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Posted to user@spark.apache.org by yuz1988 <yu...@gmail.com> on 2014/11/27 00:06:39 UTC

streaming tasks unevenly distributed among the executors?

Hello, 

I am a new user to spark, after I've run the spark streaming example
'StatefulNetworkWordCount', I was confused on what was shown on the webUI as
follows: 
<http://apache-spark-user-list.1001560.n3.nabble.com/file/n19911/uneven.jpg> 

It seems like almost all the tasks were assigned to the executor 2, so how
it happened? And can I change some conf to let the tasks approximate evenly
distributed to the executors? If I am wrong, please also explain a little
bit on the spark tasks schedule. 

Thanks! 
Yu



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