[jira] [Created] (IGNITE-5932) Integrate communication with coordinator in tx protocol

[Anton Vinogradov (Jira)]

Semen Boikov created IGNITE-5932:
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             Summary: Integrate communication with coordinator in tx protocol
                 Key: IGNITE-5932
                 URL: https://issues.apache.org/jira/browse/IGNITE-5932
             Project: Ignite
          Issue Type: Sub-task
          Components: cache
            Reporter: Semen Boikov
            Assignee: Semen Boikov


Need integrate communication with coordinator in transactions protocol:
- after locks are acquired need request ID from coordinator
- this ID should be passed to primary/backups and passed to update
- after tx is committed need notify coordinator

Notes:
- there are differences in prepare logic for optimistic/pessimistic/serializable transactions, so most probably work with coordinator should be implemented separately for these tx types
- need support case when coordinator fails during prepare (need think is necessary rollback and retry tx or switch to next assigned coordinator)



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