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https://issues.apache.org/jira/browse/SCB-234?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16326706#comment-16326706
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ASF GitHub Bot commented on SCB-234:
------------------------------------
seanyinx commented on a change in pull request #120: SCB-234 fail fast at
SagaStart if all alpha clusters are down
URL:
https://github.com/apache/incubator-servicecomb-saga/pull/120#discussion_r161642173
##########
File path:
omega/omega-connector/omega-connector-grpc/src/main/java/org/apache/servicecomb/saga/omega/connector/grpc/LoadBalancedClusterMessageSender.java
##########
@@ -150,13 +155,15 @@ private MessageSender fastestSender() {
.filter(entry -> entry.getValue() < Long.MAX_VALUE)
.min(Comparator.comparingLong(Entry::getValue))
.map(Entry::getKey)
- .orElse((event -> {
+ .orElse(event -> {
+ clusterStatus.setHealthy(false);
Review comment:
sending events are blocking. using a single thread means handling a single
transaction request at a time.
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> [pack] fail fast if alpha cluster down
> --------------------------------------
>
> Key: SCB-234
> URL: https://issues.apache.org/jira/browse/SCB-234
> Project: Apache ServiceComb
> Issue Type: Improvement
> Components: Saga
> Reporter: Yin Xiang
> Assignee: Eric Lee
> Priority: Major
> Fix For: saga-0.1.0
>
>
> when alpha cluster is down, future transactions should fail immediately at
> @SagaStart instead of keep retrying, in order not to stress the services
> further by blocking all the request threads.
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