One of the key values of Java is the Just-In-Time (JIT) compiler . This converts the hottest Java methods from interpreted code into native code at runtime. The performance difference is massive: typically, 10-20 times faster (i.e. a magnitude). The JIT is enabled by default, and, in general,...
For a video presentation of this topic, see the replay of the Customer Advisory Board session . Gauges: Small Airplanes, Large Airplanes and Space Shuttles Fifteen years ago, most administrators had very limited monitoring of their WebSphere Application Server (WAS) environments. Many only...
As the App Platform SWAT team, our focus is on WebSphere Application Server traditional and Liberty; however, even we've been surprised by how often we need to get into network tuning. General symptoms such as timeout errors and performance problems may be with the application, application...
There are many ways to diagnose issues in containers running on the OpenShift Container Platform . Some of the main approaches are: Review application logs in the OpenShift web console under Pod Details ) Logs or gather logs from the command line with kubectl / oc logs Run...
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WebSphere Application Server traditional periodically adds new diagnostic tools with new fixpacks. This posts covers the enableJDBCTiming tool added in WAS 9.0.0.4 and 8.5.5.12 to help administrators discover the cause of slow database transactions. In WAS traditional, there are many ways...
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This is the first post in a new blog series by the IBM App Platform SWAT team. Our team engages worldwide in critical situations for IBM WebSphere Application Server (WAS) (traditional and Liberty) with deep expertise in WAS, Java, operating systems, networking and other technologies to drive...