[jira] [Closed] (SPARK-4403) Elastic allocation(spark.dynamicAllocation.enabled) results in task never being execued.

["Egor Pahomov (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-4403?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Egor Pahomov closed SPARK-4403.
-------------------------------
    Resolution: Invalid

> Elastic allocation(spark.dynamicAllocation.enabled) results in task never being execued.
> ----------------------------------------------------------------------------------------
>
>                 Key: SPARK-4403
>                 URL: https://issues.apache.org/jira/browse/SPARK-4403
>             Project: Spark
>          Issue Type: Bug
>          Components: Spark Core, YARN
>    Affects Versions: 1.1.1
>            Reporter: Egor Pahomov
>         Attachments: ipython_out
>
>
> I execute ipython notebook + pyspark with spark.dynamicAllocation.enabled = true. Task never ends.
> Code:
> {code}
> import sys
> from random import random
> from operator import add
> partitions = 10
> n = 100000 * partitions
> def f(_):
>     x = random() * 2 - 1
>     y = random() * 2 - 1
>     return 1 if x ** 2 + y ** 2 < 1 else 0
> count = sc.parallelize(xrange(1, n + 1), partitions).map(f).reduce(add)
> print "Pi is roughly %f" % (4.0 * count / n)
> {code}
> {code}
> IPYTHON_ARGS="notebook --profile=ydf --port $IPYTHON_PORT --port-retries=0 --ip='*' --no-browser"
> pyspark \
>         --verbose \
>         --master yarn-client \
>         --conf spark.driver.port=$((RANDOM_PORT + 2)) \
>         --conf spark.broadcast.port=$((RANDOM_PORT + 3)) \
>         --conf spark.replClassServer.port=$((RANDOM_PORT + 4)) \
>         --conf spark.blockManager.port=$((RANDOM_PORT + 5)) \
>         --conf spark.executor.port=$((RANDOM_PORT + 6)) \
>         --conf spark.fileserver.port=$((RANDOM_PORT + 7)) \
>         --conf spark.shuffle.service.enabled=true \
>         --conf spark.dynamicAllocation.enabled=true \
>         --conf spark.dynamicAllocation.minExecutors=1 \
>         --conf spark.dynamicAllocation.maxExecutors=10 \
>         --conf spark.ui.port=$SPARK_UI_PORT
> {code}



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