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RISKS¶ Percona Toolkit is mature, proven in the real world, and well tested, but all database tools can pose a risk to the system and the database server. Before using this tool, please: Read the tool’s documentation Review the tool’s known “BUGS” Test the tool on a non-production server Backup your production server and verify the backups DESCRIPTION¶ pt-kill captures queries from SHOW PROCESSLIS
pt-fingerprint¶ NAME¶ pt-fingerprint - Convert queries into fingerprints. SYNOPSIS¶ Usage¶ pt-fingerprint converts queries into fingerprints. With the –query option, converts the option’s value into a fingerprint. With no options, treats command-line arguments as FILEs and reads and converts semicolon-separated queries from the FILEs. When FILE is -, it read standard input. Convert a single query:
Home Home Percona Server for MySQL Pro Release notes Features Quickstart guide Install Upgrade Post-Installation Manage Back up and restore Secure Replicate Monitor Troubleshoot Storage engines Reference Download PDF Percona Server for MySQL is a freely available, fully compatible, enhanced, and open source drop-in replacement for any MySQL database. It provides superior and optimized performance,
RISKS¶ Percona Toolkit is mature, proven in the real world, and well tested, but all database tools can pose a risk to the system and the database server. Before using this tool, please: Read the tool’s documentation Review the tool’s known “BUGS” Test the tool on a non-production server Backup your production server and verify the backups DESCRIPTION¶ pt-heartbeat is a two-part MySQL and PostgreS
pt-diskstats¶ NAME¶ pt-diskstats - An interactive I/O monitoring tool for GNU/Linux. SYNOPSIS¶ Usage¶ pt-diskstats prints disk I/O statistics for GNU/Linux. It is somewhat similar to iostat, but it is interactive and more detailed. It can analyze samples gathered from another machine. RISKS¶ Percona Toolkit is mature, proven in the real world, and well tested, but all database tools can pose a ris
pt-online-schema-change¶ NAME¶ pt-online-schema-change - ALTER tables without locking them. SYNOPSIS¶ Usage¶ pt-online-schema-change alters a table’s structure without blocking reads or writes. Specify the database and table in the DSN. Do not use this tool before reading its documentation and checking your backups carefully. Add a column to sakila.actor: RISKS¶ Percona Toolkit is mature, proven i
pt-config-diff¶ NAME¶ pt-config-diff - Diff MySQL configuration files and server variables. SYNOPSIS¶ Usage¶ pt-config-diff diffs MySQL configuration files and server variables. CONFIG can be a filename or a DSN. At least two CONFIG sources must be given. Like standard Unix diff, there is no output if there are no differences. Diff host1 config from SHOW VARIABLES against host2:
pt-query-digest¶ NAME¶ pt-query-digest - Analyze MySQL queries from logs, processlist, and tcpdump. SYNOPSIS¶ Usage¶ pt-query-digest analyzes MySQL queries from slow, general, and binary log files. It can also analyze queries from SHOW PROCESSLIST and MySQL protocol data from tcpdump. By default, queries are grouped by fingerprint and reported in descending order of query time (i.e. the slowest qu
Home Home Percona Monitoring and Management Percona Monitoring Plugins MySQL Software MongoDB Software PostgreSQL Software Kubernetes Operators Playback Reference Legacy documentation¶ You should upgrade to the most recent version for documentation support. The documentation for product versions that are either outdated or have reached their end-of-life is available in a PDF format. Outdated docum
Percona Toolkit Documentation¶ Percona Toolkit is a collection of advanced command-line tools used by Percona support staff to perform a variety of MySQL, MongoDB, and system tasks that are too difficult or complex to perform manually. These tools are ideal alternatives to private or “one-off” scripts, because they are professionally developed, formally tested, and fully documented. They are also
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