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Apun Hiran

Principal DBA @ Yahoo!

Data Architect at Dropbox

San Francisco Bay Area

Ranked #1,293 out of 25,860 for Principal DBA in United States

Apun Hiran's Work Experience

Yahoo!

Principal DBA

March 2010 to Present

United States

Apun Hiran's Education

Sikkim Manipal University of Health, Medical and Technological Sciences

M.Sc (IT)

Indira Gandhi National Open University

B.Com

Apun Hiran's Professional Skills Radar Chart

Based on our findings, Apun Hiran is ...

Confident
Troubleshooter
Thoughtful

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Based on our findings, Apun Hiran is ...

56% Left Brained
44% Right Brained

Apun Hiran's Estimated Salary Range

About Apun Hiran's Current Company

Yahoo!

• My primary focus is in architecting large scale data-warehousing database systems. • Designing, installing and maintaining Oracle RAC databases, setting up database replication (homogenous & heterogeneous) and configure database HA (dataguard, RAC, multi-master replication). • Work closely with development team to decide partitioning schema, parallel processing and code review. • Monitoring database for performance issues, perform...

Frequently Asked Questions about Apun Hiran

What company does Apun Hiran work for?

Apun Hiran works for Yahoo!


What is Apun Hiran's role at Yahoo!?

Apun Hiran is Principal DBA


What is Apun Hiran's personal email address?

Apun Hiran's personal email addresses are a****[email protected], a****[email protected], and a****[email protected]


What is Apun Hiran's business email address?

Apun Hiran's business email addresses are not available


What is Apun Hiran's Phone Number?

Apun Hiran's phone (**) *** *** 594


What industry does Apun Hiran work in?

Apun Hiran works in the Information Technology and Services industry.


Who are Apun Hiran's colleagues?

Apun Hiran's colleagues are Utsav Shah, Will Kiefer, Harshini Shah, Alex Bertsch, Jingsi Zhu, Nicholas Palattao, Jessica Kenney, Caitlin O'Dowd, Ashley Amon, and Kyle Shay


About Apun Hiran

📖 Summary

Extensive experience with architecting large scale data-warehousing systems with Oracle. Over 13 yrs of experience in production support managing Oracle (8, 8i, 9i, 10g, 11g), MS SQL Server and MySQL. In-depth knowledge and experience managing Oracle RAC (10g, 11g), database replication (homogenous & heterogeneous), HA (RAC, Dataguard, Mutli-master replication), parallel processing, database partitioning (table & data sharding), and database performance tuning (SQL tuning and database tuning). Sound understanding of Hadoop and methods of loading/unloading data between HDFS and RDBMS systems. Architected, installed, setup and maintain 100+ terabyte Oracle OLAP databases. These system are critical to Yahoo's advertising business and directly affect millions of dollars in revenue. Thorough understanding in designing storage systems (NAS & SAN) for high performance databases. I am very inquisitive about new technologies and have undertaken multiple POCs, eg. MongoDB, Hive, Hbase, voltDB, RAID performance for MySql etc.Principal DBA @ • My primary focus is in architecting large scale data-warehousing database systems. • Designing, installing and maintaining Oracle RAC databases, setting up database replication (homogenous & heterogeneous) and configure database HA (dataguard, RAC, multi-master replication). • Work closely with development team to decide partitioning schema, parallel processing and code review. • Monitoring database for performance issues, perform database tuning and SQL tuning to improve database performance. • Developed and setup custom perl scripts for heterogeneous replication from MySQL to Oracle. • Undertaken projects for data migration from MySQL to oracle. • Work closely with the Hadoop team, to process raw data in HDFS and then load data in oracle via external tables. Automated the entire-process to dump and load data between Oracle and Hadoop. • Providing production support for Oracle, MySQL & MS SQL Server databases. This includes database patching, space management, performance management and addressing any database issues like corruption, bugs etc. From March 2010 to Present (5 years 8 months) United States Apun Hiran is skilled in: Oracle DBA, Unix Shell Scripting, Microsoft SQL Server, PL/SQL, Performance Tuning, Database Administration, Oracle RAC, Database Design, ITIL, Team Management, Data Warehousing, Perl, Replication, High Availability, VLDB, Linux, MongoDB, Hive, Hadoop, Oracle, Disaster Recovery, Databases, RMAN, Servers, Shell Scripting, Storage, Oracle Database...


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In a nutshell

Apun Hiran's Personality Type

Introversion (I), Intuition (N), Thinking (T), Judging (J)

Average Tenure

5 year(s), 8 month(s)

Apun Hiran's Willingness to Change Jobs

Unlikely

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