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Posted to issues@spark.apache.org by "Bryan Cutler (JIRA)" <ji...@apache.org> on 2016/09/29 23:18:20 UTC

[jira] [Commented] (SPARK-17737) cannot import name accumulators error

    [ https://issues.apache.org/jira/browse/SPARK-17737?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15534383#comment-15534383 ] 

Bryan Cutler commented on SPARK-17737:
--------------------------------------

What exactly are you trying to do?  The recommended way to create an Accumulator in PySpark is through the SparkContext as follows:

{noformat}
Using Python version 2.7.12 (default, Jul  1 2016 15:12:24)
SparkSession available as 'spark'.
>>> spark.sparkContext.accumulator(0)
>>> ac = spark.sparkContext.accumulator(0)
>>> ac
Accumulator<id=1, value=0>
{noformat}

> cannot import name accumulators error
> -------------------------------------
>
>                 Key: SPARK-17737
>                 URL: https://issues.apache.org/jira/browse/SPARK-17737
>             Project: Spark
>          Issue Type: Question
>          Components: PySpark
>         Environment: unix
> python 2.7
>            Reporter: Pruthveej Reddy Kasarla
>
> Hi I am trying to setup my sparkcontext using the below code
> import sys
> sys.path.append('/opt/cloudera/parcels/CDH/lib/spark/python/build')
> sys.path.append('/opt/cloudera/parcels/CDH/lib/spark/python')
> from pyspark import SparkConf, SparkContext
> sconf = SparkConf()
> sc = SparkContext(conf=sconf)
> print sc
> got below error
> ImportError                               Traceback (most recent call last)
> <ipython-input-21-65fcb5ca9b52> in <module>()
>       2 sys.path.append('/opt/cloudera/parcels/CDH/lib/spark/python/build')
>       3 sys.path.append('/opt/cloudera/parcels/CDH/lib/spark/python')
> ----> 4 from pyspark import SparkConf, SparkContext
>       5 sconf = SparkConf()
>       6 sc = SparkContext(conf=sconf)
> /opt/cloudera/parcels/CDH/lib/spark/python/pyspark/__init__.py in <module>()
>      39 
>      40 from pyspark.conf import SparkConf
> ---> 41 from pyspark.context import SparkContext
>      42 from pyspark.rdd import RDD
>      43 from pyspark.files import SparkFiles
> /opt/cloudera/parcels/CDH/lib/spark/python/pyspark/context.py in <module>()
>      26 from tempfile import NamedTemporaryFile
>      27 
> ---> 28 from pyspark import accumulators
>      29 from pyspark.accumulators import Accumulator
>      30 from pyspark.broadcast import Broadcast
> ImportError: cannot import name accumulators



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