3 ms·
Ah got it! The control plane has instance restrictions similar to customer nodes, since it uses some of the same infrastructure.
by adamfeldman 12y ago
Ah got it! The control plane has instance restrictions similar to customer nodes, since it uses some of the same infrastructure.
- bcantrill 12y agoExactly; it uses all of the same infrastructure, actually -- it's just provisioned on a different network (namely, the admin network). It's also worth noting that OS-based virtualization helped us here not only because of the global visibility we get with DTrace (which immediately indicated that TFTP was waiting for CPU), but also because we could dynamically adjust the throttle and simply give it more CPU without having to bounce the box and interrupt all of the TFTP booting in progress. It was a small amount of solace on what was easily the worst day we've had in a while, if not ever...