Even unpredictable weather is being forecasted. But after all these technological advancements, are we able to forecast our application performance & availability? Are we able forecast even for the next 20 minutes? Will you be able to say that in the next 20 minutes application is going to experience OutOfMemoryError, CPU spikes, crashes? Most likely not. It’s because we focus only on macro-metrics:Continue reading “MICROMETRICS TO FORECAST APPLICATION PERFORMANCE”
Time taken by every single GC event is reported in the GC log. In every GC event, there are ‘user’, ‘sys’, and ‘real’ time. Continue reading “REAL TIME IS GREATER THAN USER AND SYS TIME”
On a major B2B application different GC algorithms behaviors were studied. This application is basically a web service provider servicing SOAP and REST requests from its clients.