I took a hack and made all C-based libvirt calls using tpool. It
wasn't that bad..
https://github.com/maoy/nova/commit/757bfcb239c62c23c8455a507389efe9c1a2676e
>From my limited testing, it works fine. At least snapshot doesn't
block the compute node anymore.
Yun
On Tue, Mar 13, 2012 at 2:04 PM,
On Tue, Mar 13, 2012, Yun Mao wrote:
> There are two places in the current master branch that use tpool:
> NWFilterFirewall and XenAPISession. Are they safe?
I've looked at XenAPISession and it appears to be safe. It doesn't use
logging nor any other locks.
It does use other Python modules, but
Hi JE,
There are two places in the current master branch that use tpool:
NWFilterFirewall and XenAPISession. Are they safe?
I think if it's a pure C-based API call, then monkey patch should not
mess with it and it shouldn't try to reschedule among co-routines,
right?
After examining, the code, I
On Mon, Mar 12, 2012, Yun Mao wrote:
> My understanding is that if the answer to question3 is yes, then the
> blocking call should be executed in tpool, although it's more likely
> to have bugs in that case.
Please be very careful with tpool. If the code being executed in the
tpool thread ends up
Hi stackers,
A couple of days ago there was a long discussion of eventlet. I am
trying to summarize all external python dependencies for nova, glance
and keystone. I extracted the dependency from devstack, but I realize
that it is slightly different from tools/pip-requires. So I'm a little
confuse
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