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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (IGNITE-2538) RDD.isEmpty method should be overriden in IgniteRDD to use IgniteCache API
Date Sun, 22 May 2016 11:52:12 GMT

    [ https://issues.apache.org/jira/browse/IGNITE-2538?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15295527#comment-15295527
] 

ASF GitHub Bot commented on IGNITE-2538:
----------------------------------------

GitHub user f7753 opened a pull request:

    https://github.com/apache/ignite/pull/741

    IGNITE-2538 RDD.isEmpty method should be overriden in IgniteRDD to use IgniteCache API

    Currently calling `IgniteRDD.isEmpty` ends up in execution of 1024 Spark jobs, which is
not fast. We should override this method and use native IgniteCache API there.

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

    $ git pull https://github.com/f7753/ignite igniterdd-native

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

    https://github.com/apache/ignite/pull/741.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 #741
    
----
commit 0f15e7ce21cfb02526b1d2bcfccd8850422b4f43
Author: MaBiao <mabiaocas@gmail.com>
Date:   2016-05-22T08:15:19Z

    overrride  method isEmpty

commit 5c5062f8917db13e1c9c50a30640298b8c40cf34
Author: MaBiao <mabiaocas@gmail.com>
Date:   2016-05-22T11:47:30Z

    modified the IgniteRDD.isEmpty method, using 'native' method to implement

----


> RDD.isEmpty method should be overriden in IgniteRDD to use IgniteCache API
> --------------------------------------------------------------------------
>
>                 Key: IGNITE-2538
>                 URL: https://issues.apache.org/jira/browse/IGNITE-2538
>             Project: Ignite
>          Issue Type: Improvement
>          Components: Ignite RDD
>            Reporter: Valentin Kulichenko
>
> Currently calling {{IgniteRDD.isEmpty}} ends up in execution of 1024 Spark jobs, which
is not fast. We should override this method and use native {{IgniteCache}} API there. Other
methods should be also revisited.



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