feat: add transaction ID age to postgres_exporter - #2375
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Add pg_wraparound custom metric to postgres_exporter that tracks the maximum transaction ID age across all databases. This enables proactive monitoring of wraparound risk before it reaches critical thresholds. - New queries.yml with max(age(datfrozenxid)) query - Deployed to /opt/postgres_exporter/ via Ansible Related: INDATA-1261
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Pull request overview
Adds a custom postgres_exporter metric to monitor wraparound risk by exporting the maximum age(datfrozenxid) across all databases, deployed via Ansible.
Changes:
- Deploy a new
queries.ymlcontaining thepg_wraparoundcustom query/metric definition. - Copy
queries.ymlinto/opt/postgres_exporter/during exporter provisioning.
Reviewed changes
Copilot reviewed 2 out of 2 changed files in this pull request and generated 2 comments.
| File | Description |
|---|---|
| ansible/tasks/internal/postgres-exporter.yml | Copies the new custom queries.yml into the exporter install directory during provisioning. |
| ansible/files/queries.yml | Defines the pg_wraparound extended query exporting max transaction ID age across databases. |
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| src: files/queries.yml | ||
| dest: /opt/postgres_exporter/queries.yml | ||
| owner: root | ||
| group: root | ||
| mode: '0644' |
Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>
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What kind of change does this PR introduce?
feature INDATA-1261
What is the current behavior?
What is the new behavior?
Add pg_wraparound custom metric to postgres_exporter that tracks the maximum transaction ID age across all databases. This enables proactive monitoring of wraparound risk before it reaches critical thresholds.
Additional context