flow of all interfaces, simply adds the in flow of all the interfaces and the out flow adds)-W automatically enlarges column widths with the specified column width rather than the length of the interface name-W Wrap text automatically if the content is wider than the width of the terminal window-S maintains status updates (does not scroll without wrapping) on the same line note: This is handy if you don't like screen scrolling, similar to the way Bmon is displayed-B Displays the bandwidth inste
jvmstat_home:jvmstat installation directory JVMSTAT_JAVA_HOME:JDK directory, same as Java_home value
After configuring the two environment variables, you can run Jvmstat, run the command: Shell code VISUALGC PID #windows the system into the bat directory to run the command #linux the system into the bin directory after running the command
After the run interface automatically opens and displays the appropriate content, as shown in the figure:
From the jvmstat can be clearly observed in the
Memcache also has a graphical interface monitoring tool (memcachephp), which can be used to view all deployments of LAN Memcache machine or Port memcache operation, to our monitoring memcache cache hit rate, Cache utilization, CTR and other information has a good help. The introduction of graphical interface tools can help our performance test engineers to get ou
[Tool Development] keepalived uses the nagios monitoring script, keepalivednagios
Recently, keepalived and keepalived are used in the development and office environments. Based on the LVS supported by the Linux kernel, keepalived achieves high availability and load balancing, which is very practical.
Keepalived can be used to monitor service status in multiple ways, such as HTTP_GET | SSL_GET | TCP_CHECK |
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
manage which users can access the Ntopng through the settings menu on the right-hand side of the top (the one on the gear icon).Ntopng offers a wide range of timelines, from 5 minutes to 1 years. You just need to click on the timeline you want to display. The chart itself can be clicked, and you can click it to zoom in.Of course, Ntopng can do more than the above picture shows. You can also integrate location and e-map services. On Ntopng's own website, there are paid modules available for use,
Tags: multiple mysql monitoring query cache domestic color buffer alert customer1., Spotlight on MySQLClient tools, with a beautiful UI interface, can monitor MySQL io, qcache, connections, buffer pool, etc., as well as the function of early warning2, Lepus[use more] An open source of domestic monitoring platform, can monitor the MySQL slow query, Qcache, connection number, buffer pool and so on, can monit
What is Iftop?The iftop is a real-time traffic monitoring tool similar to top.Official website: http://www.ex-parrot.com/~pdw/iftop/Second, what is the use of iftop?Iftop can be used to monitor the real-time traffic of the network card (can specify the network segment), reverse resolution of IP, display port information, etc., detailed will be described in the following usage parameters.Third, installation
In Unix-like systems, you can use top to view information such as system resources, processes, memory consumption, and so on. View network status You can use Netstat, nmap and other tools. To see real-time network traffic, monitor TCP/IP connectivity, and so on, you can use Iftop.What is Iftop?The iftop is a real-time traffic monitoring tool similar to top.Official website: http://www.ex-parrot.com/~pdw/ift
In Unix-like systems, you can use top to view information such as system resources, processes, memory consumption, and so on. View network status You can use Netstat, nmap and other tools. To see real-time network traffic, monitor TCP/IP connectivity, and so on, you can use Iftop.What is Iftop?The iftop is a real-time traffic monitoring tool similar to top.Official website: http://www.ex-parrot.com/~pdw/ift
Http://www.vpser.net/manage/iftop.htmlIn Unix-like systems, you can use top to view information such as system resources, processes, memory consumption, and so on. View network status You can use Netstat, nmap and other tools. To see real-time network traffic, monitor TCP/IP connectivity, and so on, you can use Iftop.What is Iftop?The iftop is a real-time traffic monitoring tool similar to top.Official webs
vport:8083
Equalization algorithm: PI RR
Health Check: TCP
instance IP and port:IP 8083 for Localhost-01IP 8083 for Localhost-02
Other ports are set according to this setting, after the load balancing setup, it is necessary to mention Grafana configuration, if you want to achieve high availability of visual display, then the Grafana configuration data source must adopt the domain name + port way:The data security setting is complete.4 , Grafana interface configurationComple
With the previous 4 notes, you have already learned about the basic concept and configuration of Redis, and this note highlights how to monitor the operation of Redis using the official Redis Sentinel tool. In addition, some considerations for sentinel use are discussed. 1. Redis Sentinel features Redis Sentinel is a set of distributed systems for managing Redis instances, with 3 main tasks to complete: 1)
related charts for analysis and use.
2. Download, install and use nmon
Nmon:
Official Website: DownloadLinuxCorresponding nmon
Other download: http://down.51cto.com/data/849411
A. Installation: After downloading the file, upload it to a directory in Linux, run the tar-xvf file.tar command, and decompress the package.
B. Modify the CHMOD nmon_linux_x86 permission,
C. Run./nmon_linux_x86-F-r test-S 10-C 15. A test file is generated at this time, which is used to write the
Memcache monitoring Tool--MemStatAfter installing the Memcache client Library libmemcached Introduction and deployment, go to the command line tools directory/usr/local/libmemcached/bin/below.In the command line tool, MemStat can view the memcached server at the command line, such as: Get/set command statistics, get hit ratio, read and write bytes, number of thre
For developers, the biggest thing is that you have nothing in the local area, a bunch of online error logs.Especially the level of database communication. SQL Server is used to monitor communication logs, parameter commands, and other information on the corresponding server.MySQL still has to knock a bunch of orders to .....Well, there is a good tracking tool to do more with less.NEOR Profile SQLThe communication command parameter information used to
DK comes with VM analysis tools JPS, jstat, jmap, jconsole
I. Overview
Several tools in Sun's JDK are very useful. Adhering to the principle of free and commercial use. The following is a brief introduction to these tools. (Note: all the tools in this article are included in the jdk5.0 or a later version of the tool set. Like javac, you do not need to install them specially ).I have found the following four tools: Focus on jconsole and jmap.
1. JPs
: [live,]format=b,file=
-finalizerinfo : Displays an object in F-queue that waits for the finalizer thread to execute a finalize method. Valid only on Linux/solaris platform
-heap : Displays the Java heap details, such as which collector to use, parameter configuration, generational status, and so on. Valid only on Linux/solaris platform
-histo : Displays the object statistics in the heap, including the class, number of instances, and total capacity
-permstat : Displays the permanent
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.