Sandeep Pal created SPARK-10940:
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Summary: Too many open files Spark Shuffle
Key: SPARK-10940
URL: https://issues.apache.org/jira/browse/SPARK-10940
Project: Spark
Issue Type: Bug
Components: Shuffle, SQL
Affects Versions: 1.5.0
Environment: 6 node standalone spark cluster with 1 master and 5
worker nodes on Centos 6.6 for all nodes. Each node has > 100 GB memory and 36
cores.
Reporter: Sandeep Pal
Executing terasort by Spark-SQL on the data generated by teragen in hadoop.
Data size generated is ~456 GB.
Terasort passing with --total-executor-cores = 40, where failing for
--total-executor-cores = 120.
I have tried to increase the ulimit to 10k but the problem persists.
Below is the error message from one of the executor node:
java.io.FileNotFoundException:
/tmp/spark-e15993e8-51a4-452a-8b86-da0169445065/executor-0c661152-3837-4711-bba2-2abf4fd15240/blockmgr-973aab72-feb8-4c60-ba3d-1b2ee27a1cc2/3f/temp_shuffle_7741538d-3ccf-4566-869f-265655ca9c90
(Too many open files)
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