PostgreSQL Performance From the Ground Up
PostgreSQL Performance From the Ground Up
PostgreSQL Performance From the Ground Up
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● dd<br />
Hardware Basics: Disks, Cont.<br />
● Bonnie++<br />
● time dd bs=8k<br />
if=/dev/zero of=test.bin<br />
count=131072<br />
● Simple tests<br />
● Easy to replicate results<br />
● Leverage to get <strong>the</strong><br />
vendor to fix things,<br />
esp. SAN<br />
● Check <strong>the</strong> vendor's<br />
work.