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From "Ivan Pavlukhin (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (IGNITE-8581) MVCC TX: data streamer support
Date Wed, 29 Aug 2018 07:40:00 GMT

    [ https://issues.apache.org/jira/browse/IGNITE-8581?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16596040#comment-16596040
] 

Ivan Pavlukhin edited comment on IGNITE-8581 at 8/29/18 7:39 AM:
-----------------------------------------------------------------

Isolated updater (default one when {{allowOverwrite == true}}) stores rows with _initial version_
which is immediately visible to every transaction; transaction is not started and no snapshot
is used. {{REPETABLE_READ}} isolation guarantees are not satisfied in presence of such streamer.
Other updaters depends on cache API behavior.


was (Author: pavlukhin):
Isolated updater (default one when {{allowOverwrite == true}}) stores rows with _initial version_
which is immediately visible to every transaction; transaction is not started and no snapshot
is used. {{REPETABLE_READ}} isolation guarantees are not satisfied in presence of such streamer.

> MVCC TX: data streamer support
> ------------------------------
>
>                 Key: IGNITE-8581
>                 URL: https://issues.apache.org/jira/browse/IGNITE-8581
>             Project: Ignite
>          Issue Type: Bug
>          Components: mvcc, sql
>            Reporter: Sergey Kalashnikov
>            Assignee: Ivan Pavlukhin
>            Priority: Major
>
> Add support for data streamer for mvcc caches.



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