hi! I config: mapreduce.map.memory.mb=1638
2014-10-27 08:46:16,824 WARN [main] org.apache.hadoop.conf.Configuration: job.xml:an attempt to override final parameter: mapreduce.job.end-notification.max.retry.interval; Ignoring. 2014-10-27 08:46:16,877 WARN [main] org.apache.hadoop.conf.Configuration: job.xml:an attempt to override final parameter: mapreduce.job.end-notification.max.attempts; Ignoring. 2014-10-27 08:46:17,199 INFO [main] org.apache.hadoop.metrics2.impl.MetricsConfig: loaded properties from hadoop-metrics2.properties 2014-10-27 08:46:17,282 INFO [main] org.apache.hadoop.metrics2.impl.MetricsSystemImpl: Scheduled snapshot period at 10 second(s). 2014-10-27 08:46:17,282 INFO [main] org.apache.hadoop.metrics2.impl.MetricsSystemImpl: MapTask metrics system started 2014-10-27 08:46:17,301 INFO [main] org.apache.hadoop.mapred.YarnChild: Executing with tokens: 2014-10-27 08:46:17,301 INFO [main] org.apache.hadoop.mapred.YarnChild: Kind: YARN_AM_RM_TOKEN, Service: 172.16.40.102:8030, Ident: (org.apache.hadoop.yarn.security.AMRMTokenIdentifier@41a68961) 2014-10-27 08:46:17,449 INFO [main] org.apache.hadoop.mapred.YarnChild: Kind: mapreduce.job, Service: job_1414142946093_8612, Ident: (org.apache.hadoop.mapreduce.security.token.JobTokenIdentifier@31e55839) 2014-10-27 08:46:17,450 INFO [main] org.apache.hadoop.mapred.YarnChild: Kind: RM_DELEGATION_TOKEN, Service: 172.16.40.102:8032, Ident: (owner=cloudil, renewer=oozie mr token, realUser=oozie, issueDate=1414370700648, maxDate=1414975500648, sequenceNumber=9048, masterKeyId=4) 2014-10-27 08:46:17,502 INFO [main] org.apache.hadoop.mapred.YarnChild: Sleeping for 0ms before retrying again. Got null now. 2014-10-27 08:46:17,789 INFO [main] org.apache.hadoop.mapred.YarnChild: mapreduce.cluster.local.dir for child: /rawdata01/yarn/nm/usercache/cloudil/appcache/application_1414142946093_8612,/rawdata02/yarn/nm/usercache/cloudil/appcache/application_1414142946093_8612,/rawdata03/yarn/nm/usercache/cloudil/appcache/application_1414142946093_8612,/rawdata04/yarn/nm/usercache/cloudil/appcache/application_1414142946093_8612,/xdrdata01/yarn/nm/usercache/cloudil/appcache/application_1414142946093_8612,/xdrdata02/yarn/nm/usercache/cloudil/appcache/application_1414142946093_8612,/xdrdata03/yarn/nm/usercache/cloudil/appcache/application_1414142946093_8612,/xdrdata04/yarn/nm/usercache/cloudil/appcache/application_1414142946093_8612 2014-10-27 08:46:17,891 WARN [main] org.apache.hadoop.conf.Configuration: job.xml:an attempt to override final parameter: mapreduce.job.end-notification.max.retry.interval; Ignoring. 2014-10-27 08:46:17,915 WARN [main] org.apache.hadoop.conf.Configuration: job.xml:an attempt to override final parameter: mapreduce.job.end-notification.max.attempts; Ignoring. 2014-10-27 08:46:18,370 INFO [main] org.apache.hadoop.conf.Configuration.deprecation: session.id is deprecated. Instead, use dfs.metrics.session-id 2014-10-27 08:46:19,427 INFO [main] org.apache.hadoop.conf.Configuration.deprecation: mapred.textoutputformat.separator is deprecated. Instead, use mapreduce.output.textoutputformat.separator 2014-10-27 08:46:19,519 INFO [main] org.apache.hadoop.mapred.Task: Using ResourceCalculatorProcessTree : [ ] 2014-10-27 08:46:19,870 INFO [main] org.apache.hadoop.mapred.MapTask: Processing split: Number of splits :1 Total Length = 143988376 Input split[0]: Length = 143988376 Locations: ----------------------- 2014-10-27 08:46:19,899 INFO [main] org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigRecordReader: Current split being processed hdfs://new-nameservice/csv-pig/gbiupsdns/startdate=2014102707/201410270740-gbiupsdns-pssig102-68902910.DAT:268435456+143988376 2014-10-27 08:46:20,100 INFO [main] org.apache.hadoop.mapred.MapTask: (EQUATOR) 0 kvi 134217724(536870896) 2014-10-27 08:46:20,100 INFO [main] org.apache.hadoop.mapred.MapTask: mapreduce.task.io.sort.mb: 512 2014-10-27 08:46:20,100 INFO [main] org.apache.hadoop.mapred.MapTask: soft limit at 429496736 2014-10-27 08:46:20,100 INFO [main] org.apache.hadoop.mapred.MapTask: bufstart = 0; bufvoid = 536870912 2014-10-27 08:46:20,100 INFO [main] org.apache.hadoop.mapred.MapTask: kvstart = 134217724; length = 33554432 2014-10-27 08:46:20,122 INFO [main] org.apache.hadoop.mapred.MapTask: Map output collector class = org.apache.hadoop.mapred.MapTask$MapOutputBuffer 2014-10-27 08:46:20,256 INFO [main] org.apache.pig.data.SchemaTupleBackend: Key [pig.schematuple] was not set... will not generate code. 2014-10-27 08:46:21,106 INFO [main] org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigGenericMapReduce$Map: Aliases being processed per job phase (AliasName[line,offset]): M: load_gbiups_dns[28,19],load_gbiups_dns[-1,-1],gbiups_dns[83,13],gbiups_dns[-1,-1],C[139,4],result[144,9],group_result[142,15],result_apptypewhole[214,22],group_result_apptypewhole[212,28],result_noapptype[283,19],group_result_noapptype[281,25],result_city[352,14],group_result_city[350,20],result_city_apptypewhole[421,27],group_result_city_apptypewhole[419,33],result_city_noapptype[490,24],group_result_city_noapptype[488,30],load_gbiups_http[38,20],load_gbiups_http[-1,-1],gbiups_http[24,14],gbiups_http[-1,-1] C: result[144,9],group_result[142,15],result_apptypewhole[214,22],group_result_apptypewhole[212,28],result_noapptype[283,19],group_result_noapptype[281,25],result_city[352,14],group_result_city[350,20],result_city_apptypewhole[421,27],group_result_city_apptypewhole[419,33],result_city_noapptype[490,24],group_result_city_noapptype[488,30] R: result[144,9],result_apptypewhole[214,22],result_noapptype[283,19],result_city[352,14],result_city_apptypewhole[421,27],result_city_noapptype[490,24] 2014-10-27 08:46:21,110 INFO [main] org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigRecordReader: Created input record counter: Input records from _1_startdate=2014102707 2014-10-27 08:48:59,704 INFO [main] org.apache.hadoop.mapred.MapTask: Spilling map output 2014-10-27 08:48:59,704 INFO [main] org.apache.hadoop.mapred.MapTask: bufstart = 0; bufend = 402331648; bufvoid = 536870912 2014-10-27 08:48:59,704 INFO [main] org.apache.hadoop.mapred.MapTask: kvstart = 134217724(536870896); kvend = 127426452(509705808); length = 6791273/33554432 2014-10-27 08:48:59,704 INFO [main] org.apache.hadoop.mapred.MapTask: (EQUATOR) 409149040 kvi 102287256(409149024) 2014-10-27 08:49:03,421 INFO [SpillThread] org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigCombiner$Combine: Aliases being processed per job phase (AliasName[line,offset]): M: load_gbiups_dns[28,19],load_gbiups_dns[-1,-1],gbiups_dns[83,13],gbiups_dns[-1,-1],C[139,4],result[144,9],group_result[142,15],result_apptypewhole[214,22],group_result_apptypewhole[212,28],result_noapptype[283,19],group_result_noapptype[281,25],result_city[352,14],group_result_city[350,20],result_city_apptypewhole[421,27],group_result_city_apptypewhole[419,33],result_city_noapptype[490,24],group_result_city_noapptype[488,30],load_gbiups_http[38,20],load_gbiups_http[-1,-1],gbiups_http[24,14],gbiups_http[-1,-1] C: result[144,9],group_result[142,15],result_apptypewhole[214,22],group_result_apptypewhole[212,28],result_noapptype[283,19],group_result_noapptype[281,25],result_city[352,14],group_result_city[350,20],result_city_apptypewhole[421,27],group_result_city_apptypewhole[419,33],result_city_noapptype[490,24],group_result_city_noapptype[488,30] R: result[144,9],result_apptypewhole[214,22],result_noapptype[283,19],result_city[352,14],result_city_apptypewhole[421,27],result_city_noapptype[490,24] 2014-10-27 08:49:08,209 INFO [SpillThread] org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigCombiner$Combine: Aliases being processed per job phase (AliasName[line,offset]): M: load_gbiups_dns[28,19],load_gbiups_dns[-1,-1],gbiups_dns[83,13],gbiups_dns[-1,-1],C[139,4],result[144,9],group_result[142,15],result_apptypewhole[214,22],group_result_apptypewhole[212,28],result_noapptype[283,19],group_result_noapptype[281,25],result_city[352,14],group_result_city[350,20],result_city_apptypewhole[421,27],group_result_city_apptypewhole[419,33],result_city_noapptype[490,24],group_result_city_noapptype[488,30],load_gbiups_http[38,20],load_gbiups_http[-1,-1],gbiups_http[24,14],gbiups_http[-1,-1] C: result[144,9],group_result[142,15],result_apptypewhole[214,22],group_result_apptypewhole[212,28],result_noapptype[283,19],group_result_noapptype[281,25],result_city[352,14],group_result_city[350,20],result_city_apptypewhole[421,27],group_result_city_apptypewhole[419,33],result_city_noapptype[490,24],group_result_city_noapptype[488,30] R: result[144,9],result_apptypewhole[214,22],result_noapptype[283,19],result_city[352,14],result_city_apptypewhole[421,27],result_city_noapptype[490,24] 2014-10-27 08:49:08,531 INFO [Service Thread] org.apache.pig.impl.util.SpillableMemoryManager: first memory handler call- Usage threshold init = 930611200(908800K) used = 658047360(642624K) committed = 930611200(908800K) max = 931135488(909312K) 2014-10-27 08:49:13,128 INFO [SpillThread] org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigCombiner$Combine: Aliases being processed per job phase (AliasName[line,offset]): M: load_gbiups_dns[28,19],load_gbiups_dns[-1,-1],gbiups_dns[83,13],gbiups_dns[-1,-1],C[139,4],result[144,9],group_result[142,15],result_apptypewhole[214,22],group_result_apptypewhole[212,28],result_noapptype[283,19],group_result_noapptype[281,25],result_city[352,14],group_result_city[350,20],result_city_apptypewhole[421,27],group_result_city_apptypewhole[419,33],result_city_noapptype[490,24],group_result_city_noapptype[488,30],load_gbiups_http[38,20],load_gbiups_http[-1,-1],gbiups_http[24,14],gbiups_http[-1,-1] C: result[144,9],group_result[142,15],result_apptypewhole[214,22],group_result_apptypewhole[212,28],result_noapptype[283,19],group_result_noapptype[281,25],result_city[352,14],group_result_city[350,20],result_city_apptypewhole[421,27],group_result_city_apptypewhole[419,33],result_city_noapptype[490,24],group_result_city_noapptype[488,30] R: result[144,9],result_apptypewhole[214,22],result_noapptype[283,19],result_city[352,14],result_city_apptypewhole[421,27],result_city_noapptype[490,24] 2014-10-27 08:49:14,617 INFO [Service Thread] org.apache.pig.impl.util.SpillableMemoryManager: first memory handler call - Collection threshold init = 930611200(908800K) used = 607517568(593278K) committed = 931135488(909312K) max = 931135488(909312K) 2014-10-27 08:49:17,579 INFO [SpillThread] org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigCombiner$Combine: Aliases being processed per job phase (AliasName[line,offset]): M: load_gbiups_dns[28,19],load_gbiups_dns[-1,-1],gbiups_dns[83,13],gbiups_dns[-1,-1],C[139,4],result[144,9],group_result[142,15],result_apptypewhole[214,22],group_result_apptypewhole[212,28],result_noapptype[283,19],group_result_noapptype[281,25],result_city[352,14],group_result_city[350,20],result_city_apptypewhole[421,27],group_result_city_apptypewhole[419,33],result_city_noapptype[490,24],group_result_city_noapptype[488,30],load_gbiups_http[38,20],load_gbiups_http[-1,-1],gbiups_http[24,14],gbiups_http[-1,-1] C: result[144,9],group_result[142,15],result_apptypewhole[214,22],group_result_apptypewhole[212,28],result_noapptype[283,19],group_result_noapptype[281,25],result_city[352,14],group_result_city[350,20],result_city_apptypewhole[421,27],group_result_city_apptypewhole[419,33],result_city_noapptype[490,24],group_result_city_noapptype[488,30] R: result[144,9],result_apptypewhole[214,22],result_noapptype[283,19],result_city[352,14],result_city_apptypewhole[421,27],result_city_noapptype[490,24] 2014-10-27 08:49:25,038 INFO [SpillThread] org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigCombiner$Combine: Aliases being processed per job phase (AliasName[line,offset]): M: load_gbiups_dns[28,19],load_gbiups_dns[-1,-1],gbiups_dns[83,13],gbiups_dns[-1,-1],C[139,4],result[144,9],group_result[142,15],result_apptypewhole[214,22],group_result_apptypewhole[212,28],result_noapptype[283,19],group_result_noapptype[281,25],result_city[352,14],group_result_city[350,20],result_city_apptypewhole[421,27],group_result_city_apptypewhole[419,33],result_city_noapptype[490,24],group_result_city_noapptype[488,30],load_gbiups_http[38,20],load_gbiups_http[-1,-1],gbiups_http[24,14],gbiups_http[-1,-1] C: result[144,9],group_result[142,15],result_apptypewhole[214,22],group_result_apptypewhole[212,28],result_noapptype[283,19],group_result_noapptype[281,25],result_city[352,14],group_result_city[350,20],result_city_apptypewhole[421,27],group_result_city_apptypewhole[419,33],result_city_noapptype[490,24],group_result_city_noapptype[488,30] R: result[144,9],result_apptypewhole[214,22],result_noapptype[283,19],result_city[352,14],result_city_apptypewhole[421,27],result_city_noapptype[490,24] 2014-10-27 08:49:28,230 INFO [SpillThread] org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigCombiner$Combine: Aliases being processed per job phase (AliasName[line,offset]): M: load_gbiups_dns[28,19],load_gbiups_dns[-1,-1],gbiups_dns[83,13],gbiups_dns[-1,-1],C[139,4],result[144,9],group_result[142,15],result_apptypewhole[214,22],group_result_apptypewhole[212,28],result_noapptype[283,19],group_result_noapptype[281,25],result_city[352,14],group_result_city[350,20],result_city_apptypewhole[421,27],group_result_city_apptypewhole[419,33],result_city_noapptype[490,24],group_result_city_noapptype[488,30],load_gbiups_http[38,20],load_gbiups_http[-1,-1],gbiups_http[24,14],gbiups_http[-1,-1] C: result[144,9],group_result[142,15],result_apptypewhole[214,22],group_result_apptypewhole[212,28],result_noapptype[283,19],group_result_noapptype[281,25],result_city[352,14],group_result_city[350,20],result_city_apptypewhole[421,27],group_result_city_apptypewhole[419,33],result_city_noapptype[490,24],group_result_city_noapptype[488,30] R: result[144,9],result_apptypewhole[214,22],result_noapptype[283,19],result_city[352,14],result_city_apptypewhole[421,27],result_city_noapptype[490,24] 2014-10-27 08:49:31,571 INFO [SpillThread] org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigCombiner$Combine: Aliases being processed per job phase (AliasName[line,offset]): M: load_gbiups_dns[28,19],load_gbiups_dns[-1,-1],gbiups_dns[83,13],gbiups_dns[-1,-1],C[139,4],result[144,9],group_result[142,15],result_apptypewhole[214,22],group_result_apptypewhole[212,28],result_noapptype[283,19],group_result_noapptype[281,25],result_city[352,14],group_result_city[350,20],result_city_apptypewhole[421,27],group_result_city_apptypewhole[419,33],result_city_noapptype[490,24],group_result_city_noapptype[488,30],load_gbiups_http[38,20],load_gbiups_http[-1,-1],gbiups_http[24,14],gbiups_http[-1,-1] C: result[144,9],group_result[142,15],result_apptypewhole[214,22],group_result_apptypewhole[212,28],result_noapptype[283,19],group_result_noapptype[281,25],result_city[352,14],group_result_city[350,20],result_city_apptypewhole[421,27],group_result_city_apptypewhole[419,33],result_city_noapptype[490,24],group_result_city_noapptype[488,30] R: result[144,9],result_apptypewhole[214,22],result_noapptype[283,19],result_city[352,14],result_city_apptypewhole[421,27],result_city_noapptype[490,24] 2014-10-27 08:49:35,540 INFO [SpillThread] org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigCombiner$Combine: Aliases being processed per job phase (AliasName[line,offset]): M: load_gbiups_dns[28,19],load_gbiups_dns[-1,-1],gbiups_dns[83,13],gbiups_dns[-1,-1],C[139,4],result[144,9],group_result[142,15],result_apptypewhole[214,22],group_result_apptypewhole[212,28],result_noapptype[283,19],group_result_noapptype[281,25],result_city[352,14],group_result_city[350,20],result_city_apptypewhole[421,27],group_result_city_apptypewhole[419,33],result_city_noapptype[490,24],group_result_city_noapptype[488,30],load_gbiups_http[38,20],load_gbiups_http[-1,-1],gbiups_http[24,14],gbiups_http[-1,-1] C: result[144,9],group_result[142,15],result_apptypewhole[214,22],group_result_apptypewhole[212,28],result_noapptype[283,19],group_result_noapptype[281,25],result_city[352,14],group_result_city[350,20],result_city_apptypewhole[421,27],group_result_city_apptypewhole[419,33],result_city_noapptype[490,24],group_result_city_noapptype[488,30] R: result[144,9],result_apptypewhole[214,22],result_noapptype[283,19],result_city[352,14],result_city_apptypewhole[421,27],result_city_noapptype[490,24] 2014-10-27 08:49:40,871 INFO [SpillThread] org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigCombiner$Combine: Aliases being processed per job phase (AliasName[line,offset]): M: load_gbiups_dns[28,19],load_gbiups_dns[-1,-1],gbiups_dns[83,13],gbiups_dns[-1,-1],C[139,4],result[144,9],group_result[142,15],result_apptypewhole[214,22],group_result_apptypewhole[212,28],result_noapptype[283,19],group_result_noapptype[281,25],result_city[352,14],group_result_city[350,20],result_city_apptypewhole[421,27],group_result_city_apptypewhole[419,33],result_city_noapptype[490,24],group_result_city_noapptype[488,30],load_gbiups_http[38,20],load_gbiups_http[-1,-1],gbiups_http[24,14],gbiups_http[-1,-1] C: result[144,9],group_result[142,15],result_apptypewhole[214,22],group_result_apptypewhole[212,28],result_noapptype[283,19],group_result_noapptype[281,25],result_city[352,14],group_result_city[350,20],result_city_apptypewhole[421,27],group_result_city_apptypewhole[419,33],result_city_noapptype[490,24],group_result_city_noapptype[488,30] R: result[144,9],result_apptypewhole[214,22],result_noapptype[283,19],result_city[352,14],result_city_apptypewhole[421,27],result_city_noapptype[490,24] 2014-10-27 08:49:44,335 INFO [SpillThread] org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigCombiner$Combine: Aliases being processed per job phase (AliasName[line,offset]): M: load_gbiups_dns[28,19],load_gbiups_dns[-1,-1],gbiups_dns[83,13],gbiups_dns[-1,-1],C[139,4],result[144,9],group_result[142,15],result_apptypewhole[214,22],group_result_apptypewhole[212,28],result_noapptype[283,19],group_result_noapptype[281,25],result_city[352,14],group_result_city[350,20],result_city_apptypewhole[421,27],group_result_city_apptypewhole[419,33],result_city_noapptype[490,24],group_result_city_noapptype[488,30],load_gbiups_http[38,20],load_gbiups_http[-1,-1],gbiups_http[24,14],gbiups_http[-1,-1] C: result[144,9],group_result[142,15],result_apptypewhole[214,22],group_result_apptypewhole[212,28],result_noapptype[283,19],group_result_noapptype[281,25],result_city[352,14],group_result_city[350,20],result_city_apptypewhole[421,27],group_result_city_apptypewhole[419,33],result_city_noapptype[490,24],group_result_city_noapptype[488,30] R: result[144,9],result_apptypewhole[214,22],result_noapptype[283,19],result_city[352,14],result_city_apptypewhole[421,27],result_city_noapptype[490,24] 2014-10-27 08:49:56,430 INFO [main] org.apache.hadoop.mapred.MapTask: Starting flush of map output 2014-10-27 08:49:59,529 INFO [SpillThread] org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigCombiner$Combine: Aliases being processed per job phase (AliasName[line,offset]): M: load_gbiups_dns[28,19],load_gbiups_dns[-1,-1],gbiups_dns[83,13],gbiups_dns[-1,-1],C[139,4],result[144,9],group_result[142,15],result_apptypewhole[214,22],group_result_apptypewhole[212,28],result_noapptype[283,19],group_result_noapptype[281,25],result_city[352,14],group_result_city[350,20],result_city_apptypewhole[421,27],group_result_city_apptypewhole[419,33],result_city_noapptype[490,24],group_result_city_noapptype[488,30],load_gbiups_http[38,20],load_gbiups_http[-1,-1],gbiups_http[24,14],gbiups_http[-1,-1] C: result[144,9],group_result[142,15],result_apptypewhole[214,22],group_result_apptypewhole[212,28],result_noapptype[283,19],group_result_noapptype[281,25],result_city[352,14],group_result_city[350,20],result_city_apptypewhole[421,27],group_result_city_apptypewhole[419,33],result_city_noapptype[490,24],group_result_city_noapptype[488,30] R: result[144,9],result_apptypewhole[214,22],result_noapptype[283,19],result_city[352,14],result_city_apptypewhole[421,27],result_city_noapptype[490,24] 2014-10-27 08:52:28,501 INFO [communication thread] org.apache.hadoop.mapred.Task: Communication exception: java.lang.OutOfMemoryError: GC overhead limit exceeded at java.nio.HeapByteBuffer.<init>(HeapByteBuffer.java:57) at java.nio.ByteBuffer.allocate(ByteBuffer.java:331) at sun.nio.cs.StreamDecoder.<init>(StreamDecoder.java:250) at sun.nio.cs.StreamDecoder.<init>(StreamDecoder.java:230) at sun.nio.cs.StreamDecoder.forInputStreamReader(StreamDecoder.java:69) at java.io.InputStreamReader.<init>(InputStreamReader.java:74) at java.io.FileReader.<init>(FileReader.java:72) at org.apache.hadoop.yarn.util.ProcfsBasedProcessTree.constructProcessInfo(ProcfsBasedProcessTree.java:495) at org.apache.hadoop.yarn.util.ProcfsBasedProcessTree.updateProcessTree(ProcfsBasedProcessTree.java:214) at org.apache.hadoop.mapred.Task.updateResourceCounters(Task.java:845) at org.apache.hadoop.mapred.Task.updateCounters(Task.java:984) at org.apache.hadoop.mapred.Task.access$500(Task.java:78) at org.apache.hadoop.mapred.Task$TaskReporter.run(Task.java:733) at java.lang.Thread.run(Thread.java:745) 2014-10-27 08:52:34,664 FATAL [main] org.apache.hadoop.mapred.Task: Task attempt_1414142946093_8612_m_000005_0 failed : java.lang.OutOfMemoryError: GC overhead limit exceeded at org.apache.pig.data.DefaultTuple.<init>(DefaultTuple.java:69) at org.apache.pig.data.BinSedesTuple.<init>(BinSedesTuple.java:66) at org.apache.pig.data.BinSedesTupleFactory.newTuple(BinSedesTupleFactory.java:38) at org.apache.pig.data.utils.SedesHelper.readGenericTuple(SedesHelper.java:142) at org.apache.pig.data.BinInterSedes.readDatum(BinInterSedes.java:349) at org.apache.pig.data.BinInterSedes.readDatum(BinInterSedes.java:318) at org.apache.pig.data.InternalCachedBag$CachedBagIterator.hasNext(InternalCachedBag.java:208) at org.apache.pig.builtin.AlgebraicLongMathBase.doTupleWork(AlgebraicLongMathBase.java:72) at org.apache.pig.builtin.AlgebraicLongMathBase$Intermediate.exec(AlgebraicLongMathBase.java:108) at org.apache.pig.builtin.AlgebraicLongMathBase$Intermediate.exec(AlgebraicLongMathBase.java:102) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.POUserFunc.getNext(POUserFunc.java:330) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.POUserFunc.getNextTuple(POUserFunc.java:369) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.PhysicalOperator.getNext(PhysicalOperator.java:333) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POForEach.processPlan(POForEach.java:378) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POForEach.getNextTuple(POForEach.java:298) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.PhysicalOperator.processInput(PhysicalOperator.java:281) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POLocalRearrange.getNextTuple(POLocalRearrange.java:263) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.PODemux.runPipeline(PODemux.java:220) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.PODemux.getNextTuple(PODemux.java:210) at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigCombiner$Combine.processOnePackageOutput(PigCombiner.java:183) at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigCombiner$Combine.reduce(PigCombiner.java:161) at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigCombiner$Combine.reduce(PigCombiner.java:51) at org.apache.hadoop.mapreduce.Reducer.run(Reducer.java:171) at org.apache.hadoop.mapred.Task$NewCombinerRunner.combine(Task.java:1651) at org.apache.hadoop.mapred.MapTask$MapOutputBuffer.sortAndSpill(MapTask.java:1632) at org.apache.hadoop.mapred.MapTask$MapOutputBuffer.access$900(MapTask.java:873) at org.apache.hadoop.mapred.MapTask$MapOutputBuffer$SpillThread.run(MapTask.java:1525) 2014-10-27 08:52:34,890 INFO [main] org.apache.hadoop.mapred.MapTask: Starting flush of map output 2014-10-27 08:52:34,890 FATAL [main] org.apache.hadoop.mapred.Task: Task attempt_1414142946093_8612_m_000005_0 failed : java.lang.OutOfMemoryError: GC overhead limit exceeded at org.apache.pig.data.DefaultTuple.<init>(DefaultTuple.java:69) at org.apache.pig.data.BinSedesTuple.<init>(BinSedesTuple.java:66) at org.apache.pig.data.BinSedesTupleFactory.newTuple(BinSedesTupleFactory.java:38) at org.apache.pig.data.utils.SedesHelper.readGenericTuple(SedesHelper.java:142) at org.apache.pig.data.BinInterSedes.readDatum(BinInterSedes.java:349) at org.apache.pig.data.BinInterSedes.readDatum(BinInterSedes.java:318) at org.apache.pig.data.InternalCachedBag$CachedBagIterator.hasNext(InternalCachedBag.java:208) at org.apache.pig.builtin.AlgebraicLongMathBase.doTupleWork(AlgebraicLongMathBase.java:72) at org.apache.pig.builtin.AlgebraicLongMathBase$Intermediate.exec(AlgebraicLongMathBase.java:108) at org.apache.pig.builtin.AlgebraicLongMathBase$Intermediate.exec(AlgebraicLongMathBase.java:102) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.POUserFunc.getNext(POUserFunc.java:330) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.POUserFunc.getNextTuple(POUserFunc.java:369) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.PhysicalOperator.getNext(PhysicalOperator.java:333) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POForEach.processPlan(POForEach.java:378) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POForEach.getNextTuple(POForEach.java:298) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.PhysicalOperator.processInput(PhysicalOperator.java:281) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POLocalRearrange.getNextTuple(POLocalRearrange.java:263) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.PODemux.runPipeline(PODemux.java:220) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.PODemux.getNextTuple(PODemux.java:210) at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigCombiner$Combine.processOnePackageOutput(PigCombiner.java:183) at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigCombiner$Combine.reduce(PigCombiner.java:161) at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigCombiner$Combine.reduce(PigCombiner.java:51) at org.apache.hadoop.mapreduce.Reducer.run(Reducer.java:171) at org.apache.hadoop.mapred.Task$NewCombinerRunner.combine(Task.java:1651) at org.apache.hadoop.mapred.MapTask$MapOutputBuffer.sortAndSpill(MapTask.java:1632) at org.apache.hadoop.mapred.MapTask$MapOutputBuffer.access$900(MapTask.java:873) at org.apache.hadoop.mapred.MapTask$MapOutputBuffer$SpillThread.run(MapTask.java:1525) 2014-10-27 08:52:34,897 INFO [main] org.apache.hadoop.mapred.MapTask: Ignoring exception during close for org.apache.hadoop.mapred.MapTask$NewOutputCollector@1475a7cf java.io.IOException: Spill failed at org.apache.hadoop.mapred.MapTask$MapOutputBuffer.checkSpillException(MapTask.java:1555) at org.apache.hadoop.mapred.MapTask$MapOutputBuffer.flush(MapTask.java:1464) at org.apache.hadoop.mapred.MapTask$NewOutputCollector.close(MapTask.java:720) at org.apache.hadoop.mapred.MapTask.closeQuietly(MapTask.java:2014) at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:794) at org.apache.hadoop.mapred.MapTask.run(MapTask.java:341) at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:168) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAs(Subject.java:415) at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1614) at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:163) Caused by: java.lang.OutOfMemoryError: GC overhead limit exceeded at org.apache.pig.data.DefaultTuple.<init>(DefaultTuple.java:69) at org.apache.pig.data.BinSedesTuple.<init>(BinSedesTuple.java:66) at org.apache.pig.data.BinSedesTupleFactory.newTuple(BinSedesTupleFactory.java:38) at org.apache.pig.data.utils.SedesHelper.readGenericTuple(SedesHelper.java:142) at org.apache.pig.data.BinInterSedes.readDatum(BinInterSedes.java:349) at org.apache.pig.data.BinInterSedes.readDatum(BinInterSedes.java:318) at org.apache.pig.data.InternalCachedBag$CachedBagIterator.hasNext(InternalCachedBag.java:208) at org.apache.pig.builtin.AlgebraicLongMathBase.doTupleWork(AlgebraicLongMathBase.java:72) at org.apache.pig.builtin.AlgebraicLongMathBase$Intermediate.exec(AlgebraicLongMathBase.java:108) at org.apache.pig.builtin.AlgebraicLongMathBase$Intermediate.exec(AlgebraicLongMathBase.java:102) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.POUserFunc.getNext(POUserFunc.java:330) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.POUserFunc.getNextTuple(POUserFunc.java:369) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.PhysicalOperator.getNext(PhysicalOperator.java:333) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POForEach.processPlan(POForEach.java:378) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POForEach.getNextTuple(POForEach.java:298) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.PhysicalOperator.processInput(PhysicalOperator.java:281) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POLocalRearrange.getNextTuple(POLocalRearrange.java:263) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.PODemux.runPipeline(PODemux.java:220) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.PODemux.getNextTuple(PODemux.java:210) at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigCombiner$Combine.processOnePackageOutput(PigCombiner.java:183) at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigCombiner$Combine.reduce(PigCombiner.java:161) at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigCombiner$Combine.reduce(PigCombiner.java:51) at org.apache.hadoop.mapreduce.Reducer.run(Reducer.java:171) at org.apache.hadoop.mapred.Task$NewCombinerRunner.combine(Task.java:1651) at org.apache.hadoop.mapred.MapTask$MapOutputBuffer.sortAndSpill(MapTask.java:1632) at org.apache.hadoop.mapred.MapTask$MapOutputBuffer.access$900(MapTask.java:873) at org.apache.hadoop.mapred.MapTask$MapOutputBuffer$SpillThread.run(MapTask.java:1525) 2014-10-27 08:52:34,900 WARN [main] org.apache.hadoop.mapred.YarnChild: Exception running child : java.io.IOException: Spill failed at org.apache.hadoop.mapred.MapTask$MapOutputBuffer.checkSpillException(MapTask.java:1555) at org.apache.hadoop.mapred.MapTask$MapOutputBuffer.flush(MapTask.java:1464) at org.apache.hadoop.mapred.MapTask$NewOutputCollector.close(MapTask.java:720) at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:790) at org.apache.hadoop.mapred.MapTask.run(MapTask.java:341) at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:168) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAs(Subject.java:415) at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1614) at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:163) Caused by: java.lang.OutOfMemoryError: GC overhead limit exceeded at org.apache.pig.data.DefaultTuple.<init>(DefaultTuple.java:69) at org.apache.pig.data.BinSedesTuple.<init>(BinSedesTuple.java:66) at org.apache.pig.data.BinSedesTupleFactory.newTuple(BinSedesTupleFactory.java:38) at org.apache.pig.data.utils.SedesHelper.readGenericTuple(SedesHelper.java:142) at org.apache.pig.data.BinInterSedes.readDatum(BinInterSedes.java:349) at org.apache.pig.data.BinInterSedes.readDatum(BinInterSedes.java:318) at org.apache.pig.data.InternalCachedBag$CachedBagIterator.hasNext(InternalCachedBag.java:208) at org.apache.pig.builtin.AlgebraicLongMathBase.doTupleWork(AlgebraicLongMathBase.java:72) at org.apache.pig.builtin.AlgebraicLongMathBase$Intermediate.exec(AlgebraicLongMathBase.java:108) at org.apache.pig.builtin.AlgebraicLongMathBase$Intermediate.exec(AlgebraicLongMathBase.java:102) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.POUserFunc.getNext(POUserFunc.java:330) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.POUserFunc.getNextTuple(POUserFunc.java:369) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.PhysicalOperator.getNext(PhysicalOperator.java:333) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POForEach.processPlan(POForEach.java:378) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POForEach.getNextTuple(POForEach.java:298) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.PhysicalOperator.processInput(PhysicalOperator.java:281) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POLocalRearrange.getNextTuple(POLocalRearrange.java:263) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.PODemux.runPipeline(PODemux.java:220) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.PODemux.getNextTuple(PODemux.java:210) at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigCombiner$Combine.processOnePackageOutput(PigCombiner.java:183) at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigCombiner$Combine.reduce(PigCombiner.java:161) at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigCombiner$Combine.reduce(PigCombiner.java:51) at org.apache.hadoop.mapreduce.Reducer.run(Reducer.java:171) at org.apache.hadoop.mapred.Task$NewCombinerRunner.combine(Task.java:1651) at org.apache.hadoop.mapred.MapTask$MapOutputBuffer.sortAndSpill(MapTask.java:1632) at org.apache.hadoop.mapred.MapTask$MapOutputBuffer.access$900(MapTask.java:873) at org.apache.hadoop.mapred.MapTask$MapOutputBuffer$SpillThread.run(MapTask.java:1525)