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Comprehensive Guide to Transaction Performance Monitoring Tools and Their Drawbacks

This guide covers a wide range of transaction performance monitoring tools, including manual page measurement, real user monitoring, internal and external synthetic monitoring, network analysis, in-depth metrics, and load testing solutions. Key tools discussed include Firefox with Firebug, Coradiant Truesight, HP/Mercury LoadRunner, and many others. It also addresses the drawbacks associated with each method, such as contentions among stakeholders, dependency on network setups, load generation issues, and potential unreliability in web analytics based on JavaScript/page beacons.

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Comprehensive Guide to Transaction Performance Monitoring Tools and Their Drawbacks

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  1. Monitor Along the Transaction

  2. Performance Tools • Manual Page Measurement - Firefox+Firebug+Yslow, AOL Pagetest, IBM Page Detailer, Keynote KITE • Real User Monitoring - Coradiant Truesight + Web.I, Tealeaf, Others • Internal Synthetic Monitoring - HP/Mercury SiteScope + BAC, Nagios, Many Others • External Synthetic Monitoring – Keynote, Gomez, WebMetrics • Network Analysis – Wireshark, Clearsight, ACE, NetQoS • In Depth Metrics – Opnet Panorama, Introscope, Quest (DB), many others • Load Testing – HP/Mercury LoadRunner, Jmeter, ab, many others

  3. Monitoring Drawbacks • Manual Page Measurement – Different results lead to contention between stakeholder groups • Real User Monitoring – Very network setup dependent • Internal Synthetic Monitoring – Generates load, can sneak into reporting • External Synthetic Monitoring – Generates load, can sneak into reporting • Network Analysis – Information is buried and only useful in narrow scope • In Depth Metrics – Agents cause problems • Load Testing – Good load testing is an art unto itself • JavaScript/Page Beacons – Our experience with Web analytics based on these indicates up to 10% unreliability

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