PGInsight

CLI tool to easily dig deep inside your PostgreSQL database.

Features

Index usage
Find unused indexes
Find duplicate indexes
Disk usage for every database
Disk usage for all tables in a given database
Cache hits ratio for a given database
Cache hits per table
Find slow queries
Self-contained binary, no dependencies

Installation

Step 1: Download binary from https://github.com/lafikl/pginsight/releases
Step 2: There's no step 2!

Usage

Usage:
PGINSIGHT_DBURL="postgres://username:password@localhost/dbname?sslmode=disable" ./pginsight <cmdname> [subcommand]

Commands:
    index usage
        Shows which indexes are being scanned and how many tuples are fetched
    index unused
        Shows the indexes which haven't been scanned
    index duplicate
        Finds indexes which index on the same key(s)

    disk db
        Shows disk usage for all databases accessible from the configured user
    disk tables
        Show disk usage for all tables in the configured database

    cache total
        Shows the total number of cache hits in the database
    cache tables
        Breakdown of cache hits per table

    queries
        Shows the slowest 10 queries.

Example

PGINSIGHT_DBURL="postgres://klafi:eee@localhost/test?sslmode=disable" ./pginsight queries

License

The MIT License (MIT)

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.