From: "Armin Kuster" <akuster808@gmail.com>
To: Richard Purdie <richard.purdie@linuxfoundation.org>,
openembedded-core <openembedded-core@lists.openembedded.org>
Cc: Joshua Watt <JPEWhacker@gmail.com>,
Michael Halstead <mhalstead@linuxfoundation.org>
Subject: Re: [OE-core] Public project sstate/hash equivalence mirror now live
Date: Sun, 12 Sep 2021 07:55:17 -0700 [thread overview]
Message-ID: <95bf1261-eb40-cafa-3153-0c472142fb98@gmail.com> (raw)
In-Reply-To: <0b6111c1d71f1665cacafafaea972e609a77a0cd.camel@linuxfoundation.org>
On 9/12/21 4:46 AM, Richard Purdie wrote:
> 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.
What branches that support hash equivalence will be available other than
Master?
>
> 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 should improve the out-of-the-box experience.
thanks,
> 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
>
>
>
>
>
>
next prev parent reply other threads:[~2021-09-12 14:55 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-12 11:46 Public project sstate/hash equivalence mirror now live Richard Purdie
2021-09-12 14:55 ` Armin Kuster [this message]
2021-09-12 15:58 ` [OE-core] " Richard Purdie
2021-09-12 16:01 ` Joshua Watt
2021-09-14 15:27 ` Konrad Weihmann
2021-09-14 16:26 ` Richard Purdie
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