rails performance monitoring

8649239.2. 11.71 }Modified to:/**/239.2. 11.71 8649239.2. 11.71 }2. Configure gmetad.confVim/etc/ganglia/gmetad.confData_source "My cluster" localhostModified to:Data_source "My Cluster" 192.168.10.128:86493. Restart Service required:/etc/init.d/ganglia-Monitor Restart/etc/init.d/Gmetad restart/etc/init.d/apache2 restartIf you encounter a situation where apache2 cannot be restartedVim/etc/apache2/apache2.confFinally add a sentence ServerName localhost:80 can.4. Now you can access Gnglia webin

I was inspired by a post today and found that you can use the Windows Performance Monitor to monitor basically all of the system resources, the following is the tutorial:Performance Monitor location in Control Panel-Administrative ToolsWhen opened, the default is a CPU-occupied monitoring, below to add hard disk idle time to do the example1: Monitor graph above right-click Add counter2: Then find the Physic

Tags: sum statement oracle nbsp SQL statement monitor best dia user--oracle Common Performance Monitoring SQL statements--1SELECT * from SYS. V_$sqlarea WHERE disk_reads > 100; --2 waiting for the monitoring caseSELECT EVENT,SUM (DECODE (wait_time, 0, 0, 1)) "Prev",SUM (DECODE (wait_time, 0, 1, 0)) "Curr",COUNT (*) "Tot"From v$session_waitGROUP by EVENTORDER by 4

detect which function occupies a large amount of CPU time, thus effectively changing the program. Iii. Exercise 2) implement a simple sieve methodOf Eratosthenes) to calculate all prime numbers less than N. The main data structure of this Program is an N-Bit Array, and the initial values are true. Every time a prime number is found, the multiples of all the prime numbers in the array are set to false. The next prime number is the next real bit in the array. Answer: The following C program impl

Introduction to the previous chapterWebServerApacheThe architecture and principlesApacheInstallation (LinuxAs follows: Http://www.cnblogs.com/fnng/archive/2012/08/30/2662984.html So this section will share someApachePerformance monitoring. Monitor performance through server-status in Linux To monitor Apache performance, we need to modify the confi

1. OverviewMonitoring, is an integral part of checking system problems or optimizing system performance. Monitoring the usage of operating system resources through the operating system monitoring tool, which indirectly reflects the operation of each server program. Based on the analysis of running results, we can quickly locate the system problem range or

Use PHP extension XHProf to monitor function-level performance. Reference Official Description of XHProf: XHProfisafunction-levelhierarchicalprofilerforPHPandhasasimpleHTMLbasednavigationalinterface.Ther... "/use PHP extension XHProf for function-level performance monitoring. Reference the official description of XHProf: XHProf is a function-level hierarchical pr

Sysstat The sysstat package contains utilities to monitor system performance and usage activity. sysstat contains varous utilities, common to collect commercial unixes, and tools you can schedule via cron to collect and historize performance and activity data. Http://sebastien.godard.pagesperso-orange.fr/features.html Download and install from the above site Including iostat (1) mpstat (1) pidstat (1)

Performance monitoring: The introduction of performance monitoring before the need to know the bottom line, then monitor the CPU performance of the bottom line is what? Usually we expect our system to reach the following goals: CPU utilization, if the CPU has 100%

we can not understand some of the text, This requires us to translate it into a file that we can read in Excel format. First we export the Linux_test_120724_0822.nmon file to our Windows Local. And then we're from Http://www.ibm.com/developerworks/wikis/display/Wikiptype/nmonanalyser.Download Nmonanalyser software to Windows Local. After opening the unpacked file, we will find 2 files, one is Nmonanalyse description of Word format is stable and the other is Nmonanalyse file in Excel format.All

If you are looking for a very easy-to-use Linux performance monitoring tool, I strongly recommend installing and using the Nmon command line utility. Nmon Monitoring Tool Nmon is a system administrator tuning and benchmarking tool that displays performance data for the following: Processor Memory Network Disk

Mysql Performance Monitoring related bitsCN.com Mysql Performance Monitoring 1. obtain the total number of processes under the mysql User II. host performance status III. CPU usage IV. disk I/O volume 5. swap inbound/outbound [memory] VI. database

Linux for viewing process commands are also very powerful, commonly used such as: PS TopBut there is less uniformity in disk performance monitoring.Here are some of the disk monitoring commands, here just to play a role, detailed use of parameters please refer to the Man manual.One DFThe DF command can get information about how much space the hard disk is taking up, how much space is left, and it can also s

The Nmon is a system administrator-oriented tuning and benchmarking tool that can be used to display performance data about the following: Processor Memory Internet Disk File system Network File System (NFS) The process that consumes the most resources Resources Power Micro-Partitioning One of the places I really like about this tool is that it's completely interactive and can help Linux users or system ad

PrefaceIn front of us we talked about the 8 key locations an application should monitor.. Well.. The address is as follows:8 Key performance indicators and measurement methods for applicationsFinally sold a small xiaoguanzi about how to monitor the ASP.Today we will talk about how to monitor it, below:Read about the technologies and content you need to know in this article:InfluxDb (Distributed time Series database, open source) (Note: The distributed

practical propaganda and continuous nonsense. Everyone adapts to this situation. Therefore, how do you differentiate various products without worrying about whether these products can meet your needs? Regardless of how the vendor promotes how it is different, there is a feasible way to divide most solutions into two main categories. These classes may include some interesting variants, but most methods are suitable for them (with some exceptions, I will discuss it later ). Two main technical met

Netdata is a highly optimized Linux daemon that provides real-time performance monitoring for Linux systems, applications, SNMP services, and more. Now version can monitor Nginx log docker,vm, more and more powerful.It is visualized by means of which the most subtle details of the monitored person are revealed. In this way, you can clearly understand the state of your system and your application at this tim

About 5 things you don't know about Java performance Monitoring-part 2nd: Java process monitoring with JDK built-in analyzer Fully functional built-in analyzers, such as Jconsole and VISUALVM, are sometimes more expensive than their performance costs-especially in systems running on production software. So, in the 2nd

item.bin)The screen displays "Server is ready." Prompt, the user types http://localhost:7000/in the browser to see the results of the analysis, as shown in:　　　　Jstack:java Stack Trace Tool　　　　the Jstack (Stack Trace for Java) command is used to generate a thread snapshot of the current moment of the virtual machine (commonly referred to as a threaddump or Javacore file). A thread snapshot is a collection of method stacks that each thread in the current virtual machine is executing, and the prim

]# php ss_get_by_ssh.php--type mongodb--host 10.254.3.62--port2 30000--items JC,JDJc:4 jd:5497683968 5, generate the monitor diagram In the interface, select "Device", select the MongoDB server Connection "3.x2_mongodb", then select "Create Graphs for this Host" in the upper right corner, select the MongoDB service item in the dropdown box after "Graph Types", You will see the MONGODB monitoring service in the list, then tick the "Create" button in th