Zhenya, Can you please elaborate? Why we need to change default TX timeout via JMX? It looks feasible and perhaps may work as a hotfix for live deployments experiencing issues with long transactions, but it's definitely a separate issue.
On Fri, May 22, 2020 at 6:20 PM Zhenya Stanilovsky <arzamas...@mail.ru.invalid> wrote: > > Ivan, does global timeout change through jmx in scope of this ticket ? If > so, can you add it ? Opposite we need additional ticket, i hope ? We > still have no somehow store for jmx changed params, every one need to > remember that cluster restart will reset this setting to default, in this > case system param need to be appended. > > > > >https://issues.apache.org/jira/browse/IGNITE-13064 is raised with label > >"newbie". > > > >On Tue, May 19, 2020 at 4:10 PM Ivan Rakov < ivan.glu...@gmail.com > > wrote: > > > >> Support this idea in general but why 5 minutes and not less? > >> > >> This value looks to me greater than any value that can possibly affect > >> existing deployments (existing long transactions may suddenly start to > >> rollback), but less than reaction time of users that are only starting > to > >> get along with Ignite and suddenly experience TX deadlock. > >> > >> -- > >> Best Regards, > >> Ivan Rakov > >> > >> On Tue, May 19, 2020 at 10:31 AM Anton Vinogradov < a...@apache.org > > wrote: > >> > >>> +1 > >>> > >>> On Mon, May 18, 2020 at 9:45 PM Sergey Antonov < > antonovserge...@gmail.com > >>> > > >>> wrote: > >>> > >>> > +1 > >>> > > >>> > пн, 18 мая 2020 г. в 21:26, Andrey Mashenkov < > >>> andrey.mashen...@gmail.com >: > >>> > > >>> > > +1 > >>> > > > >>> > > On Mon, May 18, 2020 at 9:19 PM Ivan Rakov < ivan.glu...@gmail.com > > > >>> > wrote: > >>> > > > >>> > > > Hi Igniters, > >>> > > > > >>> > > > I have a very simple proposal. Let's set default TX timeout to 5 > >>> > minutes > >>> > > > (right now it's 0 = no timeout). > >>> > > > Pros: > >>> > > > 1. Deadlock detection procedure is triggered on timeout. In case > >>> user > >>> > > will > >>> > > > get into key-level deadlock, he'll be able to discover root cause > >>> from > >>> > > the > >>> > > > logs (even though load will hang for a while) and skip step with > >>> > googling > >>> > > > and debugging. > >>> > > > 2. Almost every system with transactions has timeout enabled by > >>> > default. > >>> > > > > >>> > > > WDYT? > >>> > > > > >>> > > > -- > >>> > > > Best Regards, > >>> > > > Ivan Rakov > >>> > > > > >>> > > > >>> > > > >>> > > -- > >>> > > Best regards, > >>> > > Andrey V. Mashenkov > >>> > > > >>> > > >>> > > >>> > -- > >>> > BR, Sergey Antonov > >>> > > >>> > >> > > > >
