Hi,
Using Spark 1.2 I ran into issued setting SPARK_LOCAL_DIRS to a different
path then local directory.
On our cluster we have a folder for temporary files (in a central file
system), which is called /scratch.
When setting SPARK_LOCAL_DIRS=/scratch/<node name>
I get:
An error occurred while calling
z:org.apache.spark.api.python.PythonRDD.newAPIHadoopFile.
: org.apache.spark.SparkException: Job aborted due to stage failure: Task 0
in stage 0.0 failed 4 times, most recent failure: Lost task 0.3 in stage 0.0
(TID 3, XXXXXXX): java.io.IOException: Function not implemented
at sun.nio.ch.FileDispatcherImpl.lock0(Native Method)
at sun.nio.ch.FileDispatcherImpl.lock(FileDispatcherImpl.java:91)
at sun.nio.ch.FileChannelImpl.lock(FileChannelImpl.java:1022)
at java.nio.channels.FileChannel.lock(FileChannel.java:1052)
at org.apache.spark.util.Utils$.fetchFile(Utils.scala:379)
Using SPARK_LOCAL_DIRS=/tmp, however, works perfectly. Any idea?
Best,
Tassilo
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