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https://issues.apache.org/jira/browse/IGNITE-7466?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16349421#comment-16349421
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Denis Magda commented on IGNITE-7466:
-------------------------------------

[~dpavlov] , I would document this capability as a new section on this page:

[https://apacheignite.readme.io/docs/durable-memory-tuning]

Could you create a hidden 2.4 version of the page and put the doc together 
before the release?

Please explain the benefits and when/why the users should use Direct IO. If you 
can share any comparison numbers in the doc it would make it better. BTW, is 
there any reason why Direct IO is not used by default (this question has to be 
addressed in the doc too)?

> Document Direct IO optional plugin: purpose, setup, effect to persitent data 
> store
> ----------------------------------------------------------------------------------
>
>                 Key: IGNITE-7466
>                 URL: https://issues.apache.org/jira/browse/IGNITE-7466
>             Project: Ignite
>          Issue Type: Task
>          Components: documentation, persistence
>            Reporter: Dmitriy Pavlov
>            Assignee: Dmitriy Pavlov
>            Priority: Major
>             Fix For: 2.4
>
>
> Direct IO was supported in Apache Ignite under task 
> https://issues.apache.org/jira/browse/IGNITE-6341
> Small description can be found in original ticket 
> https://issues.apache.org/jira/browse/IGNITE-6341?focusedCommentId=16330305&page=com.atlassian.jira.plugin.system.issuetabpanels%3Acomment-tabpanel#comment-16330305
> It is necessary to document this feature at least in wiki, at most at 
> readme.io
>  



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