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
http://www.westnet.com/~gsmith/content/postgresql/InsideBufferCache.pdf “There’s very little information about PostgreSQL buffer cache
http://www.westnet.com/~gsmith/content/postgresql/chkp-bgw-83.htm improvements to PostgreSQL that could be made by tuning wal/background writer processes
http://www.westnet.com/~gsmith/content/postgresql/TuningPGWAL.htm Notes about PostgreSQL WAL synchronizations methods
http://developer.postgresql.org/pgdocs/postgres/wal-configuration.html Notes about Write-Ahead Log, Check points and other IO configuration related to postgresql transaction log settings
http://www.linuxjournal.com/article/6931 Kernel Korner - I/O Schedulers
http://www.fishpool.org/post/2008/03/31/Optimizing-Linux-I/O-on-hardware-RAID explains use linux IO scheulers with presence of smart RAID controllers.
http://fasterdata.es.net/TCP-tuning/ Excellent site provides both theoretical background and practical recommendation for the situation when you need to push limits of TCP links using regular OS and commodity hardware. Especially useful if you need to do it via long-haul fast TCP link, i.e. the situation when you normally use specialized networking hardware (read: cisco)