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Better docs for custom metrics

See original GitHub issue

Configuring custom metrics for the postgres check is quite complex, users get often confused by the usage of the %s char in the query field and how the descriptors and metrics elements are used to compose the final query.

The example in the conf.yaml.example file could be improved adding details on how the check composes the query and what’s the actual sql code produced.

Issue Analytics

State:
Created 6 years ago
Comments:6 (4 by maintainers)

Top GitHub Comments

4reactions

mascicommented, Oct 18, 2017

Also we should point out wildcards on LIKE clauses breaks the string interpolation in Python and should be escaped with the % char:

Bad: SELECT %s FROM foo WHERE bar LIKE '%baz%' Good: SELECT %s FROM foo WHERE bar LIKE '%%baz%%'

0reactions

mascicommented, Sep 6, 2018

Closing since we’re deprecating the current configuration in favor of “custom queries”, see https://github.com/DataDog/integrations-core/pull/2043

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