[jira] [Resolved] (IGNITE-13949) Insufficient synchronisation in PartitionUpdateCounterTrackingImpl

["Yaroslav Molochkov (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/IGNITE-13949?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Yaroslav Molochkov resolved IGNITE-13949.
-----------------------------------------
    Resolution: Duplicate

> Insufficient synchronisation in PartitionUpdateCounterTrackingImpl
> ------------------------------------------------------------------
>
>                 Key: IGNITE-13949
>                 URL: https://issues.apache.org/jira/browse/IGNITE-13949
>             Project: Ignite
>          Issue Type: Bug
>    Affects Versions: 2.9.1
>            Reporter: Yaroslav Molochkov
>            Assignee: Yaroslav Molochkov
>            Priority: Major
>             Fix For: 2.11
>
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> Right now org.apache.ignite.internal.processors.cache.PartitionUpdateCounterTrackingImpl has 2 AtomicLong variables, cntr and reserveCntr, but there are some methods, that are unsynchronised, e.g. next:
> {code:java}
> @Override public long next() {
>     long next = cntr.incrementAndGet();
>     reserveCntr.set(next);
>     return next;
> } {code}
> Even though both are AtomicLong, operation like "get then set" is a composite one and should be atomic in the context of an object that holds these variables.



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