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From "Vladimir Ozerov (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (IGNITE-7966) MVCC TX Review cache/Ignite configuration for MVCC needs
Date Mon, 20 Aug 2018 11:36:00 GMT

    [ https://issues.apache.org/jira/browse/IGNITE-7966?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16585818#comment-16585818
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Vladimir Ozerov commented on IGNITE-7966:
-----------------------------------------

Considerations:
 # Introduce new {{CacheAtomicityMode.TRANSACTIONAL_MVCC}}
 # Do not allow to change cache this mode during restart (when persistence is enabled)
 # Do not allow transactions between {{TRANSACTIONAL}} and {{TRANSACTIONAL_MVCC}} caches
 # Add limitation to cache group - all caches within a group should have the same mode

> MVCC TX Review cache/Ignite configuration for MVCC needs
> --------------------------------------------------------
>
>                 Key: IGNITE-7966
>                 URL: https://issues.apache.org/jira/browse/IGNITE-7966
>             Project: Ignite
>          Issue Type: Task
>          Components: cache, mvcc, sql
>            Reporter: Igor Seliverstov
>            Priority: Major
>
> We need to rethink Ignite and Cache configuration to have a control on such parameters
as VACUUM frequency, TxLog data-region parameters, whether MVCC enabled or not for particular
cache etc. Most of such parameters are hardcoded now.



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