thanks, thats what I was recommended from the slack channel discussion as well....
cheers, Faizan On Thu, Aug 16, 2018 at 12:06 PM, Gernot Reisinger < gernot.reisin...@gmail.com> wrote: > If I understood your scenario correctly, I would assume that it is not the > Goroutines overhead per se but the traceroute command processes spawned in > the Goroutines that drives the resource demand. The pure Goroutine memory > overhead should be quite neglectable (size of G struct + initial dynamic > stack). Thus, I would look for packages that provide traceroute like > functionality (e.g. https://github.com/aeden/traceroute) to execute the > ICMP requests in process. > > > Am Donnerstag, 16. August 2018 05:29:44 UTC+2 schrieb faizan khan: >> >> Hi everyone, >> >> I am writing a CLI based golang programme which will run traceroute >> command for a range of IPs. Sometimes a range will include 63*256*256 ips, >> which is close to 4 million IPs. Each traceroute runs in a goroutine and >> then there is a watcher goroutines that acts on the console output from the >> traceroute. so for each ip 2 goroutines. I have capped the number of >> goroutines to 512 by creating a buffered channel. >> >> After a lot of trial and error I have had a stable run on an 8GB server >> with an 8GB swap file, if I run the same programme on a 512MB server with >> 1GB swap file, it takes the server to peak utilization thereby shutting me >> out. After which I have to restart my server to gain access again. If I >> lower the buffered channel size to 100 on the 512MB server it runs fine. >> >> Is there a formula of some sort using which I can find out the server >> size from the number of goroutines or the go programme... >> >> cheers, >> Faizan >> > -- > 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. > -- 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.
