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From xuanyuanking <>
Subject [GitHub] spark pull request #16350: [SPARK-18700][SQL][BACKPORT-2.0] Add StripedLock ...
Date Tue, 20 Dec 2016 10:58:58 GMT
GitHub user xuanyuanking opened a pull request:

    [SPARK-18700][SQL][BACKPORT-2.0] Add StripedLock for each table's relation in cache

    ## What changes were proposed in this pull request?
    Backport of #16135 to branch-2.0
    ## How was this patch tested?
    Because of the diff between branch-2.0 and master/2.1, here add a multi-thread access
table test in `HiveMetadataCacheSuite` and check it only loading once using metrics in `HiveCatalogMetrics`

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

    $ git pull SPARK-18700-2.0

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 #16350
commit 132d12ee1457c41a0bec56516ab5a41d36d8ac1f
Author: xuanyuanking <>
Date:   2016-12-20T10:50:03Z

    SPARK-18700: Add StripedLock for each table's relation in cache


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