elphastori commented on code in PR #22308:
URL: https://github.com/apache/flink/pull/22308#discussion_r1156594224
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flink-runtime/src/main/java/org/apache/flink/runtime/highavailability/nonha/standalone/StandaloneHaServices.java:
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@@ -134,9 +136,13 @@ public LeaderElectionService
getJobManagerLeaderElectionService(JobID jobID) {
}
@Override
- public LeaderRetrievalService getClusterRestEndpointLeaderRetriever() {
+ public LeaderRetrievalService getClusterRestEndpointLeaderRetriever()
+ throws UnknownHostException {
synchronized (lock) {
checkNotShutdown();
+ String clusterRestEndpointAddress =
+ HighAvailabilityServicesUtils.getWebMonitorAddress(
+ configuration,
AddressResolution.NO_ADDRESS_RESOLUTION);
Review Comment:
Why have you moved the call to `getWebMonitorAddress` inside this method? Is
it to have it after `checkNotShutdown()` or to have it in a synchronized block?
Having the check in a lock may result reduced performance and there may be
no need for thread safety since it's only a read operation.
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