[GitHub] [kafka] d8tltanc commented on a change in pull request #8683: KAFKA-9893: Configurable TCP connection timeout and improve the initial metadata fetch

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d8tltanc commented on a change in pull request #8683:
URL: https://github.com/apache/kafka/pull/8683#discussion_r439609952



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File path: clients/src/main/java/org/apache/kafka/clients/ClusterConnectionStates.java
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@@ -158,9 +165,16 @@ public InetAddress currentAddress(String id) throws UnknownHostException {
      */
     public void disconnected(String id, long now) {
         NodeConnectionState nodeState = nodeState(id);
-        nodeState.state = ConnectionState.DISCONNECTED;
         nodeState.lastConnectAttemptMs = now;
-        updateReconnectBackoff(nodeState);
+        nodeState.failedAttempts++;
+        nodeState.reconnectBackoffMs = reconnectBackoff.term(nodeState.failedAttempts - 1);
+        if (nodeState.state == ConnectionState.CONNECTING) {
+            nodeState.connectionSetupTimeoutMs = connectionSetupTimeout.term(nodeState.failedAttempts);

Review comment:
       Correct. I'll add a new class property to record connection failures separately.




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