February 2020
Intermediate to advanced
734 pages
38h 13m
English
Content preview from PostgreSQL 12 High Availability Cookbook - Third Edition
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How to do it...
Follow these instructions to apply several transformations to a simple graph:
- Direct a web browser at the monitor server on port 3000.
- Click the Home quick menu in the top left-hand corner and choose the PostgreSQL Cluster dashboard.
- Choose the Add panel option from the context menu at the top of the screen:
- Choose the Add Query option under New Panel.
- Click Select measurement and select postgresql.
- Set the new field to xact_commit.
- In the SELECT line, click the + icon and select Transformations - derivative.
- In the SELECT line, click the + icon and select Math - math.
- Change the parameter to the math() function to /10.
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