[OpenStack-Infra] Fun (important!) project: optimize Gerrit's nova git repo
James E. Blair
corvus at inaugust.com
Mon Jun 13 14:58:18 UTC 2016
Zaro <zaro0508 at gmail.com> writes:
> I forgot to mention that the apps we use (gerrit and cgit) to host our
> git repos do read the repos directly from disk therefore I think that
> performing a gc on the repos would provide a performance improvement
> (CPU and memory utilization) to gerrit and cgit. It might be
> difficult to quantify how much of an improvement since both those apps
> do some cacheing of the repo data. Anyways I think there would be
> other benefits of `git gc` over `gerrit repack -adf` besides just
> recovering disk space. -Khai
What was the effect of 'git prune' with 'git gc'? In my original
message, I mentioned that the two together had the greatest effect on
disk space -- the change in ref structure could have a significant
impact to cloning time as well, but also to our ability to issue
corrective modifications to the repos.
-Jim
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