Percona Toolkit
Percona Toolkit is an open source software suite developed by Percona that provides advanced tools for monitoring, diagnosing and optimizing MySQL and MongoDB databases. It includes utilities for backup, replication and query analysis.
mysql
mongodb
backup
replication
query-analysis
Percona Toolkit: Open Source Database Monitoring and Optimization Tools
Advanced tools for monitoring, diagnosing and optimizing MySQL and MongoDB databases with utilities for backup, replication and query analysis, all in one open source software suite.
What is Percona Toolkit?
Percona Toolkit is a collection of advanced open source command-line utilities, developed and supported by Percona, that allows database and system administrators to monitor, diagnose and optimize the performance of MySQL, MariaDB and MongoDB databases. It includes the following key features:
- pt-query-digest - Analyzes MySQL query logs and aggregates queries based on similarity, providing metrics like frequency, response time indexes, lock times, rows sent, rows examined etc.
- pt-online-schema-change - Alters MySQL tables without significant locking/downtime.
- pt-mongodb-summary - Collects MongoDB statistics like memory usage, operations, replicas, locks etc.
- pt-deadlock-logger - Logs MySQL deadlocks to understand and fix deadlock issues.
- pt-table-sync - Synchronizes MySQL replicated tables efficiently.
- pt-table-checksum - Verifies data consistency between MySQL tables.
- pt-upgrade - Upgrades MySQL replicated tables safely.
- pt-config-diff - Shows differences between MySQL configurations.
With its advanced diagnostic features, Percona Toolkit is very useful for DBAs, support engineers and developers to keep MySQL and MongoDB environments performing optimally.
Percona Toolkit Features
Features
- pt-query-digest - Analyzes MySQL queries and provides query statistics
- pt-table-checksum - Verifies MySQL replication integrity
- pt-online-schema-change - Alters MySQL schemas without downtime
- pt-archiver - Archives MySQL data to avoid deletions
- pt-mysql-summary - Gathers MySQL metrics for trend analysis
- pt-kill - Kills MySQL queries or connections
- pt-deadlock-logger - Logs MySQL deadlocks
Pricing
- Open Source
Pros
Open source and free
Wide range of powerful utilities
Helps optimize database performance
Easy to install and use
Active development and support
Cons
Steep learning curve for some features
Requires expertise to interpret some results
Not all utilities work with MySQL variants
Limited documentation for some tools
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