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Arq Signals documentation

Installation, configuration, and snapshot management for the open-source PostgreSQL telemetry collector.

Open source

Quick start

Arq Signals is a standalone binary that connects to PostgreSQL, collects performance telemetry, and produces snapshot files. Install it, point it at your database, and run. No dependencies beyond a PostgreSQL connection.

Installation

  • —Download and install the Signals binary
  • —Create a pg_monitor role for Signals
  • —Configure connection parameters
  • —Run your first snapshot collection

Configuration

  • —Scheduling collection with cron or systemd
  • —Configuring which statistics to collect
  • —Setting snapshot output format and location
  • —Running in air-gapped environments

Data collected

  • —pg_stat_statements query statistics
  • —Table and index usage metrics
  • —Connection and session information
  • —Database-level and background writer stats

Integration

  • —Feeding snapshots to Arq for analysis
  • —Snapshot format specification
  • —Troubleshooting common issues
  • —Upgrading between versions