rmatharu commented on a change in pull request #924: SAMZA-2108: Check for host
affinity config before resolving preferred host matching
URL: https://github.com/apache/samza/pull/924#discussion_r258203228
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File path:
samza-core/src/main/java/org/apache/samza/clustermanager/AbstractContainerAllocator.java
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@@ -171,7 +174,7 @@ public void requestResources(Map<String, String>
resourceToHostMappings) {
for (Map.Entry<String, String> entry : resourceToHostMappings.entrySet()) {
String containerId = entry.getKey();
String preferredHost = entry.getValue();
- if (preferredHost == null)
+ if (preferredHost == null ||
!clusterManagerConfig.getHostAffinityEnabled())
Review comment:
You can make AbstractContainerAllocator.java ignore all present
resourceToHostMappings, since AbstractContainerAllocator is instantiated only
in case host-affinity is disabled, otherwise we instantiate
HostAwareContainerAllocator.
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