From: Geert Jansen Date: Mon, 12 Nov 2018 22:58:01 GMT Subject: Re: [RFC PATCH] index-pack: improve performance on NFS Message-ID: <20181112225801.GB32727@amazon.com> In-Reply-To: <87d0re5pt3.fsf@evledraar.booking.com> On Fri, Nov 09, 2018 at 02:43:52PM +0100, Ævar Arnfjörð Bjarmason wrote: > As noted in > https://public-inbox.org/git/87bm7clf4o.fsf@evledraar.gmail.com/ and > https://public-inbox.org/git/87h8gq5zmc.fsf@evledraar.gmail.com/ I think > it's regardless of Jeff's optimization is. O(nothing) is always faster > than O(something), particularly (as explained in that E-Mail) on NFS. > > You didn't answer my question in > https://public-inbox.org/git/20181030024925.GC8325@amazon.com/ about > whether for your purposes you're interested in this for something where > it needs to work out of the box on some random Amazon's customer's > "git", or if it's something in-house and you just don't want to turn off > collision checking. That would be useful to know. The reason I started this thread is to optimize performance for AWS customers that run git on EFS. Therefore, my preference is that git would be fast out of the box on NFS/EFS but without having to disable collision checking unconditionally (disabling it for empty repos is fine as that's a no-op anyway).