Dmitriy Pavlov commented on IGNITE-6827:

It would be good if dev.list discussions would be linked to this ticket. It 
confuses community members if discussion is being performed in 2 places. 

[~ascherbakov], could you please do this?

> Configurable rollback for long running transactions before partition exchange
> -----------------------------------------------------------------------------
>                 Key: IGNITE-6827
>                 URL: https://issues.apache.org/jira/browse/IGNITE-6827
>             Project: Ignite
>          Issue Type: Improvement
>    Affects Versions: 2.0
>            Reporter: Alexei Scherbakov
>            Assignee: Alexei Scherbakov
>            Priority: Major
>             Fix For: 2.5
> Currently long running / buggy user transactions force partition exchange 
> block on waiting for 
> org.apache.ignite.internal.processors.cache.GridCacheSharedContext#partitionReleaseFuture,
>  preventing all grid progress.
> I suggest introducing new global flag in TransactionConfiguration, like 
> {{txRollbackTimeoutOnTopologyChange}}
> which will rollback exchange blocking transaction after the timeout.
> Still need to think what to do with other topology locking activities.

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