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https://issues.apache.org/jira/browse/IGNITE-4958?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16452571#comment-16452571
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Dmitriy Sorokin commented on IGNITE-4958:
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[~agura], [~ivan.glukos], review my patch, please, test results seems good for 
me.

> 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: 2.6
>
>
> 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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