On Thu, Aug 18, 2022 at 06:09:39PM -0700, Andres Freund wrote: > > But look: https://cirrus-ci.com/task/4953593575899136 > > Why is the build phase so slow in that image? 12min? That's way slower than > the windows builds normally.
Because I'd just rebased it, and it's using ccache, which I mentioned is several times slower for cache misses, and only ~50% faster for cache hits :( 20220701191841.gh13...@telsasoft.com There's a patch to use depend mode, which would make cache misses less expensive. > > => I installed most of the goodies, but deferred running the installers > > until > > the image is run, and it starts just as quickly. It has to run the > > installer > > each time, rather than once when building the image. That's crummy, but > > it's > > still 1-2 minutes faster than now. Maybe for some of those, it's not > > needed to > > run an installer at all. (Like if the installer can be extracted into > > c:\programfiles). > > I am strongly against that. For one, the amount of traffic that causes with > the software providers is substantial. For another, the failure rates of > downloading stuff every time are quite high. I think you misunderstood. The installers are *retrieved* when the image is built, and zipfiles are extracted. But for .exes, the installation is deferred until the image is run. -- Justin