On 7/25/20 7:36 PM, Josef 'Jeff' Sipek wrote:
On Sat, Jul 25, 2020 at 12:27:42 +0200, Antonio Muci via Mercurial-devel wrote:
That's sad.
Yeah.
This motivated me enough to clone the repos (hg and git) and collect some
data. Maybe people here will find it useful.
I got int touch with the OpenJDK people one and half year ago. The
verison of Mercurial they use on the server is extremely old. The
repository format they use is ancient (not even general delta IIRC).
Moving to a modern Mercurial version, using sparse revlog for storage
and recomputing delta gave a massive boost to storage size and clone
performance.
However I never managed to get to even simply upgrade their mercurial
server side. Some of the issue OpenJDK had were legitimate concerns that
we could improve, but a good share was also lack of interrest in
actually improves their Mercurial situation. The crave to move to Github
for community reason was strong.
--
Pierre-Yves David
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