SK

Sumanth Krishnamurthi

available

Last update: 06.09.2022

Performance Test Engineer, Performance Consultant

Graduation: Bachelor of Engineering
Hourly-/Daily rates: show
Languages: English (Full Professional)

Attachments

SumanthK_PerformanceEngineer.doc

Skills

AWS cloud, OS, JVM, Middleware, Databases, Hardware, Networks, performance testing tools, LoadRunner, JMeter, VSTS, Apica, Citrix ICA, webservices, JDBC, Ajax Trueclient, configuration, Splunk, ELK, +Grafana, Dynatrace Ruxit, Dynatrace Appmon, OpenNMS, Nagios, network, Android Studio, iOS Xcode, AT&T profiler, Java, Oracle, J2EE, Test Performance, Load Runner, HP Performance Centre 11.0, SoapUI, AWS Cloud, Openstack, Redhat Linux 6.2, Ubuntu 14.04, Windows Server 2008 sp2, HTTP, HTML, Soap/Rest, Ajax (Click and Script), Java (Record/Replay), Winsock, RDP, SAP, Waterfall, Agile/Scrum, Ruxit, Dynatrace APM, NewRelic, HP SiteScope, Eclipse ADT, Android SDK, code Profilers Jprofiler, JRockit Flight Recordings 8.0, Yourkit, Oracle Studio Profiler 8.0(SPA), Dynatrace, JvisualVM, DotTrace, IIS Debug diagnostics, Database, Analyzers, AWR, ADDM, ASH Reports, Oracle Enterprise Monitoring (DB Express Edition 12.0.2.1), SQL Developer, TOAD SQL optimizer, C++ code Profiling tools, Valgrind, Intel Vtune, Oracle Sun Studio Profilers, Monitoring tools, Wireshack, Fiddler, Monitoring, Vmstat, SAR, Top, Iostat, Netstat, Perfmon, IBM, Profilers, Eclipse Memory Analyzer, MAT, GDP, C++, IBM Heap Dump Analyser, Thread logic, IBM Thread Dump Analyzer, samurai, C, PowerShell, shell scripting, HP Quality Centre 9.1, Jira, Confluence, Jenkins, AWS RDS, Oracle10gR2/11g/12c, SQL Server 2008, Application Server, Oracle WebLogic 11g/12c, IBM Web sphere V 7.0, apache tomcat, IIS 7.0, Operating System, Windows Server, Sitecore, Celum, Solr, AWS API, AWS Lambda, AWS, RDS, Gigya, Ooyala, Akamai, Asp .Net, Angular, JS, Android & iOS Load testing tool, cloud platform, caching, data compression, throttling, HTTP2, web standards, regression testing, Redhat, Linux 6.2, Oracle Webcenter 11g, Elasticpath, CRM, JMeter Test Scripts, OEM, WebLogic, Fatwire application servers, DB, Debugging, Jprofiler, Webcenter, OpenJPA, Spring, Elastic, Oracle Linux V 6.0, Solaris, HTML Load testing tool, scalability, OBIEE, Publisher, SaaS, code profiling, Emdeon, AIX, Windows, IBM WebSphere, Oracle 10g, JavaScript, JSP, XML, Load testing, LoadRunner Test Scripts, test scripts, server-side, Windows/Linux System, Windows Server SP2, Oracle DB, Vugen Test Scripts, Redhat Linux 6.1, Tomcat, MySQL, Windows XP, IBM Mainframe Z/OS, IBM Mainframe, DB2, XML Load testing tool, MTP, RAID

Project history

10/2014 - 02/2016
Performance Engineer
DiGi

Technology:

Operating System - Redhat Linux 6.2
Technology - Oracle Webcenter 11g, Elasticpath and Oracle CRM.
Languages - JAVA, Rest services, HTML, Android & iOS
Load testing tool - JMeter

Responsibilities

* Understanding the potential performance bottlenecks on existing complex architecture and
design the performance test strategy to address the bottlenecks.
* Direct Interaction with the clients on collecting the complete performance requirements with
different workload patterns, response time and throughput SLA.
* Creating Performance Test plan/strategy and necessary documentation for facilitating the test
cycles.
* Creating JMeter Test Scripts and performed baseline test on critical business scenarios on
production environment to quantify the concurrent user support.
* Investigating the JVM Thread dumps, Heap dumps, Memory and CPU Profiles, AWR, OEM Monitoring
and identifying the performance root cause.
* Performance tuning on WebLogic and Fatwire application servers.
* Profiling the application code and identifying the CPU and memory intensive hotspots.
* Analyzing the DB Performance using AWR/ADDM/ASH Report interpretation for different problem
context.
* Debugging the Java code to identity the performance root cause using Jprofiler CPU code
profiling.
* In-depth analysis on Hardware design and Application architecture like Oracle Webcenter,
OpenJPA, Spring, Elastic path.
* Collaborate with multiple teams to address the performance issue and resolve it quickly.
* Worked closely with customer to provide the updates on regular basis.
* Performance test execution and monitoring on the identified critical Usecases.
* Analyze the performance test results and identify the potential bottlenecks during testing.
* Prepare performance test reports and detailed walkthrough session with clients.

05/2013 - 09/2014
Manager
Oracle India Pvt.Ltd

Technology:

Operating System - Oracle Linux V 6.0, Solaris
Technology - Oracle Business Intelligence, Fusion Middleware, WebLogic
Languages - C++, JAVA, Rest services, HTML
Load testing tool - LoadRunner

Responsibilities

* Identify problem areas in the product architecture and propose solutions.
* Design performance and scalability test suites based on product requirements.
* Performed comprehensive ways of performance engineering in various OBIEE releases
* Independent contribution in end to end performance practice and optimizing the Business
Intelligence and Enterprise Reporting tool.
* Played a prominent role in enhancing the Business Intelligence Publisher product on
Non-functional front
* Significant contributor in analyzing the Customer SaaS issues and providing the resolutions.
* Profiling the application code and identifying the CPU and memory intensive hotspots.
* Analyzing the DB Performance using AWR/ADDM/ASH Report interpretation for different problem
context.
* Debugging the Java code to identity the performance root cause using Jprofiler CPU code
profiling.
* Facilitated in providing brief presentation on performance code profiling tools like
Jprofiler, Vtune, Valgrind and MAT to the wider group of audience.

06/2013 - 09/2014
Performance Engineer (Java/J2EE)
Oracle Corporation


10/2010 - 05/2013
Programmer Analyst
Cognizant Technology Solution


10/2012 - 05/2013
Performance Test Analyst
Emdeon

Technology:

Operating System - AIX, Windows
Technology - IBM WebSphere, Oracle 10g
Languages - JAVA, JavaScript, HTML, JSP, XML
Load testing tool - LoadRunner

Responsibilities

* Requirement gathering - Application, Environment and test details and setting up the
environment for testing.
* Creating Performance Test plan and necessary documentation for facilitating future test cycles
* Creating LoadRunner Test Scripts and enhancing the test scripts.
* Configuring the Work load model in Controller
* Analyzed the various graphs for the client side and server-side metrics like Transaction
response time, Hits per second graph, Throughput, Memory and CPU Utilization
* Create metrics for Monitoring and Controlling the performance for all system and server
components
* Actively Involved in "Generating and Analyzing the AWR Reports in Oracle"
* Effective contribution in Identification and Locating the performance Bottlenecks and giving
recommendations/suggestions for the same to the concern stake holders.
* Benchmark the performance of the identified critical scenarios by meeting up the SLAs
* Monitoring of Resource Utilization for Windows/Linux System and Database monitoring.
* Reviewing test artifacts and deliverables

03/2012 - 09/2012
Performance Test Analyst
AstraZeneca

Technology:

Operating System - Redhat Linux 6.2, Windows Server SP2
Technology - WebLogic, Oracle DB
Languages - JAVA, JavaScript, HTML, JSP, XML
Load testing tool - LoadRunner

Responsibilities

* Direct Interaction with the clients collecting the complete performance requirements involves
Response time and Throughputs SLA
* Creating Vugen Test Scripts and involved in all aspects of enhancing the scripts
* Designing the "Work Load" based upon the business transaction per hour
* Performed Test execution and monitoring to identify the potential bottlenecks during testing.
* Evaluating the server metrics involves adding performance counters like memory, disk
utilization and processor
* Analyzing the ADDM and AWR Reports in Oracle and identifying the potential DB side bottlenecks
* Benchmark the performance of the identified critical scenarios by meeting up the SLAs
* Monitoring of Resource Utilization for Windows/Linux System and Database monitoring.
* Reviewing test artifacts and deliverables.

06/2011 - 02/2012
Performance Test Analyst
Travelport

Technology:

Operating System - Redhat Linux 6.1
Technology - Tomcat, MySQL
Languages - JAVA, JavaScript, HTML, JSP, XML
Load testing tool - LoadRunner

Responsibilities

* Worked closely with client on collecting the complete performance requirements involves
Response time and Throughputs SLA
* Creating Vugen Test Scripts and involved in all aspects of enhancing the scripts
* Designing the "Work Load" based upon the business transaction per hour
* Performed Test execution and monitoring to identify the potential bottlenecks during testing.
* Evaluating the server metrics involves adding performance counters like memory, disk
utilization and processor
* Analyzing the ADDM and AWR Reports in Oracle and identifying the potential DB side bottlenecks
* Benchmark the performance of the identified critical scenarios by meeting up the SLAs
* Monitoring of Resource Utilization for Windows/Linux System and Database monitoring.
* Prepared the performance test report and walkthrough the results to customer for signoff.

10/2010 - 05/2011
QA Analyst / Performance Test Analyst
Lloyds Banking Group


Local Availability

Only available in these countries: India
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