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Posted to issues@ignite.apache.org by "Alexey Goncharuk (JIRA)" <ji...@apache.org> on 2017/05/29 11:19:04 UTC

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

Alexey Goncharuk created IGNITE-5323:
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             Summary: 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: Konstantin Dudkov
             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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