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Posted to issues@ignite.apache.org by "Ivan Daschinsky (Jira)" <ji...@apache.org> on 2023/01/19 10:17:00 UTC

[jira] [Updated] (IGNITE-18584) Possible memory errors and corruptions because of insufficient size of compression buffer.

     [ https://issues.apache.org/jira/browse/IGNITE-18584?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ivan Daschinsky updated IGNITE-18584:
-------------------------------------
    Affects Version/s: 2.14

> Possible memory errors and corruptions because of insufficient size of compression buffer.
> ------------------------------------------------------------------------------------------
>
>                 Key: IGNITE-18584
>                 URL: https://issues.apache.org/jira/browse/IGNITE-18584
>             Project: Ignite
>          Issue Type: Bug
>    Affects Versions: 2.14
>            Reporter: Ivan Daschinsky
>            Priority: Major
>
> {{org.apache.ignite.internal.processors.compress.CompressionProcessorImpl#compressBuf}} is initialized with 1024 extra space, that may be not enough for compressing.
> I.e. snappy requires 2762 extra space for 16K pages.
> The overhead must be calculated during the initialization with help of specialized methods, such as 
> {{Snappy#maxCompressedLength}}



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