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Posted to issues@ignite.apache.org by "Maxim Muzafarov (Jira)" <ji...@apache.org> on 2019/10/08 13:52:00 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=16946902#comment-16946902 ]
Maxim Muzafarov commented on IGNITE-9720:
-----------------------------------------
[~agoncharuk] [~jokser] [~sboikov]
Folks, any updates here? Can we proceed with this patch?
> 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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