April 2018
Intermediate to advanced
508 pages
15h 22m
English
Content preview from PostgreSQL 10 High Performance - Third Edition
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Sample server configuration
Some pgbench samples are provided next, from a server with the following specifications:
- Quad-core Intel Q6600
- 8 GB DDR2-800 RAM
- Areca ARC-1210 SATA II PCI-e x8 RAID controller, 256 MB write cache
- Database on 3x160 GB Western Digital SATA disks using Linux software RAID 0 (database)
- WAL on 160 GB Western Digital SATA disk
- Linux Kernel 2.6.22 x86 64
- Untuned ext3 filesystem
The OS was on a different disk from any of the database files.
Here is a basic, minimally tuned postgresql.conf capable of running pgbench usefully on such a server, with 8 GB of RAM, following the usual guidelines for shared_buffers sizing:
- shared_buffers = 2 GB
- max_wal_size = 1GB
- checkpoint_completion_target = 0.9
- wal_buffers = 16 MB
- max_connections ...
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