Archive for the 'performance' Category

Checkpoints and the Background Writer: PostgreSQL 8.3 Improvements and Migration

Wednesday, February 10th, 2010

improvements to PostgreSQL that could be made by tuning wal/background writer processes

Tuning PostgreSQL WAL Synchronization

Tuesday, February 9th, 2010

Notes about PostgreSQL WAL synchronizations methods

WAL Configuration

Tuesday, February 9th, 2010

Notes about Write-Ahead Log, Check points and other IO configuration related to postgresql transaction log settings

Message Queue Evaluation Notes – Second Life Wiki

Saturday, January 23rd, 2010

Second Life notes about Message Queue Systems

Priorities – PostgreSQL Wiki

Wednesday, January 20th, 2010

some info about managing/prioritizing resources (CPU/IO/RAM) under PostgreSQL from the project’s WIKI

CFQ – Wikipedia, the free encyclopedia

Saturday, December 19th, 2009

notes about Linux IO Scheduler – CFQ [Completely Fair Queue] . Also see http://en.wikipedia.org/wiki/Noop_scheduler http://en.wikipedia.org/wiki/Anticipatory_scheduling http://en.wikipedia.org/wiki/Deadline_scheduler

[Linux Journal, 2004] Kernel Korner – I/O Schedulers

Friday, December 18th, 2009

Kernel Korner – I/O Schedulers

MySQL vs PostgreSQL Benchmarks | Random Bugs

Sunday, December 13th, 2009

yet another mysql vs postgresql benchmark using “OSDB”. Small difference between the two, but consider that benchmark was done on 2-way SMP, 3GB ram, 1 SATA DISK and a small dataset.

11-2009 lb-l: Re: [load balancing] Re : Layer4 and Layer7 TPS

Monday, November 23rd, 2009

discussion on LB-L (load balancing mailing list) about load-balancer performance benchmarks, vendor’s BS and so on.

Apache passenger vs nginx mongrel | Matt-Darby.com

Thursday, November 19th, 2009

comparing 2 popular ways to deploy ruby-on-rails app