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From: "Philippe Mathieu-Daudé" <philmd@linaro.org>
To: "Thomas Huth" <thuth@redhat.com>,
	qemu-devel@nongnu.org, "Alex Bennée" <alex.bennee@linaro.org>,
	"Yonggang Luo" <luoyonggang@gmail.com>
Cc: "Peter Maydell" <peter.maydell@linaro.org>,
	"Daniel P . Berrangé" <berrange@redhat.com>
Subject: Re: [PATCH v2] gitlab-ci: Decrease the size of the compiler cache
Date: Mon, 20 Oct 2025 19:56:40 +0200	[thread overview]
Message-ID: <778a093a-bc42-45fb-b466-15be9a655a05@linaro.org> (raw)
In-Reply-To: <20251020161759.50241-1-thuth@redhat.com>

On 20/10/25 18:17, Thomas Huth wrote:
> From: Thomas Huth <thuth@redhat.com>
> 
> Uploading the cache from the runner takes a long time in the MSYS2
> job, mostly due to the size of the compiler cache.
> However, looking at runs with a non-poluted cache, it seems like
> you can get a build with a 99% hit rate already with ~ 160 MiB cache
> size, so the compiler cache with 500 MiB certainly contains a lot of
> stale files. Thus decrease the size of the ccache to a more reasonable
> value to speed up the MSYS2 job in our CI.
> 
> While at it, also add a "du -sh" for the build folder to get a better
> feeling for the amount of object code that is required for the build,
> and publish the list of files in /var/cache to be able to better
> analyze what is really clogging our cache here.
> 
> Signed-off-by: Thomas Huth <thuth@redhat.com>
> ---
>   v2: Decrease cache size to 180M and save cache-log.txt as artifact
> 
>   .gitlab-ci.d/windows.yml | 5 ++++-
>   1 file changed, 4 insertions(+), 1 deletion(-)

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>



      parent reply	other threads:[~2025-10-20 17:57 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-10-20 16:17 [PATCH v2] gitlab-ci: Decrease the size of the compiler cache Thomas Huth
2025-10-20 17:37 ` Daniel P. Berrangé
2025-10-20 17:56 ` Philippe Mathieu-Daudé [this message]

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