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Updated information on README for sysschema and eprformance schema

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Jean-Marie Renouard 2018-11-26 13:26:46 +00:00
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README.md
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@ -87,6 +87,38 @@ You can download the entire repository by using 'git clone' followed by the clon
Of course, you can add the execute bit (`chmod +x mysqltuner.pl`) so you can execute it without calling perl directly.
Optional Sysschema installation for MySQL 5.6
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Sysschema is installed by default under MySQL 5.7 and MySQL 8 from Oracle.
By default, on MySQL 5.6/5.7/8, performance schema is enabled by default.
For previous 5.6 version, you can follow this command to create a new database sys containing very useful view on Performance schema:
curl "https://codeload.github.com/mysql/mysql-sys/zip/master" > sysschema.zip
# check zip file
unzip -l sysschema.zip
unzip sysschema.zip
cd mysql-sys-master
mysql -uroot -p < sys_56.sql
Optional Performance schema and Sysschema installation for MariaDB 10.x
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Sysschema is not installed by default under MariaDB 10.x.
By default, on MariaDB, performance schema is disabled by default. consider activating performance schema across your my.cnf configuration file:
[mysqld]
performance_schema = on
You can follow this command to create a new database sys containing very useful view on Performance schema:
curl "https://codeload.github.com/good-dba/mariadb-sys/zip/master" > mariadb-sys.zip
# check zip file
unzip -l mariadb-sys.zip
unzip mariadb-sys.zip
cd mariadb-sys/
mysql -u root -p < ./mariadb_sys_install.sql
Performance tips
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Metadata statistic updates can impact strongly performance of database servers and MySQLTuner.