[JBoss JIRA] (ISPN-4018) Write skew should not be check if conditional operations does not change the value
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[
https://issues.jboss.org/browse/ISPN-4018?page=com.atlassian.jira.plugin....
]
Dan Berindei commented on ISPN-4018:
------------------------------------
Ok, I did some more reading and I guess you're right, not even snapshot isolation
requires a write skew check on all the read keys.
And since a conditional command only modifies the key if the condition is met, a failed
{{putIfAbsent(x, w)}} should not count as a write on {{x}}.
Write skew should not be check if conditional operations does not
change the value
----------------------------------------------------------------------------------
Key: ISPN-4018
URL: https://issues.jboss.org/browse/ISPN-4018
Project: Infinispan
Issue Type: Bug
Components: Core, Transactions
Affects Versions: 6.0.1.Final
Reporter: Pedro Ruivo
Assignee: Pedro Ruivo
Fix For: 7.0.0.Alpha1, 7.0.0.Final
Currently, if a conditional operation does no perform the update, we still perform the
check. however, the write never happened. It simple makes no sense.
However, if a write succeeds after, the write skew check must be performed for the key.
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Dan Berindei (JIRA)