[jira] [Updated] (IGNITE-3479) Coordinator(s) for global transaction ordering

["Vladimir Ozerov (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/IGNITE-3479?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Vladimir Ozerov updated IGNITE-3479:
------------------------------------
    Component/s: mvcc

> Coordinator(s) for global transaction ordering
> ----------------------------------------------
>
>                 Key: IGNITE-3479
>                 URL: https://issues.apache.org/jira/browse/IGNITE-3479
>             Project: Ignite
>          Issue Type: Task
>          Components: cache, mvcc
>            Reporter: Alexey Goncharuk
>            Assignee: Semen Boikov
>            Priority: Major
>             Fix For: 2.7
>
>
> Current transaction ID will not work for SQL MVCC ordering because two transaction IDs are not in total order across the cluster.
> One of the approaches is to have a dedicated coordinator which will assign a continuously growing transaction ID for each committed transaction. This ID must be acquired by each transaction at the last step of PREPARE stage.



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