Thank's IL KA! Sunny Naqvi On Fri, Apr 20, 2018 at 08:01 PM, IL Ka wrote: This book is quite old, but it has a good chapter about BSD performance tools and about performance measurement in general
https://www.amazon.com/Optimizing-UNIX-Performance-Amir-Majidimehr/dp/0131115510 (https://www.amazon.com/Optimizing-UNIX-Performance-Amir-Majidimehr/dp/0131115510) Such books are rare because if you know how operation systems and computers work, you do not need anything except man pages for tools. On Fri, Apr 20, 2018 at 6:35 PM, wrote: Is there any books that describe how to deal with these tools ? Sunny Naqvi On Fri, Apr 20, 2018 at 04:42 PM, IL Ka wrote: high load top, vmstat. You can also try to profile app with dtrace. low space disk ``du -d1 -h`` to find huge dir see opened files fstat On Fri, Apr 20, 2018 at 9:56 AM, wrote: Hi Sometimes we need to maintain or debug OpenBSD. I found these links useful : https://www.openbsd.org/ddb.html (https://www.openbsd.org/ddb.html) (https://www.openbsd.org/ddb.html (https://www.openbsd.org/ddb.html)) https://man.openbsd.org/crash (https://man.openbsd.org/crash) (https://man.openbsd.org/crash (https://man.openbsd.org/crash)) https://www.openbsd.org/report.html (https://www.openbsd.org/report.html) (https://www.openbsd.org/report.html (https://www.openbsd.org/report.html)) But what do you use guys ? any tricks when things go wrong ? Like for example facing to 'high load', 'low space disk', 'see opened files'... Thanks Sunny Naqvi
