Thomas De Schampheleire <[email protected]> schrieb am So., 4. Feb. 2018 um 13:04 Uhr:
> > > On Feb 4, 2018 12:32, "Dominik Ruf" <[email protected]> wrote: > > > > On Sun, Feb 4, 2018, 12:03 Mads Kiilerich <[email protected]> wrote: > >> On 02/03/2018 10:12 PM, Dominik Ruf wrote: >> >> >> Mads Kiilerich <[email protected]> schrieb am Sa., 3. Feb. 2018 um >> 19:32 Uhr: >> >>> On 02/01/2018 12:50 AM, Dominik Ruf wrote: >>> > Hi all, >>> > >>> > I'm currently looking at the caching Kallithea does. And I'm a >>> > bit...baffled. >>> >>> Yes, it is quite baffling and not very efficient. >>> >>> I think it very rarely gives any real benefit - it might even make >>> things slower. In real world setups with multiple repositories served by >>> each worker process, cache hits are quite rare. >> >> For large git repositories we certainly do need caching. >> >> >> Perhaps. But it is probably a very different kind of caching we need. >> > Displaying a changelog page with 100 changesets currently takes 54 seconds > even with the current caching for the Linux Kernel. > I'm about to make some changes that will get this down to about 2.5 > seconds. But of course this also depends on caching. > > > This is with a hot cache, ie not just invalidated? > Yes with 'hot cache'. Without cache it is about 70 seconds. > > Do you see the same for a similar mercurial repository, or is it specific > to git? What makes the difference? > I don't know any hg repositories with 900000+ revisions. > > Is this on an SSD disk or spinning disk? > SSD > > In our old installation we had performance problems with a large > (mercurial) repo with many heads (review repo where nothing ever gets > merged), particularly after invalidating of the cache. After upgrading > Kallithea we were able to bump mercurial (which was supposed to have > improvements to dealing with many heads), and additionally convert our > repos to the generaldelta storage format. Now performance is relatively > fine. Loading a changelog page definitely does not take 54 seconds, with > both cold and hot cache. > Here is what I did so far. https://kallithea.dominikruf.com/kallithea/kallithea-domruf/changeset/89934e26b1fe4e4c5ef36416e1afbb22299233e7
_______________________________________________ kallithea-general mailing list [email protected] https://lists.sfconservancy.org/mailman/listinfo/kallithea-general
