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From "Alexey Goncharuk (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (IGNITE-9720) Initialize partition free lists lazily
Date Thu, 27 Sep 2018 11:49:00 GMT

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

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

> 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
>            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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