Has anyone benchmarked the write-throttling? Would be nice to see the CPU and memory graphs.
On Thu, Nov 16, 2017 at 12:03 AM, Ivan Rakov <[email protected]> wrote: > I agree. > > Moreover, peak throughput after long idle period won't be decreased. > Throttling works only during ongoing checkpoint (and probability of > checkpoint running after idle period is very low). > > Best Regards, > Ivan Rakov > > On 16.11.2017 10:52, Dmitry Pavlov wrote: > >> Yes, it is correct. >> >> But still, right after implementation I was for enabling this mode by >> detault. >> - It is not simple to explain need to enable this feature to each user. >> - Moreover write freezing after peak load may be considered by some >> Ignite users as bug. Not all of them will write to user list. >> >> чт, 16 нояб. 2017 г. в 10:47, Vladimir Ozerov <[email protected] >> <mailto:[email protected]>>: >> >> AFAIK throttling may decrease peak throughput. >> >> Alex, Ivan, >> Is it correct? >> >> On Thu, Nov 16, 2017 at 1:12 AM, Dmitriy Setrakyan >> <[email protected] <mailto:[email protected]>> >> wrote: >> >> > Thanks Denis, looks very nice! >> > >> > Igniters, let's stop asking users to enable flags in order for >> the system >> > to behave properly. All such flags should be enabled by default. >> > >> > D. >> > >> > On Wed, Nov 15, 2017 at 11:26 AM, Denis Magda <[email protected] >> <mailto:[email protected]>> wrote: >> > >> > > Igniters, >> > > >> > > I finished documenting pages write throttling and >> checkpointing buffers >> > > adjustment sections under the performance notes: >> > > https://apacheignite.readme.io/docs/durable-memory-tuning# >> > > section-pages-writes-throttling >> > > https://apacheignite.readme.io/docs/durable-memory-tuning# >> > > section-checkpointing-buffer-size >> > > >> > > Is there any reason why the write throttling shouldn’t be >> enabled by >> > > default? I couldn’t come with any negative effect. >> > > >> > > — >> > > Denis >> > > >> > > >> > >> >> >
