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From Ramesh Krishnan <ramesh.154...@gmail.com>
Subject Re: Out of core thread exception : java concurrent exception
Date Sat, 14 May 2016 20:25:26 GMT
PFA the correct logs for the concurrent exception

2016-05-14 19:10:55,733 ERROR [ooc-io-0]
org.apache.giraph.utils.LogStacktraceCallable: Execution of callable
failed
java.lang.RuntimeException: java.io.EOFException
	at org.apache.giraph.ooc.OutOfCoreIOCallable.call(OutOfCoreIOCallable.java:76)
	at org.apache.giraph.ooc.OutOfCoreIOCallable.call(OutOfCoreIOCallable.java:30)
	at org.apache.giraph.utils.LogStacktraceCallable.call(LogStacktraceCallable.java:51)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:745)
Caused by: java.io.EOFException
	at java.io.DataInputStream.readInt(DataInputStream.java:392)
	at org.apache.hadoop.io.IntWritable.readFields(IntWritable.java:47)
	at org.apache.giraph.ooc.data.DiskBackedPartitionStore.readOutEdges(DiskBackedPartitionStore.java:286)
	at org.apache.giraph.ooc.data.DiskBackedPartitionStore.loadInMemoryPartitionData(DiskBackedPartitionStore.java:329)
	at org.apache.giraph.ooc.data.OutOfCoreDataManager.loadPartitionData(OutOfCoreDataManager.java:195)
	at org.apache.giraph.ooc.data.DiskBackedPartitionStore.loadPartitionData(DiskBackedPartitionStore.java:360)
	at org.apache.giraph.ooc.io.LoadPartitionIOCommand.execute(LoadPartitionIOCommand.java:64)
	at org.apache.giraph.ooc.OutOfCoreIOCallable.call(OutOfCoreIOCallable.java:72)
	... 6 more
2016-05-14 19:10:55,737 INFO [ooc-io-0]
org.apache.giraph.ooc.OutOfCoreIOCallableFactory: afterExecute: an
out-of-core thread terminated unexpectedly with
java.util.concurrent.ExecutionException: java.lang.RuntimeException:
java.io.EOFException
2016-05-14 19:10:55,739 INFO [checkpoint-vertices-7]
org.apache.giraph.ooc.FixedOutOfCoreEngine: getNextPartition: waiting
until a partition becomes available!
2016-05-14 19:10:56,426 ERROR [checkpoint-vertices-6]
org.apache.giraph.utils.LogStacktraceCallable: Execution of callable
failed
java.lang.RuntimeException: Job Failed due to a failure in an
out-of-core IO thread
	at org.apache.giraph.ooc.FixedOutOfCoreEngine.getNextPartition(FixedOutOfCoreEngine.java:81)
	at org.apache.giraph.ooc.data.DiskBackedPartitionStore.getNextPartition(DiskBackedPartitionStore.java:187)
	at org.apache.giraph.worker.BspServiceWorker$3$1.call(BspServiceWorker.java:1398)
	at org.apache.giraph.worker.BspServiceWorker$3$1.call(BspServiceWorker.java:1392)
	at org.apache.giraph.utils.LogStacktraceCallable.call(LogStacktraceCallable.java:51)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:745)



On Sun, May 15, 2016 at 1:02 AM, Ramesh Krishnan <ramesh.154089@gmail.com>
wrote:

>
> Hi Team,
>
> I have the latest build of giraph running on a 5 node cluster. When i try
> to use OutofCore Graph option for a huge data set like 600Milion edges i am
> running into
> the following exception. Please find below the script being executed and
> the exception logs. I have tried all possible ways and could not avoid this
> issue , i am really in need of your help.
>
> *Script:*hadoop jar
> /usr/local/giraph.back.1.2.0/giraph-examples/target/giraph-examples-1.2.0-SNAPSHOT-for-hadoop-2.7.0-jar-with-dependencies.jar
> org.apache.giraph.GiraphRunner -Dmapreduce.task.timeout=12000000
> -Dmapred.job.tracker=ip-172-31-42-220.eu-west-1.compute.internal:8021
> -Dmapreduce.map.memory.mb=23480 -Dmapreduce.map.java.opts=-Xmx22480m
> org.apache.giraph.examples.ConnectedComponentsComputation   -vif
> org.apache.giraph.io.formats.IntIntNullTextInputFormat -vip /test/input_10M
> -vof org.apache.giraph.io.formats.IdWithValueTextOutputFormat -op
> /test/ouput_10M -w 5 -ca
> giraph.userPartitionCount=150,giraph.SplitMasterWorker=true,giraph.isStaticGraph=true,giraph.maxPartitionsInMemory=10,mapred.map.max.attempts=2,giraph.maxMessagesInMemory=100,giraph.numOutputThreads=10,giraph.useOutOfCoreMessages=true,giraph.numOutputThreads=4,giraph.numInputThreads=4,giraph.useOutOfCoreGraph=true,giraph.cleanupCheckpointsAfterSuccess=true,giraph.checkpointFrequency=1
>
>
>
>
> *Exception:hadoop jar
> /usr/local/giraph.back.1.2.0/giraph-examples/target/giraph-examples-1.2.0-SNAPSHOT-for-hadoop-2.7.0-jar-with-dependencies.jar
> org.apache.giraph.GiraphRunner -Dmapreduce.task.timeout=12000000
> -Dmapred.job.tracker=ip-172-31-42-220.eu-west-1.compute.internal:8021
> -Dmapreduce.map.memory.mb=23480 -Dmapreduce.map.java.opts=-Xmx22480m
> org.apache.giraph.examples.ConnectedComponentsComputation   -vif
> org.apache.giraph.io.formats.IntIntNullTextInputFormat -vip /test/input_10M
> -vof org.apache.giraph.io.formats.IdWithValueTextOutputFormat -op
> /test/ouput_10M -w 5 -ca
> giraph.userPartitionCount=150,giraph.SplitMasterWorker=true,giraph.isStaticGraph=true,giraph.maxPartitionsInMemory=10,mapred.map.max.attempts=2,giraph.maxMessagesInMemory=100,giraph.numOutputThreads=10,giraph.useOutOfCoreMessages=true,giraph.numOutputThreads=4,giraph.numInputThreads=4,giraph.useOutOfCoreGraph=true,giraph.cleanupCheckpointsAfterSuccess=true,giraph.checkpointFrequency=1*
>
> *thanks*
>
> *Ramesh*
>
>

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