiraphYarnClient: Giraph: org.apache.giraph.examples.SimpleShortestPathsComputation, Elapsed: 0.83 secs
  62. 14/01/13 17:10:17 INFO yarn.GiraphYarnClient: appattempt_1389643303411_0026_000001, State: ACCEPTED, Containers used: 1
  63. 14/01/13 17:10:21 INFO yarn.GiraphYarnClient: Giraph: org.apache.giraph.examples.SimpleShortestPathsComputation, Elapsed: 4.84 secs
  64. 14/01/13 17:10:21 INFO yarn.GiraphYarnClient: appattempt_1389643303411_0026_000001, State: ACCEPTED, Containers used: 1
  65. 14/01/13 17:10:26 INFO yarn.GiraphYarnClient: Giraph: org.apache.giraph.examples.SimpleShortestPathsComputation, Elapsed: 8.88 secs
  66. 14/01/13 17:10:26 INFO yarn.GiraphYarnClient: appattempt_1389643303411_0026_000001, State: RUNNING, Containers used: 3
  67. 14/01/13 17:10:30 INFO yarn.GiraphYarnClient: Giraph: org.apache.giraph.examples.SimpleShortestPathsComputation, Elapsed: 12.89 secs
  68. 14/01/13 17:10:30 INFO yarn.GiraphYarnClient: appattempt_1389643303411_0026_000001, State: RUNNING, Containers used: 3
  69. 14/01/13 17:10:34 INFO yarn.GiraphYarnClient: Giraph: org.apache.giraph.examples.SimpleShortestPathsComputation, Elapsed: 16.91 secs
  70. 14/01/13 17:10:34 INFO yarn.GiraphYarnClient: appattempt_1389643303411_0026_000001, State: RUNNING, Containers used: 3
  71. 14/01/13 17:10:38 INFO yarn.GiraphYarnClient: Giraph: org.apache.giraph.examples.SimpleShortestPathsComputation, Elapsed: 20.92 secs
  72. 14/01/13 17:10:38 INFO yarn.GiraphYarnClient: appattempt_1389643303411_0026_000001, State: RUNNING, Containers used: 3
  73. 14/01/13 17:10:39 INFO yarn.GiraphYarnClient: Cleaning up HDFS distributed cache directory for Giraph job.
  74. 14/01/13 17:10:39 INFO yarn.GiraphYarnClient: Completed Giraph: org.apache.giraph.examples.SimpleShortestPathsComputation: FAILED, total running time: 0 minutes, 22 seconds.
  75.  
  76. Remove the created output directory
  77.  
  78. [spry@hadoop2 giraph]$ hadoop fs -rmr /user/spry/Shortest
  79. rmr: DEPRECATED: Please use 'rm -r' instead.
  80. SLF4J: Class path contains multiple SLF4J bindings.
  81. SLF4J: Found binding in [jar:file:/usr/lib/hadoop/lib/slf4j-log4j12-1.7.5.jar!/org/slf4j/impl/StaticLoggerBinder.class]
  82. SLF4J: Found binding in [jar:file:/usr/lib/hadoop/lib/giraph-1.1.0-SNAPSHOT-for-hadoop-2.2.0-jar-with-dependencies.jar!/org/slf4j/impl/StaticLoggerBinder.class]
  83. SLF4J: Found binding in [jar:file:/usr/lib/hadoop/lib/giraph-examples-1.1.0-SNAPSHOT-for-hadoop-2.2.0-jar-with-dependencies.jar!/org/slf4j/impl/StaticLoggerBinder.class]
  84. SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation.
  85. SLF4J: Actual binding is of type [org.slf4j.impl.Log4jLoggerFactory]
  86. 14/01/13 17:10:49 INFO fs.TrashPolicyDefault: Namenode trash configuration: Deletion interval = 21600000 minutes, Emptier interval = 0 minutes.
  87. Moved: 'hdfs://hadoop2.j7.master:8020/user/spry/Shortest' to trash at: hdfs://hadoop2.j7.master:8020/user/spry/.Trash/Current
  88.  
  89. Attempt two - no changes to the command at all. the job succeeds
  90.  
  91. [spry@hadoop2 giraph]$ hadoop jar giraph-core/target/giraph-1.1.0-SNAPSHOT-for-hadoop-2.2.0-jar-with-dependencies.jar org.apache.giraph.GiraphRunner -Dgiraph.keepZooKeeperData=true -Dgiraph.cleanupCheckpointsAfterSuccess=false -Dgiraph.logLevel=DEBUG -Dgiraph.SplitMasterWorker=false -Dgiraph.zkList="localhost:2181" -Dgiraph.zkSessionMsecTimeout=600000 -Dgiraph.useInputSplitLocality=false org.apache.giraph.examples.SimpleShortestPathsComputation -vif org.apache.giraph.io.formats.JsonLongDoubleFloatDoubleVertexInputFormat -vip /user/spry/input -vof org.apache.giraph.io.formats.IdWithValueTextOutputFormat -op /user/spry/Shortest -w 1
  92. SLF4J: Class path contains multiple SLF4J bindings.
  93. SLF4J: Found binding in [jar:file:/usr/lib/hadoop/lib/slf4j-log4j12-1.7.5.jar!/org/slf4j/impl/StaticLoggerBinder.class]
  94. SLF4J: Found binding in [jar:file:/usr/lib/hadoop/lib/giraph-1.1.0-SNAPSHOT-for-hadoop-2.2.0-jar-with-dependencies.jar!/org/slf4j/impl/StaticLoggerBinder.class]
  95. SLF4J: Found binding in [jar:file:/usr/lib/hadoop/lib/giraph-examples-1.1.0-SNAPSHOT-for-hadoop-2.2.0-jar-with-dependencies.jar!/org/slf4j/impl/StaticLoggerBinder.class]
  96. SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation.
  97. SLF4J: Actual binding is of type [org.slf4j.impl.Log4jLoggerFactory]
  98. 14/01/13 17:11:00 INFO utils.ConfigurationUtils: No edge input format specified. Ensure your InputFormat does not require one.
  99. 14/01/13 17:11:00 INFO utils.ConfigurationUtils: No edge output format specified. Ensure your OutputFormat does not require one.
  100. 14/01/13 17:11:00 INFO yarn.GiraphYarnClient: Final output path is: hdfs://hadoop2.j7.master:8020/user/spry/Shortest
  101. 14/01/13 17:11:00 INFO yarn.GiraphYarnClient: Running Client
  102. 14/01/13 17:11:00 INFO client.RMProxy: Connecting to ResourceManager at hadoop2.j7.master/127.0.0.1:8050
  103. 14/01/13 17:11:01 INFO yarn.GiraphYarnClient: Got node report from ASM for, nodeId=localhost:45454, nodeAddresslocalhost:8042, nodeRackName/default-rack, nodeNumContainers0
  104. 14/01/13 17:11:01 INFO yarn.GiraphYarnClient: Defaulting per-task heap size to 512MB.
  105. 14/01/13 17:11:01 INFO yarn.GiraphYarnClient: Obtained new Application ID: application_1389643303411_0027
  106. 14/01/13 17:11:01 INFO Configuration.deprecation: mapred.job.id is deprecated. Instead, use mapreduce.job.id
  107. 14/01/13 17:11:01 INFO yarn.GiraphYarnClient: Set the environment for the application master
  108. 14/01/13 17:11:01 INFO yarn.GiraphYarnClient: Environment for AM :{CLASSPATH=${CLASSPATH}:./*:/etc/hadoop/conf:/usr/lib/hadoop/*:/usr/lib/hadoop/lib/*:/usr/lib/hadoop-hdfs/*:/usr/lib/hadoop-hdfs/lib/*:/usr/lib/hadoop-yarn/*:/usr/lib/hadoop-yarn/lib/*:/usr/lib/hadoop-mapreduce/*:/usr/lib/hadoop-mapreduce/lib/*:$HADOOP_MAPRED_HOME/share/hadoop/mapreduce/*:$HADOOP_MAPRED_HOME/share/hadoop/mapreduce/lib/*}
  109. 14/01/13 17:11:01 INFO yarn.GiraphYarnClient: buildLocalResourceMap ....
  110. 14/01/13 17:11:01 INFO Configuration.deprecation: mapred.output.dir is deprecated. Instead, use mapreduce.output.fileoutputformat.outputdir
  111. 14/01/13 17:11:01 INFO yarn.YarnUtils: Registered file in LocalResources :: hdfs://hadoop2.j7.master:8020/user/spry/giraph_yarn_jar_cache/application_1389643303411_0027/giraph-conf.xml
  112. 14/01/13 17:11:01 INFO yarn.GiraphYarnClient: LIB JARS :
  113. 14/01/13 17:11:01 INFO yarn.YarnUtils: Class path name .
  114. 14/01/13 17:11:01 INFO yarn.YarnUtils: base path checking .
  115. 14/01/13 17:11:02 INFO yarn.YarnUtils: Class path name null
  116. 14/01/13 17:11:02 INFO yarn.YarnUtils: base path checking null
  117. 14/01/13 17:11:02 INFO yarn.YarnUtils: Class path name /etc/hadoop/conf
  118. 14/01/13 17:11:02 INFO yarn.YarnUtils: base path checking /etc/hadoop/conf
  119. 14/01/13 17:11:02 INFO yarn.YarnUtils: Class path name /usr/lib/hadoop/lib/*
  120. 14/01/13 17:11:02 INFO yarn.YarnUtils: base path checking /usr/lib/hadoop/lib
  121. 14/01/13 17:11:02 INFO yarn.YarnUtils: Class path name /usr/lib/hadoop/.//*
  122. 14/01/13 17:11:02 INFO yarn.YarnUtils: base path checking /usr/lib/hadoop/./
  123. 14/01/13 17:11:02 INFO yarn.YarnUtils: Class path name /usr/lib/hadoop-hdfs/./
  124. 14/01/13 17:11:02 INFO yarn.YarnUtils: base path checking /usr/lib/hadoop-hdfs/./
  125. 14/01/13 17:11:02 INFO yarn.YarnUtils: Class path name /usr/lib/hadoop-hdfs/lib/*
  126. 14/01/13 17:11:02 INFO yarn.YarnUtils: base path checking /usr/lib/hadoop-hdfs/lib
  127. 14/01/13 17:11:02 INFO yarn.YarnUtils: Class path name /usr/lib/hadoop-hdfs/.//*
  128. 14/01/13 17:11:02 INFO yarn.YarnUtils: base path checking /usr/lib/hadoop-hdfs/./
  129. 14/01/13 17:11:02 INFO yarn.YarnUtils: Class path name /usr/lib/hadoop-yarn/lib/*
  130. 14/01/13 17:11:02 INFO yarn.YarnUtils: base path checking /usr/lib/hadoop-yarn/lib
  131. 14/01/13 17:11:02 INFO yarn.YarnUtils: Class path name /usr/lib/hadoop-yarn/.//*
  132. 14/01/13 17:11:02 INFO yarn.YarnUtils: base path checking /usr/lib/hadoop-yarn/./
  133. 14/01/13 17:11:02 INFO yarn.YarnUtils: Class path name /usr/lib/hadoop-mapreduce/lib/*
  134. 14/01/13 17:11:02 INFO yarn.YarnUtils: base path checking /usr/lib/hadoop-mapreduce/lib
  135. 14/01/13 17:11:02 INFO yarn.YarnUtils: Class path name /usr/lib/hadoop-mapreduce/.//*
  136. 14/01/13 17:11:02 INFO yarn.YarnUtils: base path checking /usr/lib/hadoop-mapreduce/./
  137. 14/01/13 17:11:02 INFO yarn.YarnUtils: Class path name
  138. 14/01/13 17:11:02 INFO yarn.YarnUtils: Class path name /usr/share/java/mysql-connector-java-5.1.17.jar
  139. 14/01/13 17:11:02 INFO yarn.YarnUtils: base path checking /usr/share/java/mysql-connector-java-5.1.17.jar
  140. 14/01/13 17:11:02 INFO yarn.YarnUtils: Class path name /usr/share/java/mysql-connector-java.jar
  141. 14/01/13 17:11:02 INFO yarn.YarnUtils: base path checking /usr/share/java/mysql-connector-java.jar
  142. 14/01/13 17:11:02 INFO yarn.YarnUtils: Class path name /usr/lib/hadoop-mapreduce/*
  143. 14/01/13 17:11:02 INFO yarn.YarnUtils: base path checking /usr/lib/hadoop-mapreduce
  144. 14/01/13 17:11:02 INFO yarn.GiraphYarnClient: ApplicationSumbissionContext for GiraphApplicationMaster launch container is populated.
  145. 14/01/13 17:11:02 INFO yarn.GiraphYarnClient: Submitting application to ASM
  146. 14/01/13 17:11:02 INFO impl.YarnClientImpl: Submitted application application_1389643303411_0027 to ResourceManager at hadoop2.j7.master/127.0.0.1:8050
  147. 14/01/13 17:11:02 INFO yarn.GiraphYarnClient: Got new appId after submission :application_1389643303411_0027
  148. 14/01/13 17:11:02 INFO yarn.GiraphYarnClient: GiraphApplicationMaster container request was submitted to ResourceManager for job: Giraph: org.apache.giraph.examples.SimpleShortestPathsComputation
  149. 14/01/13 17:11:02 INFO yarn.GiraphYarnClient: Giraph: org.apache.giraph.examples.SimpleShortestPathsComputation, Elapsed: 0.83 secs
  150. 14/01/13 17:11:02 INFO yarn.GiraphYarnClient: appattempt_1389643303411_0027_000001, State: ACCEPTED, Containers used: 0
  151. 14/01/13 17:11:06 INFO yarn.GiraphYarnClient: Giraph: org.apache.giraph.examples.SimpleShortestPathsComputation, Elapsed: 4.85 secs
  152. 14/01/13 17:11:06 INFO yarn.GiraphYarnClient: appattempt_1389643303411_0027_000001, State: ACCEPTED, Containers used: 1
  153. 14/01/13 17:11:10 INFO yarn.GiraphYarnClient: Giraph: org.apache.giraph.examples.SimpleShortestPathsComputation, Elapsed: 8.86 secs
  154. 14/01/13 17:11:10 INFO yarn.GiraphYarnClient: appattempt_1389643303411_0027_000001, State: RUNNING, Containers used: 1
  155. 14/01/13 17:11:14 INFO yarn.GiraphYarnClient: Giraph: org.apache.giraph.examples.SimpleShortestPathsComputation, Elapsed: 12.87 secs
  156. 14/01/13 17:11:14 INFO yarn.GiraphYarnClient: appattempt_1389643303411_0027_000001, State: RUNNING, Containers used: 3
  157. 14/01/13 17:11:18 INFO yarn.GiraphYarnClient: Giraph: org.apache.giraph.examples.SimpleShortestPathsComputation, Elapsed: 16.89 secs
  158. 14/01/13 17:11:18 INFO yarn.GiraphYarnClient: appattempt_1389643303411_0027_000001, State: RUNNING, Containers used: 3
  159. 14/01/13 17:11:22 INFO yarn.GiraphYarnClient: Giraph: org.apache.giraph.examples.SimpleShortestPathsComputation, Elapsed: 20.90 secs
  160. 14/01/13 17:11:22 INFO yarn.GiraphYarnClient: appattempt_1389643303411_0027_000001, State: RUNNING, Containers used: 3
  161. 14/01/13 17:11:26 INFO yarn.GiraphYarnClient: Cleaning up HDFS distributed cache directory for Giraph job.
  162. 14/01/13 17:11:27 INFO yarn.GiraphYarnClient: Completed Giraph: org.apache.giraph.examples.SimpleShortestPathsComputation: SUCCEEDED, total running time: 0 minutes, 24 seconds.
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