From dev-return-47070-archive-asf-public=cust-asf.ponee.io@ignite.apache.org Mon Aug 19 11:04:40 2019 Return-Path: X-Original-To: archive-asf-public@cust-asf.ponee.io Delivered-To: archive-asf-public@cust-asf.ponee.io Received: from mail.apache.org (hermes.apache.org [207.244.88.153]) by mx-eu-01.ponee.io (Postfix) with SMTP id 137FE180665 for ; Mon, 19 Aug 2019 13:04:39 +0200 (CEST) Received: (qmail 28911 invoked by uid 500); 19 Aug 2019 11:04:39 -0000 Mailing-List: contact dev-help@ignite.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@ignite.apache.org Delivered-To: mailing list dev@ignite.apache.org Received: (qmail 28899 invoked by uid 99); 19 Aug 2019 11:04:39 -0000 Received: from Unknown (HELO mailrelay1-lw-us.apache.org) (10.10.3.159) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 19 Aug 2019 11:04:39 +0000 Received: from mail-io1-f46.google.com (mail-io1-f46.google.com [209.85.166.46]) by mailrelay1-lw-us.apache.org (ASF Mail Server at mailrelay1-lw-us.apache.org) with ESMTPSA id B075C585D for ; Mon, 19 Aug 2019 11:04:38 +0000 (UTC) Received: by mail-io1-f46.google.com with SMTP id x4so3249342iog.13 for ; Mon, 19 Aug 2019 04:04:38 -0700 (PDT) X-Gm-Message-State: APjAAAVoX1wDt5ETu8D7x24G4MRldJ1e8mJ6vK60/I05Dqu9aDqCHgIu KLMWwLQgWAEfuwJgBPwOTb2wZXC9UHV/MGxKaINTtg== X-Google-Smtp-Source: APXvYqycKF1B6XpxlPpCFu9QLrl6uDGa29ZpJmP8waaA8uNPYn7yvycGAbFDlZuK4EDz6xI4In3yozN05sy1t8MPMC8= X-Received: by 2002:a02:c550:: with SMTP id g16mr26333248jaj.49.1566212678304; Mon, 19 Aug 2019 04:04:38 -0700 (PDT) MIME-Version: 1.0 References: <74b19ffe-0722-d3fb-fe7c-1e46f8466a98@gmail.com> <29dd3012-e1d5-cb43-dfe5-29ef00841eac@gmail.com> In-Reply-To: From: Denis Magda Date: Mon, 19 Aug 2019 04:04:11 -0700 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: .NET java thread count keeps growing To: dev Content-Type: multipart/alternative; boundary="0000000000005556ec0590764ebe" --0000000000005556ec0590764ebe Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable 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 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 > wrote: > > > > Hello! > > > > Can we get back to this question? It rears its ugly head again: > > > https://stackoverflow.com/questions/57513576/apache-ignite-spawns-too-muc= h-threads/57523214 > > > > Regards, > > -- > > Ilya Kasnacheev > > > > > > =D0=B2=D1=81, 23 =D1=81=D0=B5=D0=BD=D1=82. 2018 =D0=B3. =D0=B2 15:20, P= avel Tupitsyn : > > > >> Denis, > >> > >> Can't say for sure, did not investigate this yet. I'll try to find tim= e > >> next week and get back to you. > >> > >>> On Sat, Sep 22, 2018 at 4:23 AM Denis Magda wrote= : > >>> > >>> Pavel, > >>> > >>> Do you think we can get it fixed in 2.7 time frame? > >>> > >>> -- > >>> Denis > >>> > >>> ---------- Forwarded message --------- > >>> From: Ilya Kasnacheev > >>> Date: Tue, Sep 18, 2018 at 9:30 AM > >>> Subject: Re: .NET java thread count keeps growing > >>> To: > >>> > >>> > >>> 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 > >>> > >>> > >>> =D0=BF=D0=BD, 17 =D1=81=D0=B5=D0=BD=D1=82. 2018 =D0=B3. =D0=B2 20:21,= Alew : > >>> > >>>> 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 wh= at > >>>> 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 > >>>> > >>>> > >>>> =D0=B2=D1=81, 16 =D1=81=D0=B5=D0=BD=D1=82. 2018 =D0=B3. =D0=B2 4:09,= Alew : > >>>> > >>>>> 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 > >>>>> > >>>>> > >>>>> > >>>> > >> > --0000000000005556ec0590764ebe--