wangyang0918 commented on code in PR #20590:
URL: https://github.com/apache/flink/pull/20590#discussion_r949073763
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flink-kubernetes/src/main/java/org/apache/flink/kubernetes/highavailability/KubernetesStateHandleStore.java:
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@@ -213,14 +214,26 @@ public RetrievableStateHandle<T> addAndLock(String key, T
state)
// initialize flag to serve the failure case
boolean discardState = true;
+ final AtomicInteger retryNum = new AtomicInteger(0);
try {
// a successful operation will result in the state not being
discarded
discardState =
!updateConfigMap(
cm -> {
+ retryNum.incrementAndGet();
try {
return addEntry(cm, key,
serializedStoreHandle);
} catch (Exception e) {
+ // It could happen the fabric8 k8s
client retries a
+ // transaction that has already
succeeded due to network
+ // issues. We let the
AlreadyExistException caused by
+ //
PossibleInconsistentStateException here to avoid
+ // discarding the state.
+ if (retryNum.get() > 1
+ && e instanceof
AlreadyExistException) {
+ e.initCause(
Review Comment:
If you are suggesting to simply break the retry since the `addEntry`
executed successfully instead of throwing the
`PossiblyInconsistentStateException`, I could also update the current
implementation.
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