d8tltanc commented on a change in pull request #8683:
URL: https://github.com/apache/kafka/pull/8683#discussion_r443903133
##########
File path:
clients/src/test/java/org/apache/kafka/clients/ClusterConnectionStatesTest.java
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@@ -321,4 +325,37 @@ public void testIsPreparingConnection() {
connectionStates.disconnected(nodeId1, time.milliseconds());
assertFalse(connectionStates.isPreparingConnection(nodeId1));
}
+
+ @Test
+ public void testExponentialConnectionSetupTimeout() {
+ assertTrue(connectionStates.canConnect(nodeId1, time.milliseconds()));
+
+ // Check the exponential timeout growth
+ for (int n = 0; n <= Math.log((double) connectionSetupTimeoutMaxMs /
connectionSetupTimeoutMs) / Math.log(2); n++) {
+ connectionStates.connecting(nodeId1, time.milliseconds(),
"localhost", ClientDnsLookup.DEFAULT);
+ assertTrue(connectionStates.connectingNodes().contains(nodeId1));
+ assertEquals(connectionSetupTimeoutMs * Math.pow(2, n),
+ connectionStates.connectionSetupTimeoutMs(nodeId1),
+ connectionSetupTimeoutMs * Math.pow(2, n) * 0.2);
Review comment:
Yes. I added static class properties for specifying these parameters.
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