[infinispan-issues] [JBoss JIRA] (ISPN-3184) The DELTA_WRITE flag should force a remote get during state transfer

[Dan Berindei (JIRA)]

Dan Berindei created ISPN-3184:
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             Summary: The DELTA_WRITE flag should force a remote get during state transfer
                 Key: ISPN-3184
                 URL: https://issues.jboss.org/browse/ISPN-3184
             Project: Infinispan
          Issue Type: Bug
            Reporter: Dan Berindei
            Assignee: Dan Berindei


AtomicHashMap and FineGrainedAtomicHashMap, as well as custom DeltaAware implementations, use PutKeyValueCommands with the DELTA_WRITE flag to execute incremental updates. These commands need the previous value of the entry in order to work.

If a node is joining and it receives a PutKeyValueCommand with the DELTA_WRITE flag before it has received the value of the affected key, it should do a remote get to retrieve the previous value and apply the change on top of that value, just like we do for conditional commands. Not doing so leads to data loss.

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