Open Stack

On 2021-02-04 22:29:35 +0200 (+0200), Dmitriy Rabotyagov wrote:
> For OSA huge issue is how zuul clones required-projects. Just this
> single action takes for us from 6 to 10 minutes.
[...]

I'd be curious to see some examples of this. Zuul doesn't clone
required-projects, but it does push new commits from a cache on the
executor to a cache on the node. The executor side caches are
updated continually as new builds are scheduled, and the caches on
the nodes are refreshed every time the images from which they're
booted are assembled (typically daily unless something has
temporarily broken our ability to rebuild a particular image). So on
average, the executor is pushing only 12 hours worth of new commits
for each required project. I don't recall if it performs those push
operations in parallel, but I suppose that's something we could look
into.
-- 
Jeremy Stanley
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