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Posted to reviews@spark.apache.org by gatorsmile <gi...@git.apache.org> on 2015/12/02 07:45:15 UTC

[GitHub] spark pull request: [SPARK-12091] [PYSPARK] [Minor] Default storag...

GitHub user gatorsmile opened a pull request:

    https://github.com/apache/spark/pull/10092

    [SPARK-12091] [PYSPARK] [Minor] Default storage level of persist/cache

    The current default storage level of Python persist API is MEMORY_ONLY_SER. This is different from the default level MEMORY_ONLY in the official document and RDD APIs. 
    
    @davies Is this inconsistency intentional? Thanks!

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/gatorsmile/spark persistStorageLevel

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/spark/pull/10092.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 #10092
    
----
commit bd7af4807631b0b3b26b5e1a98e24aa1f75d22c0
Author: gatorsmile <ga...@gmail.com>
Date:   2015-12-02T06:33:23Z

    Changed the default storage level of persist

commit d52deb5b7eaf794d94f6ce87ce61b3410efbcc8f
Author: gatorsmile <ga...@gmail.com>
Date:   2015-12-02T06:36:26Z

    Merge remote-tracking branch 'upstream/master' into persistStorageLevel

----


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[GitHub] spark pull request: [SPARK-12091] [PYSPARK] [Minor] Default storag...

Posted by mateiz <gi...@git.apache.org>.
Github user mateiz commented on the pull request:

    https://github.com/apache/spark/pull/10092#issuecomment-161365442
  
    It might be nice to only expose a smaller # of storage levels in Python, i.e. call them memory_only and memory_and_disk, but always use the serialized ones underneath.


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[GitHub] spark pull request: [SPARK-12091] [PYSPARK] [Minor] Default storag...

Posted by davies <gi...@git.apache.org>.
Github user davies commented on the pull request:

    https://github.com/apache/spark/pull/10092#issuecomment-161200705
  
    This is on purpose, see https://issues.apache.org/jira/browse/SPARK-2014 cc @mateiz 


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[GitHub] spark pull request: [SPARK-12091] [PYSPARK] Removal of the JAVA-sp...

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the pull request:

    https://github.com/apache/spark/pull/10092#issuecomment-161529523
  
    **[Test build #47119 has finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/47119/consoleFull)** for PR 10092 at commit [`0e074b6`](https://github.com/apache/spark/commit/0e074b6b7bde1705f04a360273b2915cdc1f383c).
     * This patch passes all tests.
     * This patch merges cleanly.
     * This patch adds no public classes.


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[GitHub] spark pull request: [SPARK-12091] [PYSPARK] Removal of the JAVA-sp...

Posted by davies <gi...@git.apache.org>.
Github user davies commented on a diff in the pull request:

    https://github.com/apache/spark/pull/10092#discussion_r46516167
  
    --- Diff: python/pyspark/storagelevel.py ---
    @@ -49,12 +51,8 @@ def __str__(self):
     
     StorageLevel.DISK_ONLY = StorageLevel(True, False, False, False)
     StorageLevel.DISK_ONLY_2 = StorageLevel(True, False, False, False, 2)
    -StorageLevel.MEMORY_ONLY = StorageLevel(False, True, False, True)
    -StorageLevel.MEMORY_ONLY_2 = StorageLevel(False, True, False, True, 2)
    -StorageLevel.MEMORY_ONLY_SER = StorageLevel(False, True, False, False)
    --- End diff --
    
    Removing these will break backward compatibility, I'd like to deprecate them, explain the difference between Python and Java (say records will always serialized in Python)


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[GitHub] spark pull request: [SPARK-12091] [PYSPARK] Removal of the JAVA-sp...

Posted by gatorsmile <gi...@git.apache.org>.
Github user gatorsmile commented on the pull request:

    https://github.com/apache/spark/pull/10092#issuecomment-161522366
  
    Based on the comments of @mateiz , the extra changes are made:
    - Renaming MEMORY_ONLY_SER to MEMORY_ONLY
    - Renaming MEMORY_ONLY_SER_2 to MEMORY_ONLY_2
    - Renaming MEMORY_AND_DISK_SER to MEMORY_AND_DISK
    - Renaming MEMORY_AND_DISK_SER_2 to MEMORY_AND_DISK_2
    
    Thanks!


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[GitHub] spark pull request: [SPARK-12091] [PYSPARK] [Minor] Default storag...

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the pull request:

    https://github.com/apache/spark/pull/10092#issuecomment-161201435
  
    **[Test build #47041 has started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/47041/consoleFull)** for PR 10092 at commit [`d52deb5`](https://github.com/apache/spark/commit/d52deb5b7eaf794d94f6ce87ce61b3410efbcc8f).


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[GitHub] spark pull request: [SPARK-12091] [PYSPARK] Deprecate the JAVA-spe...

Posted by gatorsmile <gi...@git.apache.org>.
Github user gatorsmile commented on the pull request:

    https://github.com/apache/spark/pull/10092#issuecomment-165622202
  
    Hi, @davies Will this be merged? or need more updates? Thanks! : )


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[GitHub] spark pull request: [SPARK-12091] [PYSPARK] Deprecate the JAVA-spe...

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the pull request:

    https://github.com/apache/spark/pull/10092#issuecomment-165936007
  
    Merged build finished. Test PASSed.


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[GitHub] spark pull request: [SPARK-12091] [PYSPARK] [Minor] Default storag...

Posted by gatorsmile <gi...@git.apache.org>.
Github user gatorsmile commented on the pull request:

    https://github.com/apache/spark/pull/10092#issuecomment-161212331
  
    @davies Thank you for showing me the original JIRA by @mateiz . It sounds like it does not make sense to keep data as deserialized Java objects since data is serialized on the Python side. Is my understanding correct?
    
    I am wondering if we should automatically convert `MEMORY_ONLY` to `MEMORY_ONLY_SER` and `MEMORY_AND_DISK` to `MEMORY_AND_DISK_SER`, if users are choosing these two options? So far, the official document does not mention these issues. Users might not realize this when making a decision.  
    
    Thank you!


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[GitHub] spark pull request: [SPARK-12091] [PYSPARK] Removal of the JAVA-sp...

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the pull request:

    https://github.com/apache/spark/pull/10092#issuecomment-161529591
  
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[GitHub] spark pull request: [SPARK-12091] [PYSPARK] Removal of the JAVA-sp...

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the pull request:

    https://github.com/apache/spark/pull/10092#issuecomment-161529592
  
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[GitHub] spark pull request: [SPARK-12091] [PYSPARK] Deprecate the JAVA-spe...

Posted by asfgit <gi...@git.apache.org>.
Github user asfgit closed the pull request at:

    https://github.com/apache/spark/pull/10092


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[GitHub] spark pull request: [SPARK-12091] [PYSPARK] Deprecate the JAVA-spe...

Posted by AmplabJenkins <gi...@git.apache.org>.
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    https://github.com/apache/spark/pull/10092#issuecomment-161553605
  
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[GitHub] spark pull request: [SPARK-12091] [PYSPARK] Deprecate the JAVA-spe...

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the pull request:

    https://github.com/apache/spark/pull/10092#issuecomment-161553604
  
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[GitHub] spark pull request: [SPARK-12091] [PYSPARK] Removal of the JAVA-sp...

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the pull request:

    https://github.com/apache/spark/pull/10092#issuecomment-161514887
  
    **[Test build #47116 has started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/47116/consoleFull)** for PR 10092 at commit [`a6b7dd9`](https://github.com/apache/spark/commit/a6b7dd95722d80fd68a009fbcf331a586a84fb1a).


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[GitHub] spark pull request: [SPARK-12091] [PYSPARK] [Minor] Default storag...

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the pull request:

    https://github.com/apache/spark/pull/10092#issuecomment-161206170
  
    **[Test build #47041 has finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/47041/consoleFull)** for PR 10092 at commit [`d52deb5`](https://github.com/apache/spark/commit/d52deb5b7eaf794d94f6ce87ce61b3410efbcc8f).
     * This patch passes all tests.
     * This patch merges cleanly.
     * This patch adds no public classes.


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[GitHub] spark pull request: [SPARK-12091] [PYSPARK] Deprecate the JAVA-spe...

Posted by davies <gi...@git.apache.org>.
Github user davies commented on the pull request:

    https://github.com/apache/spark/pull/10092#issuecomment-165674487
  
    @gatorsmile These changes looks good to me, could also update the docs/ (configuration and programming guide) to say that the storage level of Python RDD is different than Java/Scala ones?


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[GitHub] spark pull request: [SPARK-12091] [PYSPARK] Deprecate the JAVA-spe...

Posted by davies <gi...@git.apache.org>.
Github user davies commented on a diff in the pull request:

    https://github.com/apache/spark/pull/10092#discussion_r46522204
  
    --- Diff: python/pyspark/storagelevel.py ---
    @@ -49,12 +51,8 @@ def __str__(self):
     
     StorageLevel.DISK_ONLY = StorageLevel(True, False, False, False)
     StorageLevel.DISK_ONLY_2 = StorageLevel(True, False, False, False, 2)
    -StorageLevel.MEMORY_ONLY = StorageLevel(False, True, False, True)
    -StorageLevel.MEMORY_ONLY_2 = StorageLevel(False, True, False, True, 2)
    -StorageLevel.MEMORY_ONLY_SER = StorageLevel(False, True, False, False)
    --- End diff --
    
    It's too late for 1.6, and this change (API change) is good for 2.0, sounds good?


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[GitHub] spark pull request: [SPARK-12091] [PYSPARK] Deprecate the JAVA-spe...

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the pull request:

    https://github.com/apache/spark/pull/10092#issuecomment-165925310
  
    **[Test build #48041 has started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/48041/consoleFull)** for PR 10092 at commit [`3864f87`](https://github.com/apache/spark/commit/3864f873f1b9bc56a9cf8da46cb90e97b89bd291).


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[GitHub] spark pull request: [SPARK-12091] [PYSPARK] [Minor] Default storag...

Posted by AmplabJenkins <gi...@git.apache.org>.
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    https://github.com/apache/spark/pull/10092#issuecomment-161206421
  
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[GitHub] spark pull request: [SPARK-12091] [PYSPARK] [Minor] Default storag...

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    https://github.com/apache/spark/pull/10092#issuecomment-161206417
  
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[GitHub] spark pull request: [SPARK-12091] [PYSPARK] Deprecate the JAVA-spe...

Posted by davies <gi...@git.apache.org>.
Github user davies commented on the pull request:

    https://github.com/apache/spark/pull/10092#issuecomment-165944719
  
    @gatorsmile LGTM, merging into master, thanks!


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[GitHub] spark pull request: [SPARK-12091] [PYSPARK] Removal of the JAVA-sp...

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the pull request:

    https://github.com/apache/spark/pull/10092#issuecomment-161521520
  
    **[Test build #47116 has finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/47116/consoleFull)** for PR 10092 at commit [`a6b7dd9`](https://github.com/apache/spark/commit/a6b7dd95722d80fd68a009fbcf331a586a84fb1a).
     * This patch passes all tests.
     * This patch merges cleanly.
     * This patch adds no public classes.


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[GitHub] spark pull request: [SPARK-12091] [PYSPARK] Deprecate the JAVA-spe...

Posted by AmplabJenkins <gi...@git.apache.org>.
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    https://github.com/apache/spark/pull/10092#issuecomment-165936008
  
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[GitHub] spark pull request: [SPARK-12091] [PYSPARK] Deprecate the JAVA-spe...

Posted by AmplabJenkins <gi...@git.apache.org>.
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    https://github.com/apache/spark/pull/10092#issuecomment-161548162
  
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[GitHub] spark pull request: [SPARK-12091] [PYSPARK] Deprecate the JAVA-spe...

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the pull request:

    https://github.com/apache/spark/pull/10092#issuecomment-161553502
  
    **[Test build #47129 has finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/47129/consoleFull)** for PR 10092 at commit [`fef7ada`](https://github.com/apache/spark/commit/fef7ada1ec1d56c61de39c2268190bff6f6b0f42).
     * This patch passes all tests.
     * This patch merges cleanly.
     * This patch adds no public classes.


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[GitHub] spark pull request: [SPARK-12091] [PYSPARK] [Minor] Default storag...

Posted by gatorsmile <gi...@git.apache.org>.
Github user gatorsmile commented on the pull request:

    https://github.com/apache/spark/pull/10092#issuecomment-161372323
  
    @mateiz  Thank you for your answer! Will try to do it soon. 


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[GitHub] spark pull request: [SPARK-12091] [PYSPARK] Deprecate the JAVA-spe...

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the pull request:

    https://github.com/apache/spark/pull/10092#issuecomment-161543752
  
    Test FAILed.
    Refer to this link for build results (access rights to CI server needed): 
    https://amplab.cs.berkeley.edu/jenkins//job/SparkPullRequestBuilder/47124/
    Test FAILed.


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[GitHub] spark pull request: [SPARK-12091] [PYSPARK] Deprecate the JAVA-spe...

Posted by gatorsmile <gi...@git.apache.org>.
Github user gatorsmile commented on the pull request:

    https://github.com/apache/spark/pull/10092#issuecomment-165680651
  
    Sure, will do it. Thanks!


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[GitHub] spark pull request: [SPARK-12091] [PYSPARK] Deprecate the JAVA-spe...

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the pull request:

    https://github.com/apache/spark/pull/10092#issuecomment-161543721
  
    **[Test build #47125 has started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/47125/consoleFull)** for PR 10092 at commit [`014a3a8`](https://github.com/apache/spark/commit/014a3a8f31958bf1337a0c8df293fe15ac54cd9f).


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[GitHub] spark pull request: [SPARK-12091] [PYSPARK] Deprecate the JAVA-spe...

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the pull request:

    https://github.com/apache/spark/pull/10092#issuecomment-161548165
  
    Test PASSed.
    Refer to this link for build results (access rights to CI server needed): 
    https://amplab.cs.berkeley.edu/jenkins//job/SparkPullRequestBuilder/47125/
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[GitHub] spark pull request: [SPARK-12091] [PYSPARK] Deprecate the JAVA-spe...

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the pull request:

    https://github.com/apache/spark/pull/10092#issuecomment-161543749
  
    Merged build finished. Test FAILed.


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[GitHub] spark pull request: [SPARK-12091] [PYSPARK] Removal of the JAVA-sp...

Posted by gatorsmile <gi...@git.apache.org>.
Github user gatorsmile commented on the pull request:

    https://github.com/apache/spark/pull/10092#issuecomment-161515703
  
    Just saw the comments and will change the names soon. Thanks!


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[GitHub] spark pull request: [SPARK-12091] [PYSPARK] Removal of the JAVA-sp...

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the pull request:

    https://github.com/apache/spark/pull/10092#issuecomment-161524007
  
    **[Test build #47119 has started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/47119/consoleFull)** for PR 10092 at commit [`0e074b6`](https://github.com/apache/spark/commit/0e074b6b7bde1705f04a360273b2915cdc1f383c).


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[GitHub] spark pull request: [SPARK-12091] [PYSPARK] Removal of the JAVA-sp...

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the pull request:

    https://github.com/apache/spark/pull/10092#issuecomment-161521582
  
    Test PASSed.
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[GitHub] spark pull request: [SPARK-12091] [PYSPARK] Deprecate the JAVA-spe...

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the pull request:

    https://github.com/apache/spark/pull/10092#issuecomment-165935965
  
    **[Test build #48041 has finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/48041/consoleFull)** for PR 10092 at commit [`3864f87`](https://github.com/apache/spark/commit/3864f873f1b9bc56a9cf8da46cb90e97b89bd291).
     * This patch passes all tests.
     * This patch merges cleanly.
     * This patch adds no public classes.


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[GitHub] spark pull request: [SPARK-12091] [PYSPARK] Deprecate the JAVA-spe...

Posted by gatorsmile <gi...@git.apache.org>.
Github user gatorsmile commented on a diff in the pull request:

    https://github.com/apache/spark/pull/10092#discussion_r46522595
  
    --- Diff: python/pyspark/storagelevel.py ---
    @@ -49,12 +51,8 @@ def __str__(self):
     
     StorageLevel.DISK_ONLY = StorageLevel(True, False, False, False)
     StorageLevel.DISK_ONLY_2 = StorageLevel(True, False, False, False, 2)
    -StorageLevel.MEMORY_ONLY = StorageLevel(False, True, False, True)
    -StorageLevel.MEMORY_ONLY_2 = StorageLevel(False, True, False, True, 2)
    -StorageLevel.MEMORY_ONLY_SER = StorageLevel(False, True, False, False)
    --- End diff --
    
    Sure. Just changed it. : )


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[GitHub] spark pull request: [SPARK-12091] [PYSPARK] Removal of the JAVA-sp...

Posted by gatorsmile <gi...@git.apache.org>.
Github user gatorsmile commented on a diff in the pull request:

    https://github.com/apache/spark/pull/10092#discussion_r46520645
  
    --- Diff: python/pyspark/storagelevel.py ---
    @@ -49,12 +51,8 @@ def __str__(self):
     
     StorageLevel.DISK_ONLY = StorageLevel(True, False, False, False)
     StorageLevel.DISK_ONLY_2 = StorageLevel(True, False, False, False, 2)
    -StorageLevel.MEMORY_ONLY = StorageLevel(False, True, False, True)
    -StorageLevel.MEMORY_ONLY_2 = StorageLevel(False, True, False, True, 2)
    -StorageLevel.MEMORY_ONLY_SER = StorageLevel(False, True, False, False)
    --- End diff --
    
    Agree! Just updated the codes with the deprecated notes. Trying to follow the existing PySpark style. Please check if they are good. : )
    
    Not sure if this will be merged to 1.6. The note is still using 1.6. Thank you!


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[GitHub] spark pull request: [SPARK-12091] [PYSPARK] Deprecate the JAVA-spe...

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the pull request:

    https://github.com/apache/spark/pull/10092#issuecomment-161546939
  
    **[Test build #47129 has started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/47129/consoleFull)** for PR 10092 at commit [`fef7ada`](https://github.com/apache/spark/commit/fef7ada1ec1d56c61de39c2268190bff6f6b0f42).


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[GitHub] spark pull request: [SPARK-12091] [PYSPARK] Deprecate the JAVA-spe...

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the pull request:

    https://github.com/apache/spark/pull/10092#issuecomment-161548060
  
    **[Test build #47125 has finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/47125/consoleFull)** for PR 10092 at commit [`014a3a8`](https://github.com/apache/spark/commit/014a3a8f31958bf1337a0c8df293fe15ac54cd9f).
     * This patch passes all tests.
     * This patch merges cleanly.
     * This patch adds no public classes.


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[GitHub] spark pull request: [SPARK-12091] [PYSPARK] Removal of the JAVA-sp...

Posted by gatorsmile <gi...@git.apache.org>.
Github user gatorsmile commented on the pull request:

    https://github.com/apache/spark/pull/10092#issuecomment-161514977
  
    - Removed all the constants whose `deserialized` values are true. 
    - Update the comments of StorageLevel
    - Change the default storage levels of Kinesis level from `MEMORY_AND_DISK_2` to `MEMORY_AND_DISK_SER_2`.
    
    Please verify if my changes are OK. @mateiz @davies Thank you very much!


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[GitHub] spark pull request: [SPARK-12091] [PYSPARK] Removal of the JAVA-sp...

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the pull request:

    https://github.com/apache/spark/pull/10092#issuecomment-161521581
  
    Merged build finished. Test PASSed.


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