[Systems] Bender + kvm + git.sugarlabs.org = slow

Aleksey Lim alsroot at sugarlabs.org
Sat Nov 3 02:34:40 EDT 2012

On Fri, Nov 02, 2012 at 07:37:06PM +0100, Daniel Narvaez wrote:
> Hey,
> the buildbot is slower than it used to be because cloning
> git.sugarlabs.org repositories takes a while. I noticed it just blocks
> for several seconds before pulling any data. By stracing git I can see
> that it blocks in
> connect(3, {sa_family=AF_INET6, sin6_port=htons(9418),
> inet_pton(AF_INET6, "2002:1255:2c78::1", &sin6_addr), sin6_flowinfo=0,
> sin6_scope_id=0}, 28
> This is inside the build slaves, which are kvm virtual machines on
> bender. And apparently it happens only on git.sugarlabs.org, pulling
> from git.gnome.org is fast. Also git.sugarlabs.org is fast from bender
> itself, outside the vm.
> Any idea what could be going on?

Is it for git:// urls or via ssh?
In any case, I tried to git pull git:// from sunjammer using IPv6 address,
and it seems to be ok on git.sl.o side


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