What we do is to periodically turn on profiling for X seconds, collect some data and turn it off again. We do it at every once a while periodically. We target a single or a group of instances in a large group.
On Mon, Jul 24, 2017 at 6:11 PM, Dave Cheney <d...@cheney.net> wrote: > Another option is to profile a % of requests. In the past I've done that > by enabling profiling on a set % of application servers then extrapolating > from there. > > > On Tuesday, 25 July 2017 10:55:42 UTC+10, Jaana Burcu Dogan wrote: >> >> It would be very speculative to provide reference numbers without >> actually seeing the specific program. You can benchmark the >> latency/throughput with the CPU profiler on to see a realistic estimate. >> FWIW, memory profiling, goroutine, thread create profiles are always on. At >> Google, we continuously profile Go production services and it is safe to do >> so. >> >> >> On Monday, July 24, 2017 at 5:44:10 PM UTC-7, nat...@honeycomb.io wrote: >>> >>> Hello, >>> >>> I am curious what the performance impact of running pprof to collect >>> information about CPU or memory usage is. Is it like strace where there >>> could be a massive slowdown (up to 100x) or is it lower overhead, i.e., >>> safe to use in production? The article here - >>> http://artem.krylysov.com/blog/2017/03/13/profiling-and-op >>> timizing-go-web-applications/ - suggests that "one of the biggest pprof >>> advantages is that it has low overhead and can be used in a production >>> environment on a live traffic without any noticeable performance >>> penalties". Is that accurate? >>> >>> Thanks! >>> >>> Nathan >>> >> -- > You received this message because you are subscribed to a topic in the > Google Groups "golang-nuts" group. > To unsubscribe from this topic, visit https://groups.google.com/d/ > topic/golang-nuts/e6lB8ENbIw8/unsubscribe. > To unsubscribe from this group and all its topics, send an email to > golang-nuts+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "golang-nuts" group. To unsubscribe from this group and stop receiving emails from it, send an email to golang-nuts+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
