GitHub user gatorsmile opened a pull request:
https://github.com/apache/spark/pull/9889
[SPARK-11905] Support Persist/Cache and Unpersist in Dataset APIs
Persist and Unpersist exist in both RDD and Dataframe APIs. I think they
are still very critical in Dataset APIs. Not sure my implementation is
acceptable, or you have a different plan about these functions.
Please provide your opinions. @marmbrus @rxin @cloud-fan
Thank you very much!
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/gatorsmile/spark persistDS
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/9889.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #9889
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commit f0616711a5721ae65e1db1954453a5f862aaa8c6
Author: gatorsmile <gatorsm...@gmail.com>
Date: 2015-11-22T01:06:06Z
Support Persist/Cache and Unpersist in DataSet APIs
commit 88d5e9d3f779c11d60d123df0d218bd94fd21f0c
Author: gatorsmile <gatorsm...@gmail.com>
Date: 2015-11-22T01:07:03Z
Merge remote-tracking branch 'upstream/master' into top
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