[ Charset windows-1252 unsupported, converting... ] > 15.04.2018 19:58, Rick Macklem wrote: > > > Niels Kobschaetzki wrote: > > [stuff snipped] > >> It is a website with quite some traffic handles by three webservers behind > >> a pair >of loadbalancers. > >> We see a loss of 20% in speed(TTFB reduced by 100ms; sounds not a lot but > >> >Google et al doesn?t like it at all) after upgrading to 11.1 with a > >> combined upgrade >to php7.1. On another server without NFS that upgrade > >> improved performance >considerably (I was told ca 30% by the front end-dev) > > One thing you could try is booting the 11.1 kernel on an 10.3 system. Newer > > FreeBSD kernels should work with older userland. > > Though one should remember that some important system utilities > may and probably will not work with newer kernel, like /sbin/ipfw, route, > ifconfig, netstat etc.
I thought that as long as the newer kernel has the right COMPAT_FREEBSD10 compiled in that all this stuff should work. Am I miss understanding this kernel option? > > > This would tell you if it is kernel changes or userland changes that are > > causing > > the higher miss rate. > -- Rod Grimes rgri...@freebsd.org _______________________________________________ firstname.lastname@example.org mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-net To unsubscribe, send any mail to "freebsd-net-unsubscr...@freebsd.org"