“RUNNING A JBOSS CLUSTER IN THE CLOUD”, by Bela Ban, JBoss. “JBoss Clustering uses IP
multicasting, so it doesn’t work on EC2 !@#$@” — WRONG ! Of course it DOES ! -
Posted in aws, cluster, ec2, java, jboss, JbossWorld, multicast, network, presentation, redhat | Comments Off | permalink
Notes about OpenVPN performance testing. Results, in short: easy to saturate 100Mbit network on common hardware. Possible to do a near wire-line speed on 1Gbit network (needs recent version of openssl-1.0a, fresh intel CPU that does AES in hardware …
Posted in 10G, AES, AES-NI, benchmark, intel, network, openvpn, performance, Security, shortcut:openvpn, testing, vpn | Comments Off | permalink
Presentation by Josh Berkus (PostgeSQL developer)
at MySQL User Conference 2011
Posted in databases, datawarehouse, dba, DW, OLAP, partitioning, postgresql | Comments Off | permalink
Thanks to Aloha LoadBalncer people for nice SSL protocol diagram
Posted in diagrams, https, protocol, ssl | Comments Off | permalink
Slides describe how FB uses caching at web server/php layer. ($GLOBALS->apc_cache->memcache->MySQL)
Posted in cache, caching, memcached, performance, php, web, webdev | Comments Off | permalink
Slides describe how FB uses caching at web server/php layer. ($GLOBALS->apc_cache->memcache->MySQL)
Posted in cache, caching, memcached, performance, php, web, webdev | Comments Off | permalink
Read it. Take it with a grin of salt* . Nevertheless, the piece gives you sort of accurate prospective on how business views/values your engineering position
Posted in advice, career, engineering, english | Comments Off | permalink
Read it. Take it with a grin of salt* . Nevertheless, the piece gives you sort of accurate prospective on how business views/values your engineering position
Posted in advice, career, engineering, english | Comments Off | permalink
The subject. Monit is only used for monitoring basic service availability and standard system metrics. Munin is used to monitor tomcat internal parameters collected from tomcat manager via munin plugin
Posted in Linux, monit, monitor, munin, sysadmin, tomcat | Comments Off | permalink
The subject. Monit is only used for monitoring basic service availability and standard system metrics. Munin is used to monitor tomcat internal parameters collected from tomcat manager via munin plugin
Posted in Linux, monit, monitor, munin, sysadmin, tomcat | Comments Off | permalink
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