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https://issues.apache.org/jira/browse/SPARK-7141?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14512573#comment-14512573
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Liang-Chi Hsieh commented on SPARK-7141:
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The double slash issue is caused by the Jets3tFileSystemStore implementation in
Hadoop.
You can refer to
[HADOOP-11444|https://issues.apache.org/jira/browse/HADOOP-11444] and [the
discussion on
spark-user|https://mail-archives.apache.org/mod_mbox/spark-user/201412.mbox/%3CCAE50=drwWG=eMDM=lsuf-puzopxfnj-+7k3vx_m5mmjfal2...@mail.gmail.com%3E].
> saveAsTextFile() on S3 first creates empty prefix
> -------------------------------------------------
>
> Key: SPARK-7141
> URL: https://issues.apache.org/jira/browse/SPARK-7141
> Project: Spark
> Issue Type: Bug
> Components: PySpark
> Affects Versions: 1.3.1
> Environment: OS X 10.10
> Reporter: Eric O. LEBIGOT (EOL)
>
> Using {{saveAsTextFile("s3://bucket/prefix"}} actually adds an empty prefix,
> i.e. it writes to {{s3://bucket//prefix}} (note the double slash).
> Example code (in a {{pyspark}} shell):
> {{rdd = sc.parallelize("abcd")}}
> {{rdd.saveAsTextFile("s3://bucket/prefix")})
> This is quite annoying, as the files cannot be saved in the intended location
> (they can be read, though, with the original path:
> {{sc.textFile("s3://bucket/prefix"}}, but the AWS console does not show them
> in the right place).
> Also, many {{block_*}} files are created directly in the bucket: shouldn't
> they be deleted? (This may be a separate issue, but maybe it is a path issue
> as well.)
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