I. PrefaceAPM End-User Experience monitoring analysis (above) from the APM end-user product features, usage recommendations, and from the real user experience and simulation performance monito
service will receive the statistical data analysis to save to the Baidu Cloud free database, and then daily with Mysql processing next day data can be, There should be no problem with sampling performance data for normal sites. Please call me Lei Feng.Day 6 How to use monitoring data to solve problems?
Find the bottleneck, the remedy
For the chart production, more famous have highcharts, Baidu developed Echarts is also very good. No mat
:
extensions.yslow.beaconUrl = http://showslow/beacon/yslow/extensions.yslow.beaconInfo = gradeextensions.yslow.optinBeacon = true
Then configure"Autorun YSlow each time a web page is loaded":
After refreshing the page, capture the packet and you will see that the performance monitoring data is reported to the HTTP request:
If you see the response"HTTP/1.1 204 Data acceptedThe data is successfully stored.
Note:
For data standards reported by YSlo
It took a long time to get to the last iteration, and there were a lot of things going on in the middle, and the iteration was conceived in every spare time and the next iteration was going to do something. The time period is slightly long, hope forgive me.first, solve the problem of the last iteration to perfect and fix :1. The last iteration of the Ajax timeout setting, the hand shake timeout is accidentally set to timeoutevent, this issue has been fixed2. Resolve the configuration of the glob
1. Create a folder named monitor in the webapps folder.
2 monitor to create a WEB-INF and SRC
3 New web. xml and classes in the WEB-INF
4. Web. XML content
5. The servlet accepted by write processing is shown below. As follows:
Import Java. io. ioexception;
If it is a request sent by curl, the value of the CPU usage is obtained and written to the cpu.txt file. If the user accesses this servlet through a browser, http: // localhost: 8080/monitor/
Reprint Address: http://www.uis.cc/content-9-137-1.html
Introduction
Before the W3ctech into the name of the enterprise-Baidu front-end FEX special session had "bombast" said after listening to the lecture after seven days can build their front-end performance monitoring system, since said out also can not promise. Previous article The beauty of the front-
First, what is the front-end point?On the Web site, the same as usual refers to the site of the front desk, which is the web use of users can see the tools.Second, because what to do front-end monitoring?Front-end resource loading is the biggest impact on the function, the load of resources, the number of concurrent, t
also very good. No matter what tool is used, the most important thing is to enable the reportHighlight key points, intuitive and clear.
Before creating a report, I would like to ask a few questions about how to intuitively see the current situation and possible problems, where to strengthen, where to remove, and whether to use the report.
With the real world that reflects user perception, subdivided into various business functions, and detailed Netw
Preface:
If you happen to be a front-end developer and you happen to be maintaining a site with high availability requirements, you and I may have a common annoyance: how can I detect a front-end exception in the first place? After all, the front-end does not allow users to visit the webpage streaking festival every day. The javascript errors on the front
=================== Code Show ================Monitoring System Address: Demo Addresspage probe code: GitHub address Analyze the backend address: GitHub address Display platform Address: GitHub address =================== Code Show ================ For front-end applications, the occurrence of JS errors directly affects the quality of the front-end ap
error occurred 1000 times in the last 10 minutes, the average error in the past is 50 times/10 minutes
? Network error log work draftThe Web performance Working group published a working draft of the network error log. This document defines a mechanism that allows a Web site to declare a network error reporting policy, which a user agent such as a browser can use to report network errors that affect the proper loading of resources. The document
]; [Max]Each ' label ', the value combination is separated by a space, there is no additional uom,warn,crit,min,max in our system to define the performance data, the specific meaning can be referred to: https://nagios-plugins.org/doc/ Guidelines.html#plugoutputOur system in the service is passive, the node is active ping, next talk about how our system monitors the cpu,memory,io,network usage of the monitored nodes, CPU data collection as the main interpretation object: cpu look first. See
monitoring data and set conditional policies for a variety of complex client conditions. Here are some of the monitoring information for the client machine.650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M00/5B/34/wKiom1UBXaKD1yBWAAhmetKGVVo507.jpg "title=" Picture 1_ See figure king jpg "style=" float:none; "alt=" wkiom1ubxakd1ybwaahmetkgvvo507.jpg "/>650) this.width=650; "src=" Http://s3.51cto.com
/reportImage (). ' error=+ error;}Collect abnormal information too much, how to doIf your website visit is very large, if the webpage of PV 1kw, then a certain error to send the information has 1kw, we can set a collection rate for the site: reporter. Send = function (data) {//only collect 30% if (math. Random () 0.3) {send (data) //report error message}}
Two. Interface Request length /** * Intercept interface request, escalate interface information*/ //Unified inter
Problems encountered when installing the paramon Cluster Monitoring Software on the Ubuntu front-end and the solution software package composer
Problems with installing the paramon Cluster Monitoring Software on the Ubuntu front-end and Their Solutions
Software Pack http://www.paratera.com/paramon/FrontColumns_navigati
Paramon Cluster Monitoring front-end Installation Problems and usage
Problems with installing the paramon Cluster Monitoring Software on the Ubuntu front-end and Their Solutions
Software Pack http://www.paratera.com/paramon/FrontColumns_navigation01-1399971723306FirstColumnId=3.html
After downloading and decompressing
The CPU. Sh script on the monitored end collects the CPU usage of the Local Machine, sends an HTTP request to the monitoring end recvinfo servlet, and submits data.
Content:
#! /Bin/sh
# Endless loop. Note the space after while
While:
Do
# Interval: one second
Sleep 1
CPU = $ (SAR-u 1 1 | awk 'nr = 4 {print $8 }')
# Use curl to send data to the specified Servlet
the terminal all related processes executes, the CPU is consumed when The room will be displayed here NBSP;PCPU: Time consumed by CPU execution what: users under Action load average: Display the system separately The average load level in the last 1, 5, 15 minutes. from: shows the user from where to log on to the system, ": 0" of the display on behalf of the user when x Windows, open Text mode wind
the browser? There are some HTML forms on it that ask us "Do you want to uninstall such a good app for your hair?" "Where have we offended you?" "After uninstalling, do you still pretend not to?" ", hehe, open a joke, the actual effect such as:Well, the picture above is feeling like it has been shown? So how does such a small function be implemented? Let's start with the Java layer and analyze it with all of our Android basics:1, listen to the system's uninstall broadcast, but this can only lis
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