add an option to show JSON cache metrics#4464
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tonistiigi merged 3 commits intomoby:masterfrom Jan 8, 2024
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Ah, from the initial issue I thought you meant something on the daemon side. I think this is fine though, maybe "debug" prefix for the buildctl flag? @AkihiroSuda wdyt?
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Signed-off-by: Adrien Delorme <azr@users.noreply.github.com>
Signed-off-by: Adrien Delorme <azr@users.noreply.github.com>
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Thanks for the green checkmark ! Is there anything I can do from here ? |
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Hello there,
this adds a new
json-cache-metricsparameter to write to anos.File. Handy in deamonless mode, mode with which it is a bit hard to scrape metrics the good way.At first it was just writting to stderr like the rest, after everything is done. But while seeking the end of log file to just get the last line works, it turned out a bit brittle at scale (in our case).
So I made it possible to pick a file just like for
trace. (But also kept the std(out/err) option, nice locally)LMK what you think.
Closes #4445