[infinispan-issues] [JBoss JIRA] (ISPN-3932) FineGrainedAtomicMap with REPEATABLE_READ sees modifications from other transactions

[Dan Berindei (JIRA)]

Dan Berindei created ISPN-3932:
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             Summary: FineGrainedAtomicMap with REPEATABLE_READ sees modifications from other transactions
                 Key: ISPN-3932
                 URL: https://issues.jboss.org/browse/ISPN-3932
             Project: Infinispan
          Issue Type: Bug
          Components: Core
    Affects Versions: 6.0.1.Final, 5.2.7.Final
            Reporter: Dan Berindei
            Assignee: Pedro Ruivo
             Fix For: 7.0.0.Alpha1, 7.0.0.Final


FineGrainedAtomicMap doesn't respect the REPEATABLE_READ isolation level: a transaction holding a FGAM reference will see subkeys added by another concurrent transaction.

A test with PESSIMISTIC locking is here: https://github.com/danberindei/infinispan/commit/526ae4c414009b2a95b39a65b45bf0467cb78d73

We need to test OPTIMISTIC locking and the coarse-grained AtomicMap as well.

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