Download PDF by Ben Forta: Adobe ColdFusion 9 Web Application Construction Kit:
By Ben Forta
Written by means of the easiest identified and so much depended on identify within the ColdFusion group, Ben Forta, The ColdFusion internet program building equipment is the best-selling ColdFusion sequence of all time. quantity three: complex program improvement, specializes in software safeguard, scalability and high-availability, and integration with different platforms and applied sciences. The booklet starts off with sections committed particularly to scalability and safety, after which serious about extending ColdFusion functions utilizing net applied sciences, different languages and systems, and complicated integration suggestions. entire assurance of ColdFusion nine is integrated in "Volume 1, Getting all started" (0-321-66034-X) and "Volume 2, program improvement" (0-321-67919-9).
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Extra resources for Adobe ColdFusion 9 Web Application Construction Kit: Advanced Application Development, Volume 3
JRun Logs for ColdFusion LOG FILE NAME DESCRIPTION XdaY[jh^dc"Zgg#ad\ Contains ColdFusion stack traces XdaY[jh^dc"ZkZci#ad\ Contains ColdFusion event log XdaY[jh^dc"dji#ad\ Logs ColdFusion services events and data from garbage collection Enhanced ColdFusion logging is another tool that can provide extremely detailed and speciﬁc information about a variety of ColdFusion metrics. 3. %* JRun Metrics METRIC MEASUREMENT a^hiZcI] Threads listening for a new connection ^YaZI] Threads waiting for a new request YZaVnI] Threads waiting to run WjhnI] Threads currently running idiVaI] Total worker thread count YZaVnGf Requests delayed due to high concurrency YgdeeZYGf Requests dropped ]VcYaZYGf Requests handled ]VcYaZYBh Milliseconds spent servicing requests not including any delay time (YZaVnBh) YZaVnBh Milliseconds spent in delay state WniZh>c Bytes read from requests WniZhDji Bytes written to responses [gZZBZbdgn Kilobytes of free memory in the heap idiVaBZbdgn Total kilobytes in the heap (in use and free) hZhh^dch Current number of active J2EE sessions hZhh^dch>cBZb Number of J2EE sessions in memory As you can see, this is an extensive list of very detailed information!
Although the default reports generate almost no overhead on the targeted the basic Server Monitor, activated by selecting Start Monitoring, and the proﬁler, activated by selecting Start Proﬁler, 29 30 CHAPTER 47 Monitoring System Performance do generate some overhead on the ColdFusion server. The memory tracker, activated by selecting Start Memory Tracking, will generate serious overhead and can, under certain conditions, cause problems with the targeted server, so make sure not to turn on your various monitors (especially the memory tracker) when you are doing performance testing or on production machines that you are not actively trying to troubleshoot.
For example you could create a simple ColdFusion template called egdWZ#X[b and put the word Alive in it. Then you would set up a probe that would call this page, for example every hour, and have it look for the word Alive. If Alive is not returned it will email you. To set up a content match probe, follow these steps: 1. Create a ﬁle called EgdWZ#X[b that just contains the word Alive. Place that ﬁle your Web root. 2. In ColdFusion Administrator, select Debugging & Logging and choose System Probes in the Debugging and Logging category.
Adobe ColdFusion 9 Web Application Construction Kit: Advanced Application Development, Volume 3 by Ben Forta