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Isuru Perera
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Benchmarking Java Locks with Counters
These days I am analyzing some Java Flight Recordings from taken from WSO2 API Manager performance tests and I found out that main processing threads were in "BLOCKED" state in some situations. The threads were mainly blocked due to "synchronized" methods i...

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Specifying a custom Event Settings file for Java Flight Recorder
When you are using Java Flight Recorder (JFR), the JFR will use an event settings file to check which event types to record. By default in JFR, there are two settings, "default" and "profile". The default setting is recommended for Continuous Recordings as ...

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Running Java in a Script
Recently I wanted to invoke a JMX operation in a WSO2 server from a script. I was first thinking of writing a simple Java class with a main method and run it as an executable jar file. Then I found that we can run a script with the command " jrunscript ". I...

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Google Map Traffic update live in Sri Lanka - https://goo.gl/QuJhjO

Traffic colors
Google Maps will show current traffic conditions on highways and roads where data is available.

The colors indicate the speed of traffic on the road compared to free-flowing conditions. For highways, green means there is a normal speed of traffic. The more red the roads become, the slower the speed of traffic on the road.
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