talas-group/04_INFRA_DEPLOIEMENT/Ansible/roles/postgres-explain-visualizer/readme.md
senke 66471934af Initial commit: Talas Group project management & documentation
Knowledge base of ~80+ markdown files across 14 domains (00-13),
Logseq graph, hardware design files (KiCAD), infrastructure configs,
and talas-wiki static site.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-04-04 20:10:41 +02:00

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postgres-explain-visualizer role

This role installs pev2 (PostgreSQL Explain Visualizer) alongside a flask app to store and share EXPLAIN ANALYSE results.

Gunicorn is also installed to serve the flask app and make it production ready.

Variable reference

Mandatory variables

Variable Description Example value
pev_fqdn The host's fqdn explain.cosium.com

Upgrade

Launch this role with -e pev_update_now=true or -e global_update_now=true