[infinispan-issues] [JBoss JIRA] (ISPN-3089) The first write to a joiner in invalidation mode can be ignored

[Dan Berindei (JIRA)]

Dan Berindei created ISPN-3089:
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             Summary: The first write to a joiner in invalidation mode can be ignored
                 Key: ISPN-3089
                 URL: https://issues.jboss.org/browse/ISPN-3089
             Project: Infinispan
          Issue Type: Bug
          Components: State transfer
    Affects Versions: 5.3.0.Beta1, 5.2.6.Final
            Reporter: Dan Berindei
            Assignee: Dan Berindei
             Fix For: 5.3.0.Final


In invalidation mode we don't wait for the initial state transfer to finish, or even for the joiner to become a member in the "write" CH, before returning to the user from {{getCache()}}.

Writes to the joiner before it becomes a member of the write CH are not committed to the local cache, because of a check in {{EntryWrappingInterceptor.shouldWrap()}}. So it's possible for the joiner to ignore the first write completely.

If {{StateTransferConfigurationBuilder}} enabled {{waitForInitialTransfer}} by default in invalidation mode, like it does in distributed/replicated mode, this wouldn't happen.

The fact that it will still be possible for the user to disable {{waitForInitialTransfer}} manually shouldn't be a problem, because in invalidation mode the user should expect values to be invalidated at any time. This is just about improving the default configuration.

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