Gordan B. Profile

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5,0

(7 comentarios)

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$60 USD / hora

camberley,

united kingdom

$60 USD / hora

Aquí son las 9:19 a. m.

Se unió el febrero 5, 2017

1 Recomendación

Gordan B.

@gordanbobic

5,0

(7 comentarios)

3,2

100%

$60 USD / hora

camberley,

united kingdom

$60 USD / hora

100 %

Trabajos finalizados

77 %

Dentro del presupuesto

100 %

A tiempo

N/A

Tasa de recontratación

MySQL / MariaDB and PostgreSQL DBA

Seasoned MySQL, PostgreSQL and Linux specialist with over 20 years of database and systems administration experience. Two MySQL certifications from Oracle. Pluralsight MySQL IQ of 271 (98th percentile) Deployed and maintained database infrastructure with hundreds of server clusters, hundreds of terabytes of data and hundreds of thousands of transactions per second per database cluster.

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Mostrando 1 - 5 de 7 reseñas

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5,0

€50,00 EUR

Optimization of MariaDB my.ini file

Great expert in solving task for MariaDB optimization, perfect communication, fast responce.

System Admin

MySQL

Database Administration

MariaDB

Davor N.

@davornik

•

hace 6 meses

5,0

$27,00 USD

solve mysql error in vps ubuntu server

Thanks, A lot you are professional, hope that we work together again

Solid S.

@solidsolutionseg

•

hace 4 años

5,0

€56,00 EUR

Fine tune new dedicated server

Gordan is a great professional. He clearly knows his stuff. He finds the issues quickly and fixes them. He is also very good and patient to communicate with. It helps that he is in the same time zone.

Adrianus W.

@adrianuscm

•

hace 4 años

5,0

₹5.000,00 INR

Tweak mysql for wordpress site

Thanks for your work

Closed User

@simonkrish

•

hace 4 años

5,0

$30,00 USD

mysql databse performance tuning

Really excellent freelance in mysql.

Linux

MySQL

Database Administration

Application Performance Monitoring

Hussain E.

@TheCloud

•

hace 4 años

Experiencia

Pure 360

abr 2014 - abr 2019 (5 años)

Extensive optimisation of a large MySQL database estate running on RedHat/CentOS Linux. Assessed all aspects of database performance and wrote Perl programs to help with that process. Alleviated concurrency contention bottlenecks in InnoDB, rewrote queries to improve efficiency, analysed and optimised indexes, and improved MySQL and OS level configuration. Achieved overall performance improvement of approximately factor 12x (1200%) without any major changes required to the PHP application stack.

Shutterstock

mar 2018 - feb 2019 (11 meses, 1 día)

Migrated and updated a large database estate (dozens of replica sets, hundreds of servers, hundreds of TBs of data) from bare metal servers in multiple data centers to AWS and self hosted KVM, using ZFS snapshot sending, XtraBackup and mysqldump, depending on what was available and most appropriate for each server. Implemented Percona Monitoring and Management (PMM) for the entire server estate.

UK Cloud

jun 2016 - feb 2018 (1 año, 8 meses)

Stabilised and optimised the database estate consisting of Galera/MariaDB, MySQL and MongoDB server clusters on an on-premise VMware ESXi cloud. Improved run times of a number of regularly recurring tasks from many hours down to a few minutes. Deployed new high-availability PostgreSQL and MariaDB clusters using DevOps methods to improve consistency and reliability of deployments.