Would someone please review a PR for IGNITE-9290 [1] ?

I've add some fixes to PR #4556 [2] and TC looks fine [3].
Now,
* Explicit lock unlocking moved to background system pool thread.
* Exchange future doesn't care for unlocking at all.
* MvccManager discovery listener is responsible for triggering unlocking on
certain discovery events
* Also, ExchangeFuture.OnLeft() method was called twice in some cases. I've
fix this as well.


[1] https://issues.apache.org/jira/browse/IGNITE-9290
[2] https://github.com/apache/ignite/pull/4556
[3]
https://ci.ignite.apache.org/viewLog.html?buildId=1669225&tab=buildResultsDiv&buildTypeId=IgniteTests24Java8_RunAll

On Thu, Aug 16, 2018 at 10:31 AM Alexey Goncharuk <
[email protected]> wrote:

> Andrey, I agree that most likely this can be done in an async way. There
> are some nuances, though, because if a node leaves during an ongoing
> exchange, we should remove the locks in the context of the ongoing exchange
> and not wait for the next exchange event.
>
> I will take a look at your PR shortly.
>
> ср, 15 авг. 2018 г. в 15:57, Andrey Mashenkov <[email protected]
> >:
>
> > Hi Igniters,
> >
> > I've found Ignite node tries to unlock tx entries when a node left the
> > grid.
> > Ignite do this synchronously in
> > GridCacheMvccManager.removeExplicitNodeLocks() in discovery and exchange
> > threads.
> >
> > Looks like this can be done in ascync way.
> > I've made a PR #4565 and seems there is no new test failures [1].
> >
> > I'm not familiar enough with exchange manager code, but looks like we can
> > scan locked entries more than once per node left event.
> > Also, it looks possible we can scan locked entries once for several
> merged
> > exchange events.
> >
> > Thoughts? Any ideas how this can be refactoried?
> >
> > [1]
> >
> >
> https://ci.ignite.apache.org/project.html?projectId=IgniteTests24Java8&tab=projectOverview&branch_IgniteTests24Java8=pull%2F4546%2Fhead
> >
> > --
> > Best regards,
> > Andrey V. Mashenkov
> >
>


-- 
Best regards,
Andrey V. Mashenkov

Reply via email to