Hi Sean Bollin. Sean Bollin have written on Tue, 9 May 2017 15:24:50 -0700:
> I've got an issue in our application when I fire off a few dozen HTTPS > requests curl_multi_perform is blocking for 15+ seconds. > > I took this example and modified it to just make 30 HTTPS requests: > https://curl.haxx.se/libcurl/c/multi-app.htm > > When I compile multi-app and link it to the libcurl 7.29.0 installed > on RedHat at the system level (using just gcc multi-app.c -lcurl) I > can reproduce this long pause of 15+ seconds. > > Next, if I download libcurl 7.42 or even the same version 7.29 and > build that myself, and link against it, I'm able to get the requests > to fire off in 1-2 seconds total. Which ssl library do you use when you compile by your own? The curl on centos is build with nss. Regards Aleks > I've tried enabling/disabling AsyncDNS via c-ares as that was a > difference I noticed between the system level library and the ones I > compiled manually but it didn't have any effect. > > Currently I am stumped as to how to continue. Any ideas on how to > debug this or what to check? > > Let me know if I can provide any further info. > ------------------------------------------------------------------- > Unsubscribe: https://cool.haxx.se/list/listinfo/curl-library > Etiquette: https://curl.haxx.se/mail/etiquette.html ------------------------------------------------------------------- Unsubscribe: https://cool.haxx.se/list/listinfo/curl-library Etiquette: https://curl.haxx.se/mail/etiquette.html
