Shell script to capture JVM thread dumps and system resource usage using top command in unix system. Handy tool for performance troubleshooting.
https://github.com/cqsupport/jstackSeries.sh… read the rest.
Tag: Performance
Performance troubleshooting case study – Slow batch job in AEM
Problem statement
Slow batch job taking >60 mins in JVM based WCMS (AEM) system. Requirement was to bring it down to 15 mins.
Context
Adobe Experience Manager (AEM) used as eCommerce PIM (Product Information Management). Huge volume of SKUs maintained … read the rest.
Notes on Java HotSpot JVM
Summary of my brush-up on popular JVM implementation – HotSpot from Oracle.
HotSpot comes in 2 flavours. Both the flavours use the same code but uses different compilers altering the optimization schemes such as method inlining and heap policies. Flavour … read the rest.
Factors influencing caching decision
- How often the data changes
- How expensive to re-create data.
- How frequent the data is used.
Tips for authoring fast-loading HTML pages – Web developer guides | MDN
These tips are based upon common knowledge and experimentation.
Tips for authoring fast-loading HTML pages – Web developer guides | MDN… read the rest.