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Posted to issues@ignite.apache.org by "Alexey Goncharuk (JIRA)" <ji...@apache.org> on 2017/04/10 08:42:41 UTC

[jira] [Updated] (IGNITE-3484) MVCC for cache data structures

     [ https://issues.apache.org/jira/browse/IGNITE-3484?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Alexey Goncharuk updated IGNITE-3484:
-------------------------------------
    Fix Version/s:     (was: 2.0)
                   2.1

> MVCC for cache data structures
> ------------------------------
>
>                 Key: IGNITE-3484
>                 URL: https://issues.apache.org/jira/browse/IGNITE-3484
>             Project: Ignite
>          Issue Type: Sub-task
>          Components: cache
>            Reporter: Alexey Goncharuk
>             Fix For: 2.1
>
>
> We need to make sure that SQL queries are executed on a certain in-memory timestamp or version. This will require having as many versions of data in memory as needed by the ongoing SQL queries. Once the queries complete, the older versions should be discarded.
> TBD: design requirements for MVCC.



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