2016-06-08T01:42:07,991 ERROR [task-runner-0] io.druid.indexing.overlord.ThreadPoolTaskRunner - Exception while running task[HadoopIndexTask{id=index_hadoop_datasource01_2016-06-07T23:18:03.684Z, type=index_hadoop, dataSource=datasource01}]java.lang.RuntimeException: java.lang.reflect.InvocationTargetException at com.google.common.base.Throwables.propagate(Throwables.java:160) ~[guava-16.0.1.jar:?] at io.druid.indexing.common.task.HadoopTask.invokeForeignLoader(HadoopTask.java:138) ~[druid-indexing-service-0.8.3.jar:0.8.3] at io.druid.indexing.common.task.HadoopIndexTask.run(HadoopIndexTask.java:206) ~[druid-indexing-service-0.8.3.jar:0.8.3] at io.druid.indexing.overlord.ThreadPoolTaskRunner$ThreadPoolTaskRunnerCallable.call(ThreadPoolTaskRunner.java:285) [druid-indexing-service-0.8.3.jar:0.8.3] at io.druid.indexing.overlord.ThreadPoolTaskRunner$ThreadPoolTaskRunnerCallable.call(ThreadPoolTaskRunner.java:265) [druid-indexing-service-0.8.3.jar:0.8.3] at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_71] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [?:1.8.0_71] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [?:1.8.0_71] at java.lang.Thread.run(Thread.java:745) [?:1.8.0_71]Caused by: java.lang.reflect.InvocationTargetException at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_71] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_71] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_71] at java.lang.reflect.Method.invoke(Method.java:497) ~[?:1.8.0_71] at io.druid.indexing.common.task.HadoopTask.invokeForeignLoader(HadoopTask.java:135) ~[druid-indexing-service-0.8.3.jar:0.8.3] ... 7 moreCaused by: java.lang.OutOfMemoryError: Java heap space
druid.indexer.runner.javaOpts=-server -Xmx2g -XX:+UseG1GC
"tuningConfig": { "type": "hadoop", "partitionsSpec": { "targetPartitionSize": 0 }, "numBackgroundPersistThreads" : 1, "jobProperties": { "mapreduce.map.memory.mb": 2048, "mapreduce.map.java.opts": "-server -Xmx1536m -Duser.timezone=UTC -Dfile.encoding=UTF-8", "mapreduce.reduce.memory.mb": 6144, "mapreduce.reduce.java.opts":"-server -Xmx2560m -Duser.timezone=UTC -Dfile.encoding=UTF-8" }}
2016-06-10T20:16:52,308 INFO [LocalJobRunner Map Task Executor #0] org.apache.hadoop.mapred.MapTask - mapreduce.task.io.sort.mb: 100
"tuningConfig": { "type": "hadoop", "partitionsSpec": { "targetPartitionSize": 0 }, "numBackgroundPersistThreads" : 1,
"useCombiner": true, "jobProperties": { "mapreduce.task.io.sort.mb": 201 } }
druid.indexer.fork.property.hadoop.mapreduce.task.io.sort.mb=202
druid.indexer.runner.javaOpts=-server -Xmx2g -XX:+UseG1GC -XX:MaxGCPauseMillis=100 -Dhadoop.mapreduce.task.io.sort.mb=203
"tuningConfig" : { "type" : "hadoop", "partitionsSpec" : { "targetPartitionSize" : 0 }, "numBackgroundPersistThreads" : 1, "useCombiner" : true, "jobProperties" : {
"mapreduce.map.memory.mb" : 2048, "mapreduce.map.java.opts" : "-server -Xmx1536m -Duser.timezone=UTC -Dfile.encoding=UTF-8", "mapreduce.reduce.memory.mb" : 6144,
"mapreduce.reduce.java.opts" : "-server -Xmx2560m -Duser.timezone=UTC -Dfile.encoding=UTF-8",
"mapreduce.job.reduces" : 21, "mapreduce.job.jvm.numtasks" : 20, "mapreduce.reduce.shuffle.parallelcopies" : 50, "mapreduce.reduce.shuffle.input.buffer.percent" : 0.5, "mapreduce.task.io.sort.mb" : 250, "mapreduce.task.io.sort.factor" : 100, "mapreduce.jobtracker.handler.count" : 64, "mapreduce.tasktracker.http.threads" : 20,
"mapreduce.output.fileoutputformat.compress" : false, "mapreduce.output.fileoutputformat.compress.type" : "BLOCK", "mapreduce.output.fileoutputformat.compress.codec" : "org.apache.hadoop.io.compress.DefaultCodec", "mapreduce.map.output.compress" : true, "mapreduce.map.output.compress.codec" : "org.apache.hadoop.io.compress.DefaultCodec", "mapreduce.map.speculative" : false, "mapreduce.reduce.speculative" : false, "mapreduce.task.timeout" : 1800000 }}