Olivier DASINI

15 The Waterside Apartment

Block A, Charlotte Quay

Dublin 4 Ireland

Mobile: +353 85 202 3118

Email: olivier@dasini.net

Twitter: @freshdaz

Skype: olivier.dasini

Blog: http://dasini.net/blog/

French Nationality; Motorcycle and Cars driving license

Senior MySQL DBA, author, blogger and speaker

13 years experience

Since August 2014: Sr MySQL DBA at Zendesk. (Ireland)

• Troubleshoot performance issues & performance tuning (InnoDB).

• Perform database schema changes .

• Perform and manage migrations of customer data between shards.

• Automate recurring DBA tasks .

• Platform : Ubuntu server.

Feb – July 2014: Sr MySQL DBA at Hostelworld.com. (Ireland)

• Troubleshoot performance issues & performance tuning (server and queries optimizations).

• MySQL technical support.

• Automate recurring DBA tasks (bash scripts).

• Educate our dev teams and our system engineers to MySQL best practices.

• Audit of databases architectures.

• Platform : CentOS Linux.

2011 – (Jan) 2014: Lead MySQL DBA at Viadeo. (France)

Viadeo forms the world's second largest professional social network with 55 million members (March 2014)

• Performance tuning (InnoDB & MyISAM).

• Configure and support MySQL Replication.

• Implementation of backup/restoration strategies.

• Databases migration in UTF-8.

• High Availability with MHA.

• Assist developers with trainings, query tuning and schema design.

• Audit of databases architectures.

• MySQL technical support.

• Percona toolkit user.

• Scripting : BASH, PHP.

• Platform : Linux Debian.

• MySQL writer, blogger and speaker.

• Work with and educate our dev team to make good schema design choices and write

efficient queries .

2010 – 2011: MySQL consultant and trainer (self-employed). (France)

• Database audit and tuning.

• Data Architect.

• MySQL Training (DBA / Dev / Performance Tuning / HA / MySQL Cluster).

2009 – 2011: Lead MySQL DBA at Orange Business Services. (France)

• MySQL tech lead & trainer (DBA, DEV and OPS).

• Database migrations & performance tuning (InnoDB & MyISAM).

• Architecture and support on MySQL replication.

• MySQL technical support (level 3).

• Audit of architectures and applications.

• Platform : Linux Debian.

2003 – 2009: MySQL consultant & trainer, PHP trainer & developer at Alter Way. (France)

• MySQL consultant.

• MySQL certified trainer on official Sun Microsystems / MySQL AB training (acquired by

Oracle).

◦ MySQL: for DBA / for Dev / Performance Tuning / HA / MySQL Cluster.

): PHP & MySQL.

• Lecturer at the EPITA (graduate school of computer science1

• Creation of training courses, e.g. the MySQL support for official Zend Technologies.

• PHP developer & trainer. Talend ETL trainer.

Book author (French language)

• MySQL 5.6 – Administration et optimisation at ENI (2012).

• Audit et optimisation – MySQL 5, Bonnes pratiques pour l’administrateur at

EYROLLES (2010).

• MySQL 5 – Administration et optimisation at ENI (2010).

Contribution

• MariaDB Knowledge Base contributor: https://mariadb.com/kb/

Associative

• Co-founder of the french society: MySQL User Group Francophone (LeMUG.fr).

• Member of Association Française des Utilisateurs de PHP (AFUP).

• Member of April.

Speaker

• MHA : MySQL haute dispo, chez Viadeo (Fr)

◦ http://fr.slideshare.net/freshdaz/ha-mysql-haute-dispo-chez-viadeo-par-olivier-dasini

1 EPITA is the best Computer Science College in France.

• Migration MySQL Latin 1 vers UTF-8

◦ http://fr.slideshare.net/freshdaz/tude-de-cas-migration-mysql-latin-1-vers-utf8

◦ http://fr.slideshare.net/freshdaz/meetup-viadeo-lemugolivierdasinimigrationlatin1utf8en

•

Architectures haute disponibilité avec MySQL (Fr)

◦ http://fr.slideshare.net/freshdaz/architectures-haute-disponibilit-avec-mysql

• Optimisation de MySQL (Fr)

◦ http://fr.slideshare.net/freshdaz/optimisation-de-mysql

• Forum PHP, Solutions Linux/Open Source, …

• Informative video on DBA:

◦ http://www.lesmetiers.net/orientation/p1_194895/administrateur-de-bases-de-donnees

Initial training

• 2004 : Level of database engineer, CNAM2

.

• 2003 : MySQL Certification.

• 2002 : MD in Computer Science, with the special option database, University of Paris VI.

Languages

• French: Native speaker.

• English: Professional working proficiency.

• Creole: Native speaker.

2 CNAM is one of the best engineer college in France.