"Millions saw the apple fall, Newton was the only one who asked why?" | ||
| --–Bernard M. Baruch | ||
Understanding OpenStack to know how it works is great, but that's not enough. The previous chapters guided you through several topics about deploying your first OpenStack infrastructure. Now you may intend to expose your environment and let users start creating and managing virtual resources in your private OpenStack cloud, and you are most probably self-confident that you have a monitoring process that keeps watching what is happening in the cloud and works in tandem with a logging system, helping you troubleshoot if an error occurs. It sounds amazing! But when it actually comes to troubleshooting issues related to performance degradation, you will most probably ask your team: why didn't we expect that? It was so fast that the server was suddenly overloaded and could not handle any new requests to launch virtual machines. This can...