Updates README + # 747
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Jean-Marie Renouard
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ca10ec7411
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1 changed files with 56 additions and 19 deletions
75
README.md
75
README.md
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@ -41,19 +41,21 @@ Compatibility
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Test result are available here: [Travis CI/MySQLTuner-perl](https://travis-ci.org/major/MySQLTuner-perl)
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* MySQL 8.0 (partial support, password checks don't work)
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* Percona Server 8.0 (partial support, password checks don't work)
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* MySQL 5.7 (full support)
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* Percona Server 5.7 (full support)
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* MariaDB 10.3 - 10.11 (full support)
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* MySQL 8.0, 8.2, 8.3 (full support)
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* Percona Server 8.0, 8.2, 8.3 (full support)
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* MariaDB 10.4, 10.5, 10.6, 10.11, 11.0, 11.1, 11.2 (full support)
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* Galera replication (full support)
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* Percona XtraDB cluster (full support)
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* Mysql Replications (partial support, no test environment)
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* MySQL 8.1 (not supported, deprecated version)
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* Percona Server 5.7 (not supported, deprecated version)
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* MySQL 5.7 (not supported, deprecated version)
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* MySQL 5.6 and earlier (not supported, deprecated version)
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* Percona Server 5.6 (not supported, deprecated version)
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* MariaDB 10.7, 10.8, 10.9, 10.10 (not supported, deprecated version)
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* MariaDB 10.3 and earlier (not supported, deprecated version)
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* MariaDB 5.5 (not supported, deprecated version)
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* MariaDB 10.2 and earlier (not supported, deprecated version)
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***Windows Support is partial***
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@ -65,17 +67,22 @@ Test result are available here: [Travis CI/MySQLTuner-perl](https://travis-ci.or
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* Cloud based is not supported at this time (Help wanted! GCP, AWS, Azure support requested)
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***Unsupported storage engines: PRs welcome***
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--
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* NDB is not supported feel free to create a Pull Request
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* MyISAM is too old and no longer active
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* RockDB
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* Archive
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* Spider
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* ColummStore
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* TokuDB
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* XtraDB
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* Connect
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Unmaintenained staff from MySQL or MariaDB:
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--
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* MyISAM is too old and no longer active
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* RockDB is not maintained anymore
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* TokuDB is not maintained anymore
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* XtraDB is not maintained anymore
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* CVE vulnerabilities detection support from [https://cve.mitre.org](https://cve.mitre.org)
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***MINIMAL REQUIREMENTS***
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@ -143,18 +150,38 @@ cd mysql-sys-master
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mysql -uroot -p < sys_56.sql
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```
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Optional Performance schema and Sysschema installation for MariaDB < 10.6
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Performance schema setup
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--
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By default, on MariaDB, performance schema is disabled by default (MariaDB<10.6).
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Consider activating performance schema across your my.cnf configuration file:
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```ini
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[mysqld]
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performance_schema = on
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performance-schema-consumer-events-statements-history-long = ON
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performance-schema-consumer-events-statements-history = ON
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performance-schema-consumer-events-statements-current = ON
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performance-schema-consumer-events-stages-current=ON
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performance-schema-consumer-events-stages-history=ON
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performance-schema-consumer-events-stages-history-long=ON
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performance-schema-consumer-events-transactions-current=ON
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performance-schema-consumer-events-transactions-history=ON
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performance-schema-consumer-events-transactions-history-long=ON
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performance-schema-consumer-events-waits-current=ON
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performance-schema-consumer-events-waits-history=ON
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performance-schema-consumer-events-waits-history-long=ON
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performance-schema-instrument='%=ON'
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max-digest-length=2048
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performance-schema-max-digest-length=2018
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```
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Sysschema installation for MariaDB < 10.6
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--
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Sysschema is not installed by default under MariaDB prior to 10.6 [MariaDB sys](https://mariadb.com/kb/en/sys-schema/)
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By default, on MariaDB, performance schema is disabled by default. consider activating performance schema across your my.cnf configuration file:
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```ini
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[mysqld]
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performance_schema = on
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```
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You can follow this command to create a new database sys containing a useful view on Performance schema:
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```bash
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@ -167,13 +194,23 @@ mysql -u root -p < ./sys_10.sql
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```
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Errors & solutions for performance schema installation
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--
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ERROR 1054 (42S22) at line 78 in file: './views/p_s/metrics_56.sql': Unknown column 'STATUS' in 'field list'
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This error can be safely ignored
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Consider using a recent MySQL/MariaDB version to avoid this kind of issue during sysschema installation
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In recent versions, sysschema is installed and integrated by default as sys schema (SHOW DATABASES)
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--
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ERROR at line 21: Failed to open file './tables/sys_config_data_10.sql -- ported', error: 2
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Have a look at #452 solution given by @ericx
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Fixing sysctl configuration (/etc/sysctl.conf)
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--
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--
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It is a system wide setting and not a database setting: [Linux FS Kernel settings](https://www.kernel.org/doc/html/latest/admin-guide/sysctl/fs.html#id1)
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You can check its values via:
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