Sergey, I think we already have a general approach with 3 or 4 thread pools we have today.
As far as the query thread pool, how many threads should be in it by default? What happens is the query is run from compute task - will the execution be shifted from the public to the query thread pool? D. On Mon, Oct 24, 2016 at 1:47 AM, Sergey Kozlov <[email protected]> wrote: > Hi > > It seems we need a set of dedicated pools for various purposes. Could we > design a general apporach for this like following: > - define dedicated pools in the grid configuration > - run a query/compute/etc in the particular pool > > On Mon, Oct 24, 2016 at 9:49 AM, Vladimir Ozerov <[email protected]> > wrote: > > > Romain, > > We do not pre-start threads in our pools on Ignite start. Moreover, idle > > threads are stopped after some timeout. > > > > 24 окт. 2016 г. 8:57 пользователь "Gilles, Romain" < > > [email protected]> > > написал: > > > > Hi igniters, > > I'm not against to create a thread pool for each features but I have some > > difficulty to minimize the number of threads required to start ignite... > If > > you add too many thread pools does this will not increase the number of > > threads at startup? > > > > Thanks. > > > > Romain > > > > > > ________________________________ > > De: Dmitriy Setrakyan <[email protected]> > > Envoyé: 23 oct. 2016 23:00 > > À: [email protected] > > Objet: Re: Create separate thread pool for query execution > > > > How about long running compute? Do we need a separate thread pool for it > as > > well? > > > > On Sun, Oct 23, 2016 at 3:57 AM, Sergi Vladykin < > [email protected]> > > wrote: > > > > > +1 > > > > > > Sergi > > > > > > 2016-10-23 11:52 GMT+03:00 Vladimir Ozerov <[email protected]>: > > > > > > > Igniters, > > > > > > > > Currently if several long-running queries are submitted, it may stall > > all > > > > cache operations because all theads in the system pool will be busy > > with > > > > queries. > > > > > > > > I think it makes sense to move queries execution into separate > > dedicated > > > > thread pool. As we have timeouts for core pool threads now, it should > > not > > > > affect memory consumption or startup time anyhow. Thoughts? > > > > > > > > Vladimir. > > > > > > > > > "Misys" is the trade name of the Misys group of companies. This email and > > any attachments have been scanned for known viruses using multiple > > scanners. This email message is intended for the named recipient only. It > > may be privileged and/or confidential. If you are not the named recipient > > of this email please notify us immediately and do not copy it or use it > for > > any purpose, nor disclose its contents to any other person. This email > does > > not constitute the commencement of legal relations between you and Misys. > > Please refer to the executed contract between you and the relevant member > > of the Misys group for the identity of the contracting party with which > you > > are dealing. > > > > > > -- > Sergey Kozlov > GridGain Systems > www.gridgain.com >
