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https://issues.apache.org/jira/browse/SPARK-8510?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hyukjin Kwon resolved SPARK-8510.
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Resolution: Won't Fix
I am resolving this per comments in https://github.com/apache/spark/pull/8384
and
{quote}
there is a clear indication that there is not support or interest in acting on
it, then resolve as Won’t Fix
{quote}
in http://spark.apache.org/contributing.html
as I assume it is a soft-yes for not supporting.
Please reopen the JIRA and the PR too if anyone feels I misunderstood.
> NumPy arrays and matrices as values in sequence files
> -----------------------------------------------------
>
> Key: SPARK-8510
> URL: https://issues.apache.org/jira/browse/SPARK-8510
> Project: Spark
> Issue Type: Improvement
> Components: PySpark
> Reporter: Peter Aberline
> Priority: Minor
>
> Using the DoubleArrayWritable as an example, I have added support for storing
> NumPy arrays and matrices as elements of Sequence Files.
> Each value element is a discrete matrix or array. This is useful where you
> have many matrices that you don't want to join into a single Spark DataFrame
> to store in a Parquet file.
> There seems to be demand for this functionality:
> http://mail-archives.us.apache.org/mod_mbox/spark-user/201506.mbox/%3CCAJQK-mg1PUCc_hkV=q3n-01ioq_pkwe1g-c39ximco3khqn...@mail.gmail.com%3E
> I originally put this work in PR 6995, but closed it after suggestions from a
> user to use NumPy's built in serialization. My second version is in PR 8384.
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