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Introduction - GSOF16


Hi Team,

I'm Chandra Sekhar Maddila from India and currently masters student of

I'm pretty interested in working with MariaDB team as part of GSOF. Some of
the items that I'm interested in are MXS-1, MDEV-8100, MDEV-5662, MDEV-371

Here's a quick summary of my work experience and Skill set.

   - Currently a student of BITS-Pilani <http://www.bits-pilani.ac.in/>
   (Masters, Computer Science).
   - Total experience of 6 years in IT industry, as a software developer
   (My last stint was in *Microsoft Research *[MSR] - India as a research
   - Have been working with designing and development of RDBMS systems :
   With Oracle earlier and SQL Server after joining Microsoft
   - Involved in various projects like :* Implementing column store indexes
   in SQL Server, Designing a cloud based monitoring systems for database
   performance monitoring, tools to migrate data from Oracle to SQL Server,
   Implementing HA Solution (AlwaysOn) for SQL Server etc...*

   -  Languages/Frameworks:

   -    Asp.Net, C#, Jquery, Javascript, HTML5, CSS, Bootstrap, Knockout,
   SOAP, REST, JSON, Web Services

   -    WCF, MVVM, XAML, Windows App Development, Azure Cloud services,
   Azure web services

   -    Java, J2EE, UNIX Shell scripting

I worked extensively on both *UNIX and Windows platforms*.

*Database domain expertise:*


+  In depth understanding of Oracle database internals and architecture
(Memory management, storage engine and optimizer)

+  *Performance tuning*: Instance and SQL level tuning with the help of *AWR,
Statspack, TKPROF* reports and Explain plans and tools like *OEM* and *TOAD*

+  Oracle *11g, 10g, 9i* Database Setup, Administration, Monitoring on
various flavors of UNIX: RHEL, AIX, SUN Solaris, HPUX – Itanium chipset;
Good understanding of Oracle internals and Oracle system architecture

+  Oracle *RAC, ASM and Grid infrastructure* setup, maintenance and
administration; Non RAC to RAC, Non-ASM to ASM conversions; Familiarity
with OS level clustering techniques like *HACMP*

+  All kinds of Database *Backup and Recovery* methodologies: *RMAN *(Hot,
Cold, Active Database Duplication)*, Datapump, SQL Loader* etc…; Familiarity
with 3rd party backup tools like *CA ArcServe*

*SQL Server*

+  Working experience with SQL 2014, 2012, 2008R2, 2008 and 2005 on
different versions of Windows

+  Very good at *troubleshooting complex issues and working on

+  Very good in *database performance and query tuning*: Analyzing *execution
plans* and rewriting queries

   +  Administering SQL Server High Availability and Disaster Recovery
technologies like *AlwaysOn, Failover Clustering *and *Database mirroring*.

+  Proficiency and expertise in all varieties of *SQL Server
Replication*: *Snapshot
Replication, Transactional replication, Merge replication and Change

+  Expertise in handling all sorts of *backup technologies: Native, VSS,
VDI, Backup to URL etc…*

+  Expert in handling *database corruption cases and recovering* the

+  Expertise in T-SQL writing stored procedures, triggers and functions.

For any queries, feel free to reach out to me @ chandu.maddila@xxxxxxxxx


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