We made the autobuilder sstate public a while ago but it wasn't useful after we switched to hash equivalence by default. I'm pleased to be able to report that we now have a read-only public server for the hash equivalence. We did have to fix a small API omission and a couple of sstate related bugs but I'm pleased to be able to report it is now operational and usable. An example config would be:
SSTATE_MIRRORS ?= "file://.* http://sstate.yoctoproject.org/dev/PATH;downloadfilename=PATH"; BB_HASHSERVE_UPSTREAM = "typhoon.yocto.io:8687" I've included an example image build below where it took 11 minutes for a core-image-minimal image build. Obviously this is only of benefit if you're building configurations that match the project autobuilder although hash equivalence could be useful alone in reducing some build times. I have updated the local.conf sample file in poky to match the new release. We're not widely highlighting that information as yet as it remains to be seen how well it scales and what the hosting impacts for it will look like but it is there to experiment with to a wider audience such as this list. The builds will sit for a long time whilst it queries hash equivalency and I appreciate the UI feedback could be better there but one step at a time! Cheers, Richard $ time bitbake core-image-minimal Loading cache: 100% | | ETA: --:--:-- Loaded 0 entries from dependency cache. Parsing recipes: 100% |######################################################################################################################################################| Time: 0:00:03 Parsing of 871 .bb files complete (0 cached, 871 parsed). 1519 targets, 49 skipped, 0 masked, 0 errors. NOTE: Resolving any missing task queue dependencies Build Configuration: BB_VERSION = "1.51.1" BUILD_SYS = "x86_64-linux" NATIVELSBSTRING = "ubuntu-20.04" TARGET_SYS = "x86_64-poky-linux" MACHINE = "qemux86-64" DISTRO = "poky" DISTRO_VERSION = "3.3+snapshot-89e48765083f15bf79839a778d08a68f8aece51d" TUNE_FEATURES = "m64 core2" TARGET_FPU = "" meta meta-poky meta-yocto-bsp meta-selftest = "master:89e48765083f15bf79839a778d08a68f8aece51d" Initialising tasks: 100% |###################################################################################################################################################| Time: 0:03:40 Checking sstate mirror object availability: 100% |###########################################################################################################################| Time: 0:00:28 Sstate summary: Wanted 1525 Local 0 Network 1515 Missed 10 Current 0 (99% match, 0% complete) NOTE: Executing Tasks NOTE: Tasks Summary: Attempted 3913 tasks of which 3603 didn't need to be rerun and all succeeded. real 11m2.578s user 0m42.927s sys 0m9.963s
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