Your Java application has been running fine, but all of a sudden CPU consumption starts to go higher and higher until it stays at 80 - 100%. Even if you remove the server from load balancer (so that traffic isn’t sent... Continue Reading →
Title of this article might sound like an oxymoron. How can persistent HTTP connections be gracefully and at the same time quickly evicted? By Gracefully I mean here the client applications to close the connections by themselves without jeopardizing the... Continue Reading →
I was surprised to witness the Java Executor behavior – which caused “java.lang.OutOfMemoryError: unable to create new native thread” in our application. I would like to share my surprise (i.e. problem) and resolution to it.
Configuring database connection pool is absolutely critical to the performance of the application. Configuring database connection pool is a double-edged sword; too strict configuration would degrade the application’s response time, whereas too lenient configuration would consume a lot of resources... Continue Reading →
Recently I encountered this issue. One of the application connects with Apache Cassandra NoSQL Database. The application uses DataStax java driver to connect with Cassandra. DataStax has a dependency on the netty library. To be specific following are the Jars that application uses:... Continue Reading →
Have you ever encountered circumstance where your applications CPU maxes out and never goes down even if traffoc volume goes down? Did you had to recycle to JVM to remediate the problem? Even if you recycle the JVM, does your CPU start to... Continue Reading →
In this training program, engineers will be equipped with necessary knowledge to optimize CPU, memory and response time.