Will Burns created ISPN-12430:
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Summary: AsyncNonBlockingStore can have many more modifications than
modification queue size
Key: ISPN-12430
URL:
https://issues.redhat.com/browse/ISPN-12430
Project: Infinispan
Issue Type: Bug
Components: Loaders and Stores
Reporter: Will Burns
The AsyncNonBlockingStore is known to allow for concurrent writes more than modification
queue size. Unfortunately, due to how synchronized Publisher works it can be much much
more if a given thread is delayed as other threads can sneak in. For example in the stress
test with 1024 modification queue size I could get 6K entries in a given queue. The
problem is that the concurrent publisher would add the value to its own queue which was
only processed on the first thread, which means many could sneak in as no changes were
actually populated in the map.
We should change this to be a bit more strict and limit the writes to only queue + # of
threads with concurrent modifications.
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