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From Akhil Das <ak...@sigmoidanalytics.com>
Subject Re: java.io.IOException: No space left on device--regd.
Date Mon, 06 Jul 2015 07:01:40 GMT
You can also set these in the spark-env.sh file :

export SPARK_WORKER_DIR="/mnt/spark/"
export SPARK_LOCAL_DIR="/mnt/spark/"



Thanks
Best Regards

On Mon, Jul 6, 2015 at 12:29 PM, Akhil Das <akhil@sigmoidanalytics.com>
wrote:

> While the job is running, just look in the directory and see whats the
> root cause of it (is it the logs? is it the shuffle? etc). Here's a few
> configuration options which you can try:
>
> - Disable shuffle : spark.shuffle.spill=false (It might end up in OOM)
> - Enable log rotation:
>
> sparkConf.set("spark.executor.logs.rolling.strategy", "size")
> .set("spark.executor.logs.rolling.size.maxBytes", "1024")
> .set("spark.executor.logs.rolling.maxRetainedFiles", "3")
>
>
> Thanks
> Best Regards
>
> On Mon, Jul 6, 2015 at 10:44 AM, Devarajan Srinivasan <
> devathecool1992@gmail.com> wrote:
>
>> Hi ,
>>
>>  I am trying to run an ETL on spark which involves expensive shuffle
>> operation. Basically I require a self-join to be performed on a
>> sparkDataFrame RDD . The job runs fine for around 15 hours and when the
>> stage(which performs the sef-join) is about to complete, I get a *"java.io.IOException:
>> No space left on device"*. I initially thought this could be due  to
>> *spark.local.dir* pointing to */tmp* directory which was configured with
>> *2GB* of space, since this job requires expensive shuffles,spark
>> requires  more space to write the  shuffle files. Hence I configured
>> *spark.local.dir* to point to a different directory which has *1TB* of
>> space. But still I get the same *no space left exception*. What could be
>> the root cause of this issue?
>>
>>
>> Thanks in advance.
>>
>> *Exception stacktrace:*
>>
>> *java.io.IOException: No space left on device
>> 	at java.io.FileOutputStream.writeBytes(Native Method)
>> 	at java.io.FileOutputStream.write(FileOutputStream.java:345)
>> 	at org.apache.spark.storage.DiskBlockObjectWriter$TimeTrackingOutputStream$$anonfun$write$3.apply$mcV$sp(BlockObjectWriter.scala:87)
>> 	at org.apache.spark.storage.DiskBlockObjectWriter.org <http://org.apache.spark.storage.DiskBlockObjectWriter.org>$apache$spark$storage$DiskBlockObjectWriter$$callWithTiming(BlockObjectWriter.scala:229)
>> 	at org.apache.spark.storage.DiskBlockObjectWriter$TimeTrackingOutputStream.write(BlockObjectWriter.scala:87)
>> 	at java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:82)
>> 	at java.io.BufferedOutputStream.write(BufferedOutputStream.java:126)
>> 	at org.xerial.snappy.SnappyOutputStream.dump(SnappyOutputStream.java:297)
>> 	at org.xerial.snappy.SnappyOutputStream.rawWrite(SnappyOutputStream.java:244)
>> 	at org.xerial.snappy.SnappyOutputStream.write(SnappyOutputStream.java:99)
>> 	at java.io.ObjectOutputStream$BlockDataOutputStream.drain(ObjectOutputStream.java:1876)
>> 	at java.io.ObjectOutputStream$BlockDataOutputStream.setBlockDataMode(ObjectOutputStream.java:1785)
>> 	at java.io.ObjectOutputStream.writeNonProxyDesc(ObjectOutputStream.java:1285)
>> 	at java.io.ObjectOutputStream.writeClassDesc(ObjectOutputStream.java:1230)
>> 	at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1426)
>> 	at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1177)
>> 	at java.io.ObjectOutputStream.writeFatalException(ObjectOutputStream.java:1576)
>> 	at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:350)
>> 	at org.apache.spark.serializer.JavaSerializationStream.writeObject(JavaSerializer.scala:44)
>> 	at org.apache.spark.storage.DiskBlockObjectWriter.write(BlockObjectWriter.scala:204)
>> 	at org.apache.spark.util.collection.ExternalSorter.spillToPartitionFiles(ExternalSorter.scala:370)
>> 	at org.apache.spark.util.collection.ExternalSorter.insertAll(ExternalSorter.scala:211)
>> 	at org.apache.spark.shuffle.sort.SortShuffleWriter.write(SortShuffleWriter.scala:63)
>> 	at org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:68)
>> 	at org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:41)
>> 	at org.apache.spark.scheduler.Task.run(Task.scala:64)
>> 	at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:203)
>> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
>> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
>> 	at java.lang.Thread.run(Thread.java:745)*
>>
>>
>>
>

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