Linuxteaching
- How do you change PT online schema?
- How do I install percona toolkit?
- Is percona Toolkit free?
- How do I check my percona Toolkit version?
- What is online schema change in SQL Server?
- What is online DDL?
- How do you run a percona toolkit?
- What is percona XtraBackup?
- How do I use percona in MySQL?
- Is percona MySQL free?
- What is the difference between offline and online index rebuild in SQL Server?
- What is online indexing in SQL Server?
How do you change PT online schema?
pt-online-schema-change works by creating an empty copy of the table to alter, modifying it as desired, and then copying rows from the original table into the new table. When the copy is complete, it moves away the original table and replaces it with the new one. By default, it also drops the original table.
How do I install percona toolkit?
Install Percona Toolkit using the corresponding package manager:
- For Debian or Ubuntu: sudo apt-get install percona-toolkit.
- For RHEL or CentOS: sudo yum install percona-toolkit.
Is percona Toolkit free?
With over 1,000,000 downloads, Percona Toolkit supports Percona Server for MySQL, MySQL, MariaDB®, Percona Server for MongoDB and MongoDB. Percona Toolkit, like all Percona software, is free and open source. You can download packages from the website or install from official repositories.
How do I check my percona Toolkit version?
To activate Version Check, you will call the tool that supports this feature with an option --version-check and the tool will connect to the Percona Version Check database.
What is online schema change in SQL Server?
The WITH (ONLINE = ON | OFF) is a new option in the ALTER TABLE… ALTER COLUMN T-SQL statement that allows you to perform changes on the columns such as changing the column data type, length, collation , sparseness and nullability while the table is online and available for users.
What is online DDL?
The online DDL feature provides support for in-place table alterations and concurrent DML. Benefits of this feature include: Improved responsiveness and availability in busy production environments, where making a table unavailable for minutes or hours is not practical.
How do you run a percona toolkit?
Percona Toolkit is developed and supported by Percona.
...
Install Percona Toolkit on Ubuntu 20.04/18.04 LTS
- Step 1: Download Percona Repository file. ...
- Step 2: Install Percona repository package. ...
- Step 3: Install Percona Toolkit on Ubuntu 20.04/18.04.
What is percona XtraBackup?
Percona XtraBackup is an open-source hot backup utility for MySQL - based servers that doesn't lock your database during the backup. It can back up data from InnoDB, XtraDB, and MyISAM tables on MySQL 5.1 [1], 5.5, 5.6 and 5.7 servers, as well as Percona Server for MySQL with XtraDB.
How do I use percona in MySQL?
How To Install a Fresh Percona Server or Replace MySQL
- Benefits. Percona Server has a number of benefits over a basic MySQL installation: ...
- Prerequisites. ...
- Step One — Checking Versions (Replacement Only) ...
- Step Two — Removing MySQL (Replacement Only) ...
- Step Three — Installing Percona Server. ...
- Step Four — Configuration. ...
- Step Five — Checking Your Installation.
Is percona MySQL free?
Percona Server for MySQL® is a free, fully compatible, enhanced and open source drop-in replacement for any MySQL database.
What is the difference between offline and online index rebuild in SQL Server?
Online index rebuilds are less intrusive when it comes to locking tables. Offline rebuilds cause heavy locking of tables which can cause significant blocking issues for things that are trying to access the database while the rebuild takes place.
What is online indexing in SQL Server?
The ONLINE option allows concurrent user access to the underlying table or clustered index data and any associated nonclustered indexes during these index operations. For example, while a clustered index is being rebuilt by one user, that user and others can continue to update and query the underlying data.
