[GitHub] [druid] AmatyaAvadhanula commented on a change in pull request #12298: Add config for lazy connections to mitigate overwhelming of Coordinator

[GitBox <gi...@apache.org>]

AmatyaAvadhanula commented on a change in pull request #12298:
URL: https://github.com/apache/druid/pull/12298#discussion_r818288442



##########
File path: core/src/main/java/org/apache/druid/java/util/http/client/pool/ResourcePool.java
##########
@@ -177,7 +183,8 @@ private ImmediateCreationResourceHolder(
       this.unusedResourceTimeoutMillis = unusedResourceTimeoutMillis;
       this.resourceHolderList = new ArrayDeque<>();
 
-      for (int i = 0; i < maxSize; ++i) {
+      final int initializationSize = eagerInitialization ? maxSize : 1;
+      for (int i = 0; i < initializationSize; ++i) {

Review comment:
       It would create more connections on the go

##########
File path: core/src/main/java/org/apache/druid/java/util/http/client/HttpClientConfig.java
##########
@@ -118,6 +121,11 @@ public int getNumConnections()
     return numConnections;
   }
 
+  public boolean isEagerInitialization()
+  {
+    return eagerInitialization;

Review comment:
       done




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