mahesh kumar behera created HIVE-18781:
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Summary: Create/Replicate Abort Txn event
Key: HIVE-18781
URL: https://issues.apache.org/jira/browse/HIVE-18781
Project: Hive
Issue Type: Task
Components: repl, Transactions
Affects Versions: 3.0.0
Reporter: mahesh kumar behera
Assignee: mahesh kumar behera
Fix For: 3.0.0
*EVENT_ABORT_TXN*
Source Warehouse:
- Create new event type EVENT_ABORT_TXN with related message format etc.
- Capture this event when abort the txn.
- Repl dump should read this event from EventNotificationTable and dump the
message.
*Target Warehouse:*
- Repl load should read the event from the dump and get the message.
- Validate if source txn ID from the event is there in the source-target txn
ID map. If not there, just noop the event.
- If valid, then Abort the corresponding target txn and remove the entry from
source-target txn ID map.
All these new events should be idempotent such that if it is applied twice,
then second time it should be noop.
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