Performance anxiety:

By Denise Dubie, NetworkWorld.com, 12/20/05

Network managers want to monitor application performance but fear data overload.

That is, at least, according to a recent survey of 195 IT organizations that said they configure their performance management software in such a way to avoid being bombarded by alerts. The survey, conducted by Netuitive, found that 41% of respondents in larger organizations receive as many as 100 to 5,000 alerts daily, of which at least half are false positives. And of those 195 polled, 39% said they either intentionally "set thresholds above optimum levels to avoid excess alerting or turn off their alerting functionality completely." The survey also found that even with diligent thresholding -- meaning they devote more than 50 hours per quarter to setting thresholds -- 43% report that more than half of their alerts are still false positives.
Because different systems alert based on different application performance metrics, it is often difficult for network managers to determine which alerts are alarming on real problems and which are just being set off by arbitrary thresholds.
Netuitive software is said to automate threshold setting and accept events from other management systems such as BMC Performance Manager and filters out the alerts with intelligent analysis to best determine the real from false alarms.

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