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Posted to issues@ignite.apache.org by "Maxim Muzafarov (Jira)" <ji...@apache.org> on 2019/10/03 10:03:07 UTC

[jira] [Updated] (IGNITE-8360) Page recovery from WAL can be very slow.

     [ https://issues.apache.org/jira/browse/IGNITE-8360?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Maxim Muzafarov updated IGNITE-8360:
------------------------------------
    Fix Version/s:     (was: 2.8)
                   2.9

> Page recovery from WAL can be very slow.
> ----------------------------------------
>
>                 Key: IGNITE-8360
>                 URL: https://issues.apache.org/jira/browse/IGNITE-8360
>             Project: Ignite
>          Issue Type: Improvement
>          Components: persistence
>    Affects Versions: 2.4
>            Reporter: Alexei Scherbakov
>            Priority: Major
>             Fix For: 2.9
>
>
> Current implementation tries to recover corrupted page from WAL, potentially scanning all archived segments [1]
> If archive is very large, on example due to large history, this might take significant time preventing cache start with consequences like hanging PME.
> [1] org.apache.ignite.internal.processors.cache.persistence.pagemem.PageMemoryImpl#tryToRestorePage



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