[jira] [Updated] (IGNITE-17938) Different primary nodes can be enlisted in one transaction for the same replication group

["Vladislav Pyatkov (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/IGNITE-17938?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Vladislav Pyatkov updated IGNITE-17938:
---------------------------------------
    Labels: ignite-3  (was: )

> Different primary nodes can be enlisted in one transaction for the same replication group
> -----------------------------------------------------------------------------------------
>
>                 Key: IGNITE-17938
>                 URL: https://issues.apache.org/jira/browse/IGNITE-17938
>             Project: Ignite
>          Issue Type: Bug
>            Reporter: Vladislav Pyatkov
>            Priority: Major
>              Labels: ignite-3
>
> Before to send a replica request, we try to determine a primary node. If the replication group is not used before, primary replica is choosing as a current leader for the replication group and will be enlisted only when the request is sent and handled.
> If several replica requests are handled simultaneously, in the same circumstances (primary is not enlisted for the replication group), a coordinator node can try to enlist several different primaries for the group.
> Before, we do nothing to resolve this situation, so last primary replaces previous one.
> But the right solution do not allow situation where we have several primaries for the group in one transaction. Required to check that the primary node is the same for all requests and throw an exception if this is not right.



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