On Mon, Apr 22, 2019 at 11:28 AM Ben Nemec <openstack@nemebean.com> wrote:
On 4/20/19 1:38 AM, Michele Baldessari wrote:
On Fri, Apr 19, 2019 at 03:20:44PM -0700, iain.macdonnell@oracle.com wrote:
Today I discovered that this problem appears to be caused by eventlet monkey-patching. I've created a bug for it:
Hi,
just for completeness we see this very same issue also with mistral (actually it was the first service where we noticed the missed heartbeats). iirc Alex Schultz mentioned seeing it in ironic as well, although I have not personally observed it there yet.
Is Mistral also mixing eventlet monkeypatching and WSGI?
Looks like there is monkey patching, however we noticed it with the engine/executor. So it's likely not just wsgi. I think I also saw it in the ironic-conductor, though I'd have to try it out again. I'll spin up an undercloud today and see if I can get a more complete list of affected services. It was pretty easy to reproduce. Thanks, -Alex