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Posted to issues@ignite.apache.org by "Alexey Goncharuk (Jira)" <ji...@apache.org> on 2020/04/30 10:36:00 UTC

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

     [ https://issues.apache.org/jira/browse/IGNITE-9720?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Alexey Goncharuk updated IGNITE-9720:
-------------------------------------
    Labels:   (was: performance)

> 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
>
> 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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