If you’re running Linux, and particularly if you’re running a database on Linux, it’s been hard to recommend any filesystem other than plain old ext3 in recent years. Some of the alternatives that looked interesting at one point–jfs, ReiserFS–are completely abandoned at this point. The one that has been almost viable for some time now […]
A few weeks ago I presented an updated 2010 version of my talk on database hardware benchmarking at PG East. CPU and memory performance are particularly important for a PostgreSQL database, because every individual query runs as a single process. Therefore, the speed of your fastest core determines how fast any one query can execute […]
Today is the deadline for the special room rate at the hotel hosting this month’s PostgreSQL Conference East 2010. If you’ve been procrastinating booking a spot at the conference, as of tomorrow that will start costing you. My talk is on Database Hardware Benchmarking and is scheduled for late afternoon on the first day, Thursday […]
The new Hot Standby feature in the upcoming PostgreSQL 9.0 allows running queries against standby nodes that previously did nothing but execute a recovery process. Two common expectations I’ve heard from users anticipating this feature is that it will allow either distributing short queries across both nodes, or allow running long reports against the standby […]
Checkpoints can be a major drag on write-heavy PostgreSQL installations. The first step toward identifying issues in this area is to monitor how often they happen, which just got an easier to use interface added to the database recently.