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PoWA

API—OSS—FREEyesDOCS4/5
PO5.7#16 of 35
outWeb—Windows—MacoutLinux—Android—iOS

Ranked in Database Monitoring ·Free plan

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About

PoWA is ranked #16 of 35 in database monitoring on Inferse. It runs on Linux, Self-hosted, Web. There is a free plan.

Compared on database monitoring

Free plan
Yespowa.readthedocs.io
Query profiling
Yespowa.readthedocs.io
Wait and lock analysis
Yespowa.readthedocs.io
Supported databases
PostgreSQLpowa.readthedocs.io
Deployment model
self-hostedpowa.readthedocs.io

Facts

Purpose
PoWA collects and aggregates performance metrics from PostgreSQL instances and presents them in charts to help monitor and tune servers.powa.readthedocs.io · 7 Oct 2026
Deployment modes
PoWA offers local mode for a single instance and remote mode that collects metrics from multiple instances into a repository server.powa.readthedocs.io · 7 Oct 2026
Core components
The project includes the powa-archivist PostgreSQL extension, the powa-web interface, and an optional powa-collector daemon for remote mode.powa.readthedocs.io · 7 Oct 2026
Supported metrics
Supported statistics extensions include pg_stat_statements, pg_qualstats, pg_stat_kcache, pg_wait_sampling, and pg_track_settings.powa.readthedocs.io · 7 Oct 2026
Index analysis
PoWA supports HypoPG, which lets users test hypothetical indexes without creating real indexes.powa.readthedocs.io · 7 Oct 2026
PostgreSQL requirement
The current version is designed for PostgreSQL 9.4 and newer, and pg_stat_statements is mandatory.powa.readthedocs.io · 7 Oct 2026
Remote monitoring
Remote mode can collect metrics from multiple instances, including read-only standby servers, without requiring a PostgreSQL restart to add a monitored instance.powa.readthedocs.io · 7 Oct 2026
Configuration flexibility
Metrics can be selected and enabled or disabled, and users can add custom statistics extensions without modifying PoWA.powa.readthedocs.io · 7 Oct 2026
Version 5 features
PoWA 5 adds datasource views for replication, background writer, checkpointer, SLRU, WAL, and PostgreSQL 16 or newer I/O statistics, along with per-database metric snapshots.postgresql.org · 7 Oct 2026
Security
The documentation says the UI uses prepared statements and recommends HTTPS, SSL for UI-to-PostgreSQL connections, and restricting Internet access to PoWA and PostgreSQL.powa.readthedocs.io · 7 Oct 2026
Security limitation
In remote mode, the documentation warns that saved remote-server passwords are stored as plain text and recommends using other libpq authentication methods.powa.readthedocs.io · 7 Oct 2026
Performance impact
PoWA can add performance overhead and disk usage; the documentation says local mode can have more overhead and remote mode should run few queries against target databases.powa.readthedocs.io · 7 Oct 2026
Notable query limit
The UI only displays queries observed in at least two distinct snapshots, which takes at least 10 minutes with the default snapshot frequency.powa.readthedocs.io · 7 Oct 2026
Support
The documentation directs users to community IRC and GitHub issue trackers for component-specific support.powa.readthedocs.io · 7 Oct 2026

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Where it ranks on Inferse

Sources