fredia commented on code in PR #24768:
URL: https://github.com/apache/flink/pull/24768#discussion_r1597330403
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flink-state-backends/flink-statebackend-forst/src/main/java/org/apache/flink/state/forst/ForStKeyedStateBackend.java:
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@@ -147,15 +160,30 @@ public <SV, S extends State> S createState(@Nonnull
StateDescriptor<SV> stateDes
@Override
@Nonnull
public StateExecutor createStateExecutor() {
- // TODO: Make io parallelism configurable
- return new ForStStateExecutor(4, db,
optionsContainer.getWriteOptions());
+ synchronized (lock) {
+ if (disposed) {
+ throw new FlinkRuntimeException(
+ "Attempt to create StateExecutor after
ForStKeyedStateBackend is disposed.");
+ }
+ // TODO: Make io parallelism configurable
+ StateExecutor stateExecutor =
+ new ForStStateExecutor(4, db,
optionsContainer.getWriteOptions());
+ managedStateExecutors.add(stateExecutor);
+ return stateExecutor;
+ }
}
/** Should only be called by one thread, and only after all accesses to
the DB happened. */
@Override
public void dispose() {
- if (this.disposed) {
- return;
+ synchronized (lock) {
+ if (disposed) {
+ return;
+ }
+ disposed = true;
+ for (StateExecutor executor : managedStateExecutors) {
Review Comment:
Can this `for-loop` be placed outside the lock?
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