February 2020
Intermediate to advanced
734 pages
38h 13m
English
Content preview from PostgreSQL 12 High Availability Cookbook - Third Edition
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Getting ready
Because we're going to cover both SAN performance and storage allocation, we recommend referring to the Having enough IOPS recipe and the Sizing storage recipe. Just like physical disks, we need to know how much space we need, and roughly how fast it should be to fulfill our transaction and query requirements.
Do we need a SAN? We can ask ourselves a few questions:
- Do our IOPS or storage requirements demand more than 20 hard drives?
- Will the size of our database reach or exceed 3 TB within the next 3 years?
- Would the risk to the company be too high if we ever ran out of space?
- Is there already a SAN available for testing?
If we answer yes to any of these, a SAN might be in our best interests. In that case, we can determine ...
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