[jira] [Commented] (IGNITE-8560) Update index validation utility to use statistical check approach

["ASF GitHub Bot (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/IGNITE-8560?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16487244#comment-16487244 ] 

ASF GitHub Bot commented on IGNITE-8560:
----------------------------------------

GitHub user sergey-chugunov-1985 opened a pull request:

    https://github.com/apache/ignite/pull/4051

    IGNITE-8560 checkFirst and checkThrough parameters added

    

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

    $ git pull https://github.com/gridgain/apache-ignite ignite-8560

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

    https://github.com/apache/ignite/pull/4051.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 #4051
    
----
commit 4462573638e9b06e5686a0f8ebfce4e9aa8d481b
Author: Sergey Chugunov <se...@...>
Date:   2018-05-23T12:55:27Z

    IGNITE-8560 checkFirst and checkThrough parameters added

----


> Update index validation utility to use statistical check approach
> -----------------------------------------------------------------
>
>                 Key: IGNITE-8560
>                 URL: https://issues.apache.org/jira/browse/IGNITE-8560
>             Project: Ignite
>          Issue Type: Improvement
>            Reporter: Alexey Goncharuk
>            Assignee: Sergey Chugunov
>            Priority: Major
>
> Currently, the check index feature of {{control.sh}} scans the full data set which has N * logN complexity. On large data sets this takes too long to complete. 
> To mitigate this, I suggest to add an option 
> * to check either first K entries
> * to check each Kth entry



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