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Posted to issues@ignite.apache.org by "Ignite TC Bot (JIRA)" <ji...@apache.org> on 2019/07/03 08:43:00 UTC

[jira] [Commented] (IGNITE-9720) Initialize partition free lists lazily

    [ https://issues.apache.org/jira/browse/IGNITE-9720?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16877639#comment-16877639 ] 

Ignite TC Bot commented on IGNITE-9720:
---------------------------------------

{panel:title=--&gt; Run :: All: No blockers found!|borderStyle=dashed|borderColor=#ccc|titleBGColor=#D6F7C1}{panel}
[TeamCity *--&gt; Run :: All* Results|https://ci.ignite.apache.org/viewLog.html?buildId=4252138&amp;buildTypeId=IgniteTests24Java8_RunAll]

> Initialize partition free lists lazily
> --------------------------------------
>
>                 Key: IGNITE-9720
>                 URL: https://issues.apache.org/jira/browse/IGNITE-9720
>             Project: Ignite
>          Issue Type: Task
>            Reporter: Alexey Goncharuk
>            Assignee: Semen Boikov
>            Priority: Major
>              Labels: performance
>             Fix For: 2.8
>
>
> When persistence is enabled, partition free lists metadata may take quite a lot of pages.
> This results in a very long start time because {{GridCacheOffheapManager.GridCacheDataStore#init0}} will read all metadata for free list in each partition on exchange start (this is done in the {{CacheFreeListImpl}} constructor)
> We should only read required information on exchange and defer actual free list initialization to the first access.



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