Nov 2020 – Dec 2021 · 1 yr 1 mo

• Part of Seagate's new Object Store Software Offering CORTX Team. Focusing on every aspect of CORTX and CORTX Based solution(Lyve Rack) Performance.

Oct 2018 – Nov 2020 · 2 yrs 1 mo · Bangalore, India

• Worked on vSAN Performance [VMware's Filesystem for Hyper Converged Infrastructure(HCI)] for on-premise infrastructure and VMC [ VMware Managed Cloud on AWS ]. Things I worked on :-
• > vSAN IO data path performance characterization, establishing performance baselines and new feature analysis
• > Analysing product(vSAN) internals at component level
• > Investigating and root causing performance issues and get them fixed working with devlopers
• > Worked shortly on vSAN File Services meta data performance
• > Proficient in using benchmarks like fio, vdbench etc, system(esxi hypervisor) and profiling tools like esxtop, vmkstats, vprobes etc
• > Writing lots of automations and tools using python3 and shell scripting

Sep 2011 – Sep 2018 · 7 yrs · Bangalore, India

• Worked in Performance, Scalability & Reliability(PSR) team for Oracle Could Infrastructure Performance for more than a year
• > For Overall(Storage, VM & hypervisor) IO Performance
• Worked in Oracle/Sun Microsystem's Performance Applications Engineering(PAE) team for 6 years on various performance projects on :-
• > Database Performance Characterization and improvements on Unix Platforms over SPARC CPU architecture
• > Database benchmarking using TPC-C, TPC-H etc
• > Storage Performance Improvements for Database
• > Storage(ZFS-SA) IOPS Scaling
• > DB Performance for DB as a Service
• > Proficient in analysing/investigating systems with various database benchmarking tools(TPC-C, Swingbench), microbenchmarks(vdbench, fio), system observability tools (iostat, vmstat, cpustat etc) and user and kernel space profiling tools (dtrace, perf etc)

Jul 2011 – Aug 2011 · 1 mo · Bangalore, India

• Worked in team responsible for Database Performance on Solaris/SPARC Platform