samza-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From GitBox <...@apache.org>
Subject [GitHub] vjagadish1989 commented on a change in pull request #903: SEP-19: Allocator changes for standby-aware container allocation, and active container failover
Date Wed, 27 Feb 2019 19:58:50 GMT
vjagadish1989 commented on a change in pull request #903: SEP-19: Allocator changes for standby-aware
container allocation, and active container failover
URL: https://github.com/apache/samza/pull/903#discussion_r260918760
 
 

 ##########
 File path: samza-core/src/main/java/org/apache/samza/clustermanager/HostAwareContainerAllocator.java
 ##########
 @@ -81,13 +87,27 @@ public void assignResourceRequests()  {
 
         if (expired) {
           updateExpiryMetrics(request);
-          if (resourceAvailableOnAnyHost) {
-            log.info("Request for container: {} on {} has expired. Running on ANY_HOST",
request.getContainerID(), request.getPreferredHost());
-            runStreamProcessor(request, ResourceRequestState.ANY_HOST);
+
+          if (standbyContainerManager.isPresent()) {
+
+            // if standby is enabled and an alternative-anyhost-resource is available, we
try to use it
+            if (resourceAvailableOnAnyHost) {
+              standbyContainerManager.get().handleExpiredResourceRequest(containerID, request,
Optional.of(peekAllocatedResource(ResourceRequestState.ANY_HOST)), this, resourceRequestState);
+            } else {
+              standbyContainerManager.get().handleExpiredResourceRequest(containerID, request,
Optional.empty(), this, resourceRequestState);
 
 Review comment:
   why invoke this with an empty resource? what state are we tracking?

----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on GitHub and use the
URL above to go to the specific comment.
 
For queries about this service, please contact Infrastructure at:
users@infra.apache.org


With regards,
Apache Git Services

Mime
View raw message