Sachin Agarwal
Principal Advanced Support Engineer at Oracle
Noida, Uttar Pradesh, India
Summary
👤
Senior🎓
Top SchoolSachin Agarwal is a Principal Advanced Support Engineer with eight years of hands-on experience managing and optimizing enterprise databases, currently based in Noida. He combines deep Oracle and Exadata administration expertise with strong Unix/Windows operations and SQL proficiency, having led DBA teams and infrastructure projects across HCL, EbixCash, Mphasis and now Oracle. Sachin contributes to the MariaDB server codebase, fixing InnoDB storage-engine bugs and improving transaction, buffer pool and DDL behaviors—an uncommon crossover that signals comfort with both vendor-grade support and open-source internals. He is certified and BTech-trained in Information Technology, known for turning complex production issues into robust, debuggable solutions and clearer error diagnostics. Colleagues rely on him for crisis resolution, pragmatic automation, and improvements that reduce crashes and streamline database lifecycle operations.
8 years of coding experience
8 years of employment as a software developer
Bachelor of Technology (BTech), Information Technology, Bachelor of Technology (BTech), Information Technology at Arya Institute of Engineering & Technology,Jaipur
Italian, English, Hindi
Github Skills (21)
innodb10
storage-engine10
sql10
rdbms10
full-text-search10
relational-databases10
mysql9
mariadb9
debug9
c-language9
debugging9
cprogramming-language9
datastructures-algorithms8
data-structures8
database8
Programming languages (1)
Github contributions (3)
MariaDB/server
Dec 2017 - May 2021
MariaDB server is a community developed fork of MySQL server. Started by core members of the original MySQL team, MariaDB actively works with outside developers to deliver the most featureful, stable, and sanely licensed open SQL server in the industry.
Role in this project:
Back-end Developer / Database Engineer
Back-end Developer / Database EngineerContributions:9 commits in 3 years 6 months
Contributions summary:Sachin primarily focused on bug fixes and improvements related to the MariaDB server's storage engine, particularly InnoDB. Their work involved addressing issues related to full-text indexes, foreign key constraints, and buffer pool management, which resulted in crash and assertion fixes. The commits demonstrate expertise in database internals, including transaction management, data dictionary operations, and asynchronous I/O handling. Contributions also included enhancing error messages for more informative debugging and improving table renaming operations in the InnoDB storage engine.
licensedsql-servermysqlsqlmariadb-server
facebook/mysql-5.6
Nov 2017 - Sep 2021
Facebook's branch of the Oracle MySQL database. This includes MyRocks.
Contributions:193 commits in 3 years 10 months
oracledatabasemysqlfacebook
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