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Geplaatst: 21 May 2018

ADF Performance Tuning: Manage Your Fetched Data

In this blog I want to stress how important it is to manage the data that you fetch and load into your ADF application. I blogged on this subject earlier. It is still underestimated in my opinion. Recently I was involved in troubleshooting the performance in two different ADF projects. They had one thing in common: their servers became frequently unavailable, and they fetched far too many rows from the database. This will likely lead to memory over-consumption, ‘stop the world’ garbage collections that can run far too long, a much slower application, or in the worst case even servers that run into an OutOfMemoryError and become unavailable.

Developing a plan to manage and monitor fetched data during the whole lifetime of your ADF application is an absolute must. Keeping your sessions small is indispensable to your performance success. This blog shows a few examples of what can happen if you do not do that.

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Geplaatst: 23 April 2018

ADF Performance Monitor – Major New Version 7.0

We are very happy to announce that a major new version 7.0 of the ADF Performance Monitor will be available from May 2018. There are many improvements and major new features. This blog describes one of the new features; on usage statistics and performance metrics of end-user click actions.

A click action is the start trigger event of an HTTP request by the browser, by an action that a user takes within the UI. These are most often physical clicks of end-users on UI elements such as buttons, links, icons, charts, and tabs. But it can also be scrolling and selection events on tables, rendering of charts, polling events, auto-submits of input fields and much more. With monitoring by click action you get insight in the click actions that have the worst performance, that cause most errors, that are used most frequently, e.g. You can see in which layer (database, webservice, application server, network, browser) the total execution time has been spent. You can SLA monitor the business functions that are behind the click actions – from the perspective of the end-user. (Lees meer..)


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