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  • MQ Part 1 - Introduction to message oriented middleware and IBM MQ

    MQ Part 1 - Introduction to message oriented middleware and IBM MQ

      Message Oriented Middleware (MOM) MOM is а connectivity software that consists of a set of services that allow multiple applications running on one or more machines to interact across a network. Message queuing applications use asynchronous processing to send and receive messages. They read and operate on the messages independently. In its simplest form a message sent from an application to another application will look like something like this : There are many implementations of this functionality, some are Open Source and some are proprietary. A few examples are IBM MQSeries, Apache ActiveMQ, RabbitM, Kafka, etc. In this article we will go in more detail about IBM MQ since it is the most widely adopted implementation in the Enterprise.

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  • Websphere - generating heap dump using jython

    Websphere - generating heap dump using jython

    JVM Heap spacePossible failures of java code core dump JVM Tuning the application server is recommended as opposed to just sticking with the default values assigned during an application server install. If the heap size is not managed or tuned, you may see the symptoms of poor memory management which can vary from intermittent performance problems to the periodic failure and automatic restarts of the JVM which may not generate a core dump or error.

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