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From "Igor Rudyak (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (IGNITE-3609) Utilize Cassandra logged batches for transactions
Date Fri, 30 Sep 2016 16:32:21 GMT

    [ https://issues.apache.org/jira/browse/IGNITE-3609?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15536403#comment-15536403
] 

Igor Rudyak edited comment on IGNITE-3609 at 9/30/16 4:31 PM:
--------------------------------------------------------------

Alexey, 

Mutations is rather internal feature - to accumulate all the changes made inside transaction.
Users never interact with mutations directly - they just call *put/putAll/remove/removeAll*
methods of Ignite cache and all required mutation objects will be created inside CassandraCacheStore
implementation (if all these changes were made inside Ignite transaction). 

Thus, I don't think that it makes sense to document mutations on readme.io cause it's rather
internal feature. However, it makes sense to add documentation providing more details about
how changes made inside Ignite transactions will be persisted into Cassandra. I am going to
add this documentation a bit later.



was (Author: irudyak):
Alexey, 

Mutations is rather internal feature - to accumulate all the changes made inside transaction.
Users never interact with mutations directly - they just call *put/putAll/remove/removeAll*
methods of Ignite cache and all required mutation objects will be created inside CassandraCacheStore
implementation. 

Thus, I don't think that it makes sense to document mutations on readme.io cause it's rather
internal feature. However, it makes sense to add documentation providing more details about
how changes made inside Ignite transactions will be persisted into Cassandra. I am going to
add this documentation a bit later.


> Utilize Cassandra logged batches for transactions
> -------------------------------------------------
>
>                 Key: IGNITE-3609
>                 URL: https://issues.apache.org/jira/browse/IGNITE-3609
>             Project: Ignite
>          Issue Type: Sub-task
>          Components: cache
>            Reporter: Igor Rudyak
>            Assignee: Igor Rudyak
>             Fix For: 1.8
>
>
> Utilize Cassandra logged batches to atomically persist transaction changes in persistent
store



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