Hello! You do not need any optimizations here since the time between checkpoints is configurable.
More checkpoints - faster recovery but more data needs to be written to disk. Fewer checkpoints - recovery will take more time but overall performance is somewhat higher. Regards, -- Ilya Kasnacheev пт, 9 окт. 2020 г. в 07:05, Raymond Wilson <raymond_wil...@trimble.com>: > Ilya, > > Does 2.9 have specific optimizations for checkpoints? > > Thanks, > Raymond. > > On Fri, Oct 9, 2020 at 1:23 AM Ilya Kasnacheev <ilya.kasnach...@gmail.com> > wrote: > >> Hello! >> >> I think the real saver is in decreasing amount of time between >> checkpoints. >> >> Regards, >> -- >> Ilya Kasnacheev >> >> >> вт, 6 окт. 2020 г. в 02:10, Raymond Wilson <raymond_wil...@trimble.com>: >> >>> Thanks for the thoughts Ilya and Vladimir. >>> >>> We'll do a comparison with 2.9 when it releases to see if that makes any >>> difference. >>> >>> One of the advantages with persistent storage is that it is effectively >>> 'instant start'. Our WAL size is around 5Gb, perhaps this should be >>> decreased to reduce system start-up time? >>> >>> Thanks, >>> Raymond. >>> >>> On Wed, Sep 30, 2020 at 7:31 AM Vladimir Pligin <vova199...@yandex.ru> >>> wrote: >>> >>>> It's possible that it happens because of >>>> https://issues.apache.org/jira/browse/IGNITE-13068. >>>> We need to scan the entire SQL primary index during startup in case you >>>> have >>>> at least on query entity configured. >>>> As far as I can see it's going to be a part of the Ignite 2.9 release. >>>> >>>> >>>> >>>> -- >>>> Sent from: http://apache-ignite-users.70518.x6.nabble.com/ >>>> >>> >>> >>> -- >>> <http://www.trimble.com/> >>> Raymond Wilson >>> Solution Architect, Civil Construction Software Systems (CCSS) >>> 11 Birmingham Drive | Christchurch, New Zealand >>> +64-21-2013317 Mobile >>> raymond_wil...@trimble.com >>> >>> >>> <https://worksos.trimble.com/?utm_source=Trimble&utm_medium=emailsign&utm_campaign=Launch> >>> >> > > -- > <http://www.trimble.com/> > Raymond Wilson > Solution Architect, Civil Construction Software Systems (CCSS) > 11 Birmingham Drive | Christchurch, New Zealand > +64-21-2013317 Mobile > raymond_wil...@trimble.com > > > <https://worksos.trimble.com/?utm_source=Trimble&utm_medium=emailsign&utm_campaign=Launch> >
