[jira] [Created] (SPARK-24936) Better error message when trying a shuffle fetch over 2 GB

["Imran Rashid (JIRA)" <ji...@apache.org>]

Imran Rashid created SPARK-24936:
------------------------------------

             Summary: Better error message when trying a shuffle fetch over 2 GB
                 Key: SPARK-24936
                 URL: https://issues.apache.org/jira/browse/SPARK-24936
             Project: Spark
          Issue Type: Sub-task
          Components: Spark Core
    Affects Versions: 2.4.0
            Reporter: Imran Rashid


After SPARK-24297, spark will try to fetch shuffle blocks to disk if their over 2GB.  However, this will fail with an external shuffle service running < spark 2.2, with an unhelpful error message like:

{noformat}
18/07/26 07:15:02 WARN scheduler.TaskSetManager: Lost task 1.0 in stage 1.3 (TID 15, xyz.com, executor 2): FetchFailed(BlockManagerId(1
, xyz.com, 7337, None), shuffleId=0, mapId=1, reduceId=1, message=
org.apache.spark.shuffle.FetchFailedException: java.lang.UnsupportedOperationException
        at org.apache.spark.network.server.StreamManager.openStream(StreamManager.java:60)
        at org.apache.spark.network.server.TransportRequestHandler.processStreamRequest(TransportRequestHandler.java:136)
...
{noformat}

We can't do anything to make the shuffle succeed, in this situation, but we should fail with a better error message.



--
This message was sent by Atlassian JIRA
(v7.6.3#76005)

---------------------------------------------------------------------
To unsubscribe, e-mail: issues-unsubscribe@spark.apache.org
For additional commands, e-mail: issues-help@spark.apache.org