August 2001
Intermediate to advanced
976 pages
38h 8m
English
Content preview from Programming ColdFusionBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.
Name
GetMetricData — New as of ColdFusion 4.5
Synopsis
GetMetricData(mode)Depending on mode, returns data
representing information about the performance of the ColdFusion
server. The following modes may be used by GetMetricData( ):
-
Perf_Monitor Returns a ColdFusion structure containing Performance Monitor data (Windows NT) or CFSTAT data (on Unix/Linux). For this mode to work on Windows NT systems, the Enable Performance Monitoring option must be checked in the Debugging section of the ColdFusion Administrator.
-
Simple_Load Returns a number representing the load on the server. This number is produced by an internal algorithm based on ColdFusion queue depths.
-
Prev_Req_Time Returns a number representing the previous request time in milliseconds. This metric can calculate server load using the formula:
Load (as a percentage) = Prev_Req_Time / Max_Allowable_Response_Time_In_Milliseconds * 100
-
Avg_Req_Time Returns a number representing the average request time in milliseconds. This metric can calculate load using the formula:
Load (as a percentage) = Avg_Req_Time / Max_Allowable_Response_Time_In_Milliseconds * 100
The following example demonstrates the four modes available to the
GetMetricData( ) function:
<CFSET PerformanceMonitoring = GetMetricData("Perf_monitor")> <CFSET Load = GetMetricData("Simple_Load")> <CFSET PreviousRequestTime = GetMetricData("Prev_Req_Time")> <CFSET AverageRequestTime = GetMetricData("Avg_Req_Time")> <CFOUTPUT> Load: #Load#<BR> Previous Request Time: #PreviousRequestTime#<BR> ...Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Read now
Unlock full access
More than 5,000 organizations count on O’Reilly
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.