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From mengxr <>
Subject [GitHub] spark pull request: [SPARK-100354] [MLLIB] fix some apparent memor...
Date Sun, 30 Aug 2015 06:49:55 GMT
GitHub user mengxr opened a pull request:

    [SPARK-100354] [MLLIB] fix some apparent memory issues in k-means|| initializaiton

    * do not cache first cost RDD
    * change following cost RDD cache level to MEMORY_AND_DISK
    * remove Vector wrapper to save a object per instance
    Further improvements will be addressed in SPARK-10329
    cc: @yu-iskw @HuJiayin 

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

    $ git pull SPARK-10354

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

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #8526
commit 71db5403a04fd8d6632f08bed7731acda1c84a24
Author: Xiangrui Meng <>
Date:   2015-08-30T06:45:14Z

    remove first cache, change following cache level to MEMORY_AND_DISK, do not wrap Vector


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