Re: Server load spike debugging
Daniel Shahaf <[email protected]> Fri, 27 Apr 2018 22:05:59 +0000
| Newsgroups | gmane.linux.region.israel |
|---|---|
| Message-ID | <1524866759.1521300.1353412608.5AB88951@webmail.messagingengine.com> |
David Suna wrote on Wed, 25 Apr 2018 22:12 +0300: > I am working on a VPS. Earlier today there was a load spike that made > the server unresponsive for a period of time (around 10-15 minutes). > Both ssh and web access were not responsive. After a while the problem > just stopped and the server started responding again. > > How can I go about diagnosing what caused the problem? It might help to keep an ssh session open throughout the day with a root shell (real '#' prompt, not just sudoable unprivileged shell) running in it; such a shell might be usable even when the CPU contention is so high that new ssh logins aren't possible. _______________________________________________ Linux-il mailing list [email protected] http://mailman.cs.huji.ac.il/mailman/listinfo/linux-il