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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (IGNITE-4958) Make data pages recyclable into index/meta/etc pages and vice versa
Date Mon, 09 Apr 2018 15:26:00 GMT

    [ https://issues.apache.org/jira/browse/IGNITE-4958?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16430722#comment-16430722
] 

ASF GitHub Bot commented on IGNITE-4958:
----------------------------------------

GitHub user x-kreator opened a pull request:

    https://github.com/apache/ignite/pull/3780

    IGNITE-4958: Make data pages recyclable into index/meta/etc pages and…

    … vice versa.

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

    $ git pull https://github.com/x-kreator/ignite ignite-4958

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

    https://github.com/apache/ignite/pull/3780.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 #3780
    
----
commit d7204ca83cd321cec02ac76b0cb24d4238b33fa1
Author: Dmitriy Sorokin <sbt.sorokin.dvl@...>
Date:   2018-01-30T11:12:39Z

    IGNITE-4958: Make data pages recyclable into index/meta/etc pages and vice versa.

----


> Make data pages recyclable into index/meta/etc pages and vice versa
> -------------------------------------------------------------------
>
>                 Key: IGNITE-4958
>                 URL: https://issues.apache.org/jira/browse/IGNITE-4958
>             Project: Ignite
>          Issue Type: Improvement
>          Components: cache
>    Affects Versions: 2.0
>            Reporter: Ivan Rakov
>            Assignee: Dmitriy Sorokin
>            Priority: Major
>             Fix For: 2.5
>
>
> Recycling for data pages is disabled for now. Empty data pages are accumulated in FreeListImpl#emptyDataPagesBucket,
and can be reused only as data pages again. What has to be done:
> * Empty data pages should be recycled into reuse bucket
> * We should check reuse bucket first before allocating a new data page
> * MemoryPolicyConfiguration#emptyPagesPoolSize should be removed



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