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Wily Extends Introscope to Detect Changes


New agent software can determine if application performance is adversely impacted

By David Rubinstein
September 1, 2006 — 
Wily Technology is giving its Introscope performance monitoring agents the ability to detect changes to production applications in real time, claiming to help organizations better diagnose the reasons for application failure.

Introscope ChangeDetector, announced in mid-August, can determine if an application failure is change-related, according to Ju-Kay Kwek, product manager at Wily, a division of Long Island-based computer giant CA. Kwek claimed the tool is the first to tie change data to performance, to help administrators understand if the change is the cause of the problem.

With Introscope, for example, users can be alerted if log-in performance goes above three seconds, Kwek explained. The ChangeDetector extension now lets organizations know that a change to the log-in servlet was made just prior to the performance decrease, he said.

A dashboard helps users organize change monitoring by time and number, by application or for each individual component, or it can give a list of all changes, he said.

The new tool, he explained, looks at changes to binaries, configuration files, database tables and JVM class loading. “Customers care about business apps,” he said. “They don’t care about router changes, unless they negatively impact the applications and business transactions,” Kwek said.

When a failure occurs, ChangeDetector can be used to first verify if any changes that were made were authorized and approved, he said.

Kwek said the speed with which change occurs in Web applications, as businesses try to keep pace with competitors and take advantage of new opportunities, highlighted the need for this kind of tool. “There are system variables in a JVM, where a typo can change 5.2MB to 52MB” and seriously impact performance, he said. “Then you have DBAs nuking indexes, and that can ground an application to a halt.”

Among the things ChangeDetector does not do, Kwek explained, is deal with governance. The tool will spot a change but won’t indicate if the change violates any internal company policy or industry or governmental regulation. Nor can it be used to initiate a change, such as a scheduler in a change management system might be used.

Wily intends to come out with a similar tool for use in mainframes within the next six to 12 months, Kwek said. Wily continues to operate as a stand-alone business unit within CA, which announced its acquisition in January 2006. ChangeDetector, despite being a new tool, carries a 7.0 version number, to align it with the latest release of Introscope.


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