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Posted to issues@ignite.apache.org by "Alexey Goncharuk (JIRA)" <ji...@apache.org> on 2017/06/05 08:43:04 UTC

[jira] [Resolved] (IGNITE-5323) Move record serializer version from file name to file header

     [ https://issues.apache.org/jira/browse/IGNITE-5323?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Alexey Goncharuk resolved IGNITE-5323.
--------------------------------------
    Resolution: Fixed

Merged to ignite-5267 branch

> Move record serializer version from file name to file header
> ------------------------------------------------------------
>
>                 Key: IGNITE-5323
>                 URL: https://issues.apache.org/jira/browse/IGNITE-5323
>             Project: Ignite
>          Issue Type: Improvement
>          Components: cache
>    Affects Versions: 2.1
>            Reporter: Alexey Goncharuk
>            Assignee: Alexey Goncharuk
>              Labels: important
>             Fix For: 2.1
>
>
> Keeping records serializer version in the WAL segment file name makes it hard to implement forward serializer version update because we need to rename files on recovery.
> Instead, we should write serializer version in the file header and use it when reading records.
> We should also add some boilerplate code in order to make it easier to add new serializer versions in the future.



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