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MySQLTuner-perl
====
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**MySQLTuner** is a script written in Perl that allows you to review a MySQL installation quickly and make adjustments to increase performance and stability. The current configuration variables and status data is retrieved and presented in a brief format along with some basic performance suggestions.
**MySQLTuner** è uno script Perl che permette di analizzare velocemente una installazione di MySQL, nonché di apportare modifiche per migliorare le prestazioni e la stabilità. In modo coinciso sono riportati lo stato attuale delle variabili di configurazione e i dati sullo stato del sistema, corredati da suggerimenti di base per il miglioramento delle prestazioni.
**MySQLTuner** supports in this last version ~250 indicators for MySQL/MariaDB/Percona Server.
**MySQLTuner** supporta, in quest'ultima versione, circa 250 indicatori per i server MySQL/MariaDB/Percona.
**MySQLTuner** is maintained and indicator collect is increasing week after week supporting a lot of configuration sush as ![Galera Cluster](http://galeracluster.com/), ![TokuDB](https://www.percona.com/software/mysql-database/percona-tokudb), ![ Performance schema](https://github.com/mysql/mysql-sys), Linux OS metrics, ![InnoDB](http://dev.mysql.com/doc/refman/5.7/en/innodb-storage-engine.html), ![MyISAM](http://dev.mysql.com/doc/refman/5.7/en/myisam-storage-engine.html), ![Aria](https://mariadb.com/kb/en/mariadb/aria/), ...
**MySQLTuner** è attivamente manutenuto e nuovi indicatori sono aggiunti di settimana in settimana, supportando un gran numero di configurazioni tra le quali ![Galera Cluster](http://galeracluster.com/), ![TokuDB](https://www.percona.com/software/mysql-database/percona-tokudb), ![ Performance schema](https://github.com/mysql/mysql-sys), metriche relative al SO Linux, ![InnoDB](http://dev.mysql.com/doc/refman/5.7/en/innodb-storage-engine.html), ![MyISAM](http://dev.mysql.com/doc/refman/5.7/en/myisam-storage-engine.html), ![Aria](https://mariadb.com/kb/en/mariadb/aria/), ...
You can found more details on this indicators
Maggiori dettagli sugli indicatori
![Indicators description](https://github.com/major/MySQLTuner-perl/blob/master/INTERNALS.md).
![MysqlTuner](https://github.com/major/MySQLTuner-perl/blob/master/mysqltuner.png)
MySQLTuner needs you:
MySQLTuner ha bisogno di te:
===
**MySQLTuner** needs contributors for documentation, code and feedbacks..
**MySQLTuner** ha bisogno di collaboratori per la documentazione, il codice e suggerimenti..
* Please join us on issue track at [GitHub tracker](https://github.com/major/MySQLTuner-perl/issues)</a>.
* Contribution guide is avalaible following [MySQLTuner contributing guide](https://github.com/major/MySQLTuner-perl/blob/master/CONTRIBUTING.md)
* Star **MySQLTuner project** at [MySQLTuner Git Hub Project](https://github.com/major/MySQLTuner-perl)
* Problemi e suggerimenti possono essere riportati su [GitHub tracker](https://github.com/major/MySQLTuner-perl/issues).
* La guida per contribuire è disponibile in inglese: [MySQLTuner contributing guide](https://github.com/major/MySQLTuner-perl/blob/master/CONTRIBUTING.md)
* Dai un Stella a **MySQLTuner project** su [GitHub](https://github.com/major/MySQLTuner-perl)
Compatibility:
Compatibilità:
====
* MySQL 5.7 (full support)
* MySQL 5.6 (full support)
* MySQL 5.5 (full support)
* MariaDB 10.1 (full support)
* MariaDB 10.0 (full support)
* Percona Server 5.6 (full support)
* Percona XtraDB cluster (full support)
* MySQL 3.23, 4.0, 4.1, 5.0, 5.1 (partial support - deprecated version)
* Perl 5.6 or later (with [perl-doc](http://search.cpan.org/~dapm/perl-5.14.4/pod/perldoc.pod) package)
* Unix/Linux based operating system (tested on Linux, BSD variants, and Solaris variants)
* Windows is not supported at this time (Help wanted !!!!!)
* Unrestricted read access to the MySQL server (OS root access recommended for MySQL < 5.1)
* CVE vulnerabilites detection support from [https://cve.mitre.org](https://cve.mitre.org)
* MySQL 5.7 (pieno supporto)
* MySQL 5.6 (pieno supporto)
* MySQL 5.5 (pieno supporto)
* MariaDB 10.1 (pieno supporto)
* MariaDB 10.0 (pieno supporto)
* Percona Server 5.6 (pieno supporto)
* Percona XtraDB cluster (pieno supporto)
* MySQL 3.23, 4.0, 4.1, 5.0, 5.1 (supporto parziale - versione deprecata)
* Perl 5.6 o successivi (col pacchetto [perl-doc](http://search.cpan.org/~dapm/perl-5.14.4/pod/perldoc.pod))
* Sistemi operativi basati su Unix/Linux (testato su Linux, varianti di BSD e di Solaris)
* Windows non è supportato al momento (gradito aiuto!!!!!)
* Accesso completo in lettura al server MySQL (accesso root a livello di SO raccomandato per MySQL < 5.1)
* supporto al rilevamento di vulnerabilità CVE da [https://cve.mitre.org](https://cve.mitre.org)
***WARNING***
***ATTENZIONE***
--
It is **extremely important** for you to fully understand each change
you make to a MySQL database server. If you don't understand portions
of the script's output, or if you don't understand the recommendations,
**you should consult** a knowledgeable DBA or system administrator
that you trust. **Always** test your changes on staging environments, and
always keep in mind that improvements in one area can **negatively affect**
MySQL in other areas.
È **estremamente importante** che tu capisca appieno ogni singola modifica apportata alla configurazione del server MySQL.
Qualora non capissi appieno qualche parte dell'output dello script o se non capissi quanto raccomandato **dovresti consultare** un DBA esperto o un amministratore di sistema di cui hai fiducia.
Testa **sempre** le modifiche su ambienti ad hoc e tieni sempre presente che miglioramenti in un settore potrebbero **influenzare negativamente** MySQL in altri settori.
**Seriously - please review the FAQ section below.**
**Seriamente - consulta la sezione FAQ che segue.**
What MySQLTuner is checking exactly ?
--