Hi. I've done relogin, in fact, I put 'uname -n' and returns 1000000, but it crashs. I'm doing reduceByKey and SparkSQL mixed over 17 files (250MB-500MB/file)
Regards. Miguel Angel. On Mon, Mar 30, 2015 at 1:52 PM, Akhil Das <ak...@sigmoidanalytics.com> wrote: > Mostly, you will have to restart the machines to get the ulimit effect (or > relogin). What operation are you doing? Are you doing too many > repartitions? > > Thanks > Best Regards > > On Mon, Mar 30, 2015 at 4:52 PM, Masf <masfwo...@gmail.com> wrote: > >> Hi >> >> I have a problem with temp data in Spark. I have fixed >> spark.shuffle.manager to "SORT". In /etc/secucity/limits.conf set the next >> values: >> * soft nofile 1000000 >> * hard nofile 1000000 >> In spark-env.sh set ulimit -n 1000000 >> I've restarted the spark service and it continues crashing (Too many open >> files) >> >> How can I resolve? I'm executing Spark 1.2.0 in Cloudera 5.3.2 >> >> java.io.FileNotFoundException: >> /tmp/spark-local-20150330115312-37a7/2f/temp_shuffle_c4ba5bce-c516-4a2a-9e40-56121eb84a8c >> (Too many open files) >> at java.io.FileOutputStream.open(Native Method) >> at java.io.FileOutputStream.<init>(FileOutputStream.java:221) >> at >> org.apache.spark.storage.DiskBlockObjectWriter.open(BlockObjectWriter.scala:123) >> at >> org.apache.spark.util.collection.ExternalSorter$$anonfun$spillToPartitionFiles$1.apply(ExternalSorter.scala:360) >> at >> org.apache.spark.util.collection.ExternalSorter$$anonfun$spillToPartitionFiles$1.apply(ExternalSorter.scala:355) >> at scala.Array$.fill(Array.scala:267) >> at >> org.apache.spark.util.collection.ExternalSorter.spillToPartitionFiles(ExternalSorter.scala:355) >> at >> org.apache.spark.util.collection.ExternalSorter.insertAll(ExternalSorter.scala:211) >> at >> org.apache.spark.shuffle.sort.SortShuffleWriter.write(SortShuffleWriter.scala:65) >> 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:56) >> at >> org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:196) >> at >> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) >> at >> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) >> at java.lang.Thread.run(Thread.java:745) >> 15/03/30 11:54:18 WARN TaskSetManager: Lost task 22.0 in stage 3.0 (TID >> 27, localhost): java.io.FileNotFoundException: >> /tmp/spark-local-20150330115312-37a7/2f/temp_shuffle_c4ba5bce-c516-4a2a-9e40-56121eb84a8c >> (Too many open files) >> at java.io.FileOutputStream.open(Native Method) >> at java.io.FileOutputStream.<init>(FileOutputStream.java:221) >> at >> org.apache.spark.storage.DiskBlockObjectWriter.open(BlockObjectWriter.scala:123) >> at >> org.apache.spark.util.collection.ExternalSorter$$anonfun$spillToPartitionFiles$1.apply(ExternalSorter.scala:360) >> at >> org.apache.spark.util.collection.ExternalSorter$$anonfun$spillToPartitionFiles$1.apply(ExternalSorter.scala:355) >> at scala.Array$.fill(Array.scala:267) >> at >> org.apache.spark.util.collection.ExternalSorter.spillToPartitionFiles(ExternalSorter.scala:355) >> at >> org.apache.spark.util.collection.ExternalSorter.insertAll(ExternalSorter.scala:211) >> at >> org.apache.spark.shuffle.sort.SortShuffleWriter.write(SortShuffleWriter.scala:65) >> 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:56) >> at >> org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:196) >> at >> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) >> at >> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) >> at java.lang.Thread.run(Thread.java:745) >> >> >> >> Thanks!!!!! >> -- >> >> >> Regards. >> Miguel Ángel >> > > -- Saludos. Miguel Ángel
