Diego Hellas

Diego Hellas Email and Phone Number

CEO @ PDB Monitor
State of Santa Catarina, Brazil
Diego Hellas's Location
Florianópolis, Santa Catarina, Brazil, Brazil
Diego Hellas's Contact Details
About Diego Hellas

Expert database administrator MySQL (MySQL Server, MySQL Clsuter, MySL Cluster Galera, Percona e MariaDB), I hold good knowledge on databases MongoDB, Hadoop, CouchDB, PostgreSQL, SQL Server and Oracle. Working with MySQL database since 2008, I have written educational materials, gave lectures, worked on projects of all sizes.I have over 10 years of experience in PHP development, planning and WEB architecture (Linux, Nginx, Mencached, PHP, HHVM) to meet large projects with thousands of users simultaneously.Jobs: DATABASE - Wonderful city: Social Game with MAU of 6 million and DAU with 1 million. Cluster Membase with 23 servers with 1TB of data, in addition, the database servers MySQL with nearly 400 GB of data, 80 thousand queries per second. - ClikTrue Advertising Network, 20 million of users, over 1 BILLION banner impressions per month. Cluster MySQL with 4 physical servers with 200 GB of data and 110 thousand queries per second.PHP - Inphonex: Database system for VOIP company with approximately 4 million users. - PerformanceDB: A cliente with a MySQL Cluster with 8 nodes, 500GB of data, high availability and redundancy.I have dedicated myself to different projects since 2002, such as site development, portals, web systems, games and advertising platforms. But currently I use PHP to develop a lot of support for my DBA work tools.BIG DATA During a year I have been responsible for a tool of BIG DATA, where we used the Pentaho as a customer and the MariaDB and MySQL as database and Data Warehouse. AGILE METHODOLOGIES - Scrun and XP VERSIOONING, DEPLOYMENT and CONTINUOUS INTEGRATION- GIT, SVN and TFS - Jenkins e Bamboo

Diego Hellas's Current Company Details
PDB Monitor

Pdb Monitor

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CEO
State of Santa Catarina, Brazil
Website:
pdbmonitor.com
Employees:
2
Diego Hellas Work Experience Details
  • Pdb Monitor
    Ceo
    Pdb Monitor
    State Of Santa Catarina, Brazil
  • Pdb Monitor
    Database And Software Engineering Leader
    Pdb Monitor Mar 2020 - Present
    Florianópolis, Santa Catarina
    Responsible for the entire development process of PDB Monitor.PDB Monitor is a database monitoring tool and therefore involves work in several different areas, such as:  - Planning what will be monitored, how to collect the information, processing and display it on screen.  - Agent architecture and development  - Architecture of APIs that receive data from the agent and provide data for the frontend  - End-to-end infrastructure architecture  - Database planning, high availability strategies, redundancy, backup management and data modeling of PDB Monitor
  • Performancedb
    Ceo
    Performancedb Jan 2019 - Present
    Montreal, Canada Area
  • Performancedb
    Princpal Dba
    Performancedb Jan 2014 - Present
    Florianópolis Area, Brazil
    PerformanceDB is a company specialized on MySQL offering qualified solutions for support and corporate IT infrastructure. It provides personal support not only in Florianopolis and the region, but also throughout Brazil helping companies to organize and integrate their IT systems with databaseMySQL. With a Vanguard team of highly competent people, it is a company committed to service with excellence so our customers can focus on their results.Services Offered by the PERFORMANCEDB: Management of servers;Consulting;Configuration and tuning;Backup and Restore;Replication;Service for emergency situations;Remote assistance or in person;Training;Technical support with SLA 24x7;Annual Contract Management and Support for small, medium and large companies. Supported Technologies by PerformanceDB: MySQL/MySQL Replication/MySQl Cluster/MySQL Cluster Galera MariaDB/MariaDB Cluster/MariaDB Multi Source Replication;MongoDB;Pentaho.
  • Hariken
    Cto
    Hariken May 2017 - Apr 2018
    Florianópolis Area, Brazil
    Responsible for the development team, IT budget, definitions on technology and strategic definitions.
  • Inphonex
    Senior Dba
    Inphonex Oct 2015 - Jun 2017
    Florianópolis Area, Brazil
    · Maintain and administer MySQL and CouchDB instances; define/recommend/implement proactive changes based on monitoring data· Configure monitoring and alerts for MySQL and CouchDB instances; develop related reports· Identify query tuning issues, analyze and recommend solutions· Architect and implement database backup/recovery, high availability, fault tolerance, multi-data center synchronization· Develop database capacity requirements· Work with developers and other staff to develop and reactor high-performance database designs and instance configurations· Document database design and instance configuration· Script and support automated data movement, data refresh, performance/issue reporting, etc.· Evaluate database/data store products on capabilities and suitability for use· Large-scale data movement and validation· Optimize queries and suggest improvements to schema· Write and/or modify SQL scripts including stored procedures, functions and views· Create, maintain and manage BI and Big Data platforms· Handle requests for data
  • Dot Digital Group
    Senior Dba
    Dot Digital Group Jul 2014 - Oct 2015
    Florianópolis
    Responsible for databases MySQL, MariaDB, SQL Server, Oracle, PostgreSQL and MongoDB.Do daily administration and monitoring of database servers, data modeling, documentation, backup and restore routines, tuning, replication, as well as support to the development team and data extraction for non-routine reports.For 1 year I was responsible for the management, maintenance and development of the BI solution using the Pentaho tool.I am a member of a team of 5 people responsible for the architecture, performance and HA software of DOT Group.Activities and Projects: The DOT Group consists of several companies, where the main areas are EAD (Distance Education), advertising and BIG Data. Project 1: There were 5 database MySQL servers scattered, with different configurations and versions. After analyzing and perform a lab set up two servers with the same with a MASTER-MASTER replication. With this change we gain time on maintenance, improvement in monitoring, redundancy and scalability.Project 2: At any given project there was the need to have multiple database servers around where they should work in offline mode (without internet) and when there is internet connection these data should automatically synchronize with a central database and replicate with other servers, initially this would be done via software, but after I be involved in the project, I conducted some research and laboratories and implement MariaDB with Multi-source Replication where all online control / offline is realiado the database itself. With this solution it was not necessary to change any line of code in software. The total size of servers involved in the Multi-source replication is 300.
  • Cliktrue Tecnologia Sa
    Technical Coordinator
    Cliktrue Tecnologia Sa Aug 2013 - May 2014
    Florianópolis Area, Brazil
    Responsible for coordinating the development teams and infrastructure on the maintenance and development platform of Advertising Network. The tool used was OpenX (recentliy renamed to Revive) developed in PHP. The tool serving advertising to 20 million users daily and displayed more than 1 billion advertisements per month. The cluster MySQL achived 110 mil queries per second. I worked directly with Linux servers which I have a lot of knowledge about it.
  • Psafe Tecnologia S/A
    Dba
    Psafe Tecnologia S/A Jul 2012 - Jul 2013
    Florianópolis Area, Brazil
    Administration and database planningMySQL e MySQL Cluster, Backup and restore routines, performance evaluation and tuning, creating function, triggers and stored procedures. Database administration, SQL Server and MongoDB.
  • Quepasa Corporation
    Dba
    Quepasa Corporation Feb 2011 - Jul 2012
    Curitiba
    Responsible for databases MySQL, MySQL Cluster and Membase( today is CouchDB) used in projects of Social Games Quepasa (US Social Network , now known as MeetMe). In my daily activities used to management and monitoring of database servers , data basing , documentation, backup and restore routines , tuning , replication, as well as support the development team PHP. As a sideline I coordinated the infrastructure team, where I performed testing and seek new solutions also be responsible for maintaining the games online under any circumstance All the infrastructure was in AWS , there we used resources such as EC2, RDS, AutoScaling, IOPS Provisionado, Elastic Load Balancing, S3 e CloudFront. I was also responsible for create all the games deploys, which of course it involved a very large logistics.
  • Techfront
    Analyst And Developer
    Techfront Nov 2010 - Jan 2011
    Curitiba Area, Brazil
    I was Member of the PHP development team, which performed maintenance and development of a platform for social games. This platform was able to hold each integration, with social networks Orkkut, Quepasa, MySpace, Bolsa de Mulher through the Open Social and with Facebook and Twitter through the API specific of every social network. As a secondary activity I used to perform the maintenance of the data base MySQL. The Techfront was acquired by Quepasa, on this change I was relocated to be responsible for the databases and infrastructure
  • Elaborata Informática
    Computer Instructor
    Elaborata Informática Feb 2007 - Feb 2008
    Curitiba Area, Brazil
    I was responsible to Teach classes, develop and validate teaching materials for training of PHP, MySQ, AJAXL,Object orientations, WEBStandards and SQL Server.

Diego Hellas Skills

Postgresql Servidor Apache Microsoft Sql Server Pentaho Subversion Linux Shell Script Scrum Php Javascript Jquery Oracle Mysql Desenvolvimento De Sites Apache Shell Scripting Html Sql

Diego Hellas Education Details

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Frequently Asked Questions about Diego Hellas

What company does Diego Hellas work for?

Diego Hellas works for Pdb Monitor

What is Diego Hellas's role at the current company?

Diego Hellas's current role is CEO.

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What is Diego Hellas's direct phone number?

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What schools did Diego Hellas attend?

Diego Hellas attended ..

What are some of Diego Hellas's interests?

Diego Hellas has interest in Social Services, Children, Education, Environment, Poverty Alleviation, Animal Welfare.

What skills is Diego Hellas known for?

Diego Hellas has skills like Postgresql, Servidor Apache, Microsoft Sql Server, Pentaho, Subversion, Linux, Shell Script, Scrum, Php, Javascript, Jquery, Oracle.

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