Good news, everyone, I've found a straightforward fix for this, cross-platform and in pure C#. Will be included in Ignite 2.8. Details in the ticket.
Thanks On Mon, Aug 19, 2019 at 11:20 PM Pavel Tupitsyn <ptupit...@apache.org> wrote: > Denis, the problem is described in > https://issues.apache.org/jira/browse/IGNITE-9638 > It is not specific to Continuous Queries. > It occurs when user code starts new threads a lot and calls Ignite APIs > from there (which is not common, since idiomatic .NET code should use > built-in thread pool instead). > > I investigated it thoroughly last year and, unfortunately, did not find a > clean, cross-platform solution - see my comment in Jira. > We'll have to develop a fix for every platform (Linux, Windows, Mac) > separately in C or C++, compile native binaries and ship them as part of > Ignite.NET or as a dependency. > > > > > > On Mon, Aug 19, 2019 at 2:04 PM Denis Magda <dma...@apache.org> wrote: > >> Ilya, thanks for bringing up the discussion. >> >> Pavel, did you have a chance to asses the problem? Is it specific to >> asynchronous CQ (as reported on SO) or spans across many APIs? >> >> - >> Denis >> >> >> On Sat, Aug 17, 2019 at 5:16 PM Raymond Wilson < >> raymond_wil...@trimble.com> >> wrote: >> >> > We have observed a similar problem but have not characterised it well >> > enough to report on the list yet. >> > >> > We are using IA .Net 2.7.5. >> > >> > Sent from my iPhone >> > >> > > On 17/08/2019, at 1:45 PM, Ilya Kasnacheev <ilya.kasnach...@gmail.com >> > >> > wrote: >> > > >> > > Hello! >> > > >> > > Can we get back to this question? It rears its ugly head again: >> > > >> > >> https://stackoverflow.com/questions/57513576/apache-ignite-spawns-too-much-threads/57523214 >> > > >> > > Regards, >> > > -- >> > > Ilya Kasnacheev >> > > >> > > >> > > вс, 23 сент. 2018 г. в 15:20, Pavel Tupitsyn <ptupit...@apache.org>: >> > > >> > >> Denis, >> > >> >> > >> Can't say for sure, did not investigate this yet. I'll try to find >> time >> > >> next week and get back to you. >> > >> >> > >>> On Sat, Sep 22, 2018 at 4:23 AM Denis Magda <dma...@apache.org> >> wrote: >> > >>> >> > >>> Pavel, >> > >>> >> > >>> Do you think we can get it fixed in 2.7 time frame? >> > >>> >> > >>> -- >> > >>> Denis >> > >>> >> > >>> ---------- Forwarded message --------- >> > >>> From: Ilya Kasnacheev <ilya.kasnach...@gmail.com> >> > >>> Date: Tue, Sep 18, 2018 at 9:30 AM >> > >>> Subject: Re: .NET java thread count keeps growing >> > >>> To: <user@ignite.apache.org> >> > >>> >> > >>> >> > >>> Hello! >> > >>> >> > >>> I can observe the problem that you are describing. I have created a >> > >> ticket >> > >>> https://issues.apache.org/jira/browse/IGNITE-9638 >> > >>> >> > >>> Regards, >> > >>> -- >> > >>> Ilya Kasnacheev >> > >>> >> > >>> >> > >>> пн, 17 сент. 2018 г. в 20:21, Alew <ale...@gmail.com>: >> > >>> >> > >>>> Hi, I found a way to reproduce the issue. >> > >>>> >> > >>>> I think it is related to .net thread identity. >> > >>>> >> > >>>> New .net thread leads to new java thread. >> > >>>> >> > >>>> >> > >>>> >> > >>>> On 17/09/2018 15:04, Ilya Kasnacheev wrote: >> > >>>> >> > >>>> Hello! >> > >>>> >> > >>>> You seem to have 3000 threads of form "Thread-NNNN", which is not >> what >> > >>>> Ignite usually uses, and they're all empty. >> > >>>> This is mysterious so I urge you to share the sample reproducer >> (or, >> > >>>> barring that, code snippet) that leads to such behavior. >> > >>>> >> > >>>> By the way, do you observe any errors in the log? >> > >>>> >> > >>>> Regards, >> > >>>> -- >> > >>>> Ilya Kasnacheev >> > >>>> >> > >>>> >> > >>>> вс, 16 сент. 2018 г. в 4:09, Alew <ale...@gmail.com>: >> > >>>> >> > >>>>> Hi! >> > >>>>> >> > >>>>> I have growing java thread count. The application crashes with >> OOME. >> > >> The >> > >>>>> application is very simple, only reading values in a cache. >> > >>>>> >> > >>>>> Any suggestion to debug this issue? >> > >>>>> >> > >>>>> Ignite 2.4 >> > >>>>> >> > >>>>> >> > >>>>> >> > >>>> >> > >> >> > >> >
