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Posted to issues@servicecomb.apache.org by "Lei Zhang (Jira)" <ji...@apache.org> on 2019/10/08 02:07:00 UTC

[jira] [Created] (SCB-1505) Add transaction children fields to @SagaStart

Lei Zhang created SCB-1505:
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             Summary: Add transaction children fields to @SagaStart
                 Key: SCB-1505
                 URL: https://issues.apache.org/jira/browse/SCB-1505
             Project: Apache ServiceComb
          Issue Type: New Feature
          Components: Saga
    Affects Versions: pack-0.6.0
            Reporter: Lei Zhang


Transaction children are the number of sub-transactions in the global transaction, This is useful if the user clearly knows the number of sub-transactions.

We don't care about the concurrency of global transactions and sub-transactions. After receiving the @SagaEndedEvent event, the state machine only needs to judge whether the sub-transactions have been completed. If all the sub-transactions have been completed, they can end otherwise, they will wait.

Of course, in order to avoid endless waits, I recommend using the @sagaStart timeout property together.



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