http://www.redhat.com/f/pdf/JB_JEAP5_PerformanceTuning_wp_web.pdf JBOSS 5.x Performance tuning guide from Redhat. Contains important on how to properly set kernel virtual memory parameters, including guide on how to use Huge Pages
http://www.redhat.com/f/pdf/JB_JEAP5_PerformanceTuning_wp_web.pdf JBOSS 5.x Performance tuning guide from Redhat. Contains important on how to properly set kernel virtual memory parameters, including guide on how to use Huge Pages
http://www.redhat.com/f/pdf/JB_JEAP5_PerformanceTuning_wp_web.pdf JBOSS 5.x Performance tuning guide from Redhat. Contains important on how to properly set kernel virtual memory parameters, including guide on how to use Huge Pages
https://community.openvpn.net/openvpn/wiki/Gigabit_Networks_Linux Notes about OpenVPN performance testing. Results, in short: easy to saturate 100Mbit network on common hardware. Possible to do a near wire-line speed on 1Gbit network (needs recent version of openssl-1.0a, fresh intel CPU that does AES in hardware AES-NI, and “–engine aesni” option passed to OpenVPN. 10Gbit – depends on hardware option, raw software speed is ~ 3.5Gb
http://www.scribd.com/doc/4069180/Caching-Performance-Lessons-from-Facebook Slides describe how FB uses caching at web server/php layer. ($GLOBALS->apc_cache->memcache->MySQL)
http://www.scribd.com/doc/4069180/Caching-Performance-Lessons-from-Facebook Slides describe how FB uses caching at web server/php layer. ($GLOBALS->apc_cache->memcache->MySQL)
http://vincent.bernat.im/en/blog/2011-ssl-benchmark.html Interesting test results comparing and analyzing SSL performance. Using right combination of software and proper tunning, you can get up to 14000 TPS (re-shake every 80 requests) on HP DL 380 G7, with two Xeon L5630 (running at 2.13GHz for a total of 8 cores), without hyperthreading, using a 2.6.39 kernel (HZ is set to 250) and two Intel 82576 NIC.
http://vincent.bernat.im/en/blog/2011-ssl-benchmark.html Interesting test results comparing and analyzing SSL performance. Using right combination of software and proper tunning, you can get up to 14000 TPS (re-shake every 80 requests) on HP DL 380 G7, with two Xeon L5630 (running at 2.13GHz for a total of 8 cores), without hyperthreading, using a 2.6.39 kernel (HZ is set to 250) and two Intel 82576 NIC.
http://blog.exceliance.fr/2011/09/16/benchmarking_ssl_performance/ SSL perfomance benchmark on Atom D510 ( dual core 1.6 GHz ). (STUD/OpenSSL 0.9.8) . With re-negotiation every 100 requests and object size = 4K, 2300 SSL Req/Sec on Intel Atom!
http://blog.exceliance.fr/2011/09/16/benchmarking_ssl_performance/ SSL perfomance benchmark on Atom D510 ( dual core 1.6 GHz ). (STUD/OpenSSL 0.9.8) . With re-negotiation every 100 requests and object size = 4K, 2300 SSL Req/Sec on Intel Atom!