Archives: Environment

Linux vmstat command

April 4, 2019 | By kiranbadi1991 | Comments Off on Linux vmstat command | Filed in: Database, Development, Environment, Memory, Performance Engineering, Process, Web Server.

I have been spending  bit of my time on EC2 Amazon linux. So thought of just making a note of some of the commands I frequently use. It helps me to look directly at my site for information on this command rather than googling and spending time for the information in the internet for this • Read More »

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Application Performance and Scalability

September 18, 2018 | By kiranbadi1991 | Comments Off on Application Performance and Scalability | Filed in: Development, Environment, Performance Engineering.

Application performance is measured by service time (response time), latency, throughput, efficiency. Depending on application needs, we describe performance as “how fast “can a given task or work can be completed by the program with the available computing resources. Scalability means ability of the application to increase throughput or computing power of the program when • Read More »

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Implementing Caching Solution

April 28, 2015 | By kiranbadi1991 | Comments Off on Implementing Caching Solution | Filed in: Development, Environment, Performance Engineering.

I have been in quite a few engagements where projects used in process caching and distributed caching using various open source and commercial products.Some projects used memcache,ehcache and some used oracle coherence.I have seen project’s implement in different ways.Caching can be implemented declaratively or programmatically and some of the common questions to ask while implementing • Read More »

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