eric-lee-ltk commented on a change in pull request #122: SCB-239 omega stateless
URL:
https://github.com/apache/incubator-servicecomb-saga/pull/122#discussion_r163227455
##########
File path:
alpha/alpha-core/src/main/java/org/apache/servicecomb/saga/alpha/core/EventScanner.java
##########
@@ -64,10 +66,12 @@ public void run() {
private void pollEvents() {
scheduler.scheduleWithFixedDelay(
() -> {
+ abortTimeoutEvent();
saveUncompensatedEventsToCommands();
compensate();
updateCompensatedCommands();
- deleteDuplicateSagaEndedEvents();
+ deleteDuplicateEvents();
Review comment:
Multiple alphas handling the same event will create the duplicates. The
situation you mention will be handled at the next execution of scheduler or
another alpha since all status are stored in db.
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