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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CSS style debugging trick with Dev tools

January 24, 2019 | By kiranbadi1991 | Comments Off on CSS style debugging trick with Dev tools | Filed in: Browser, Development.

One of the very old  trick for debugging CSS styles for an element is apply selector(*) which applies to all elements of the page and then give it an outline property with some solid borders. We do something like below in chrome dev tools Once you apply this property to the page, it looks something • Read More »

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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