rrd file extension

First, Introduction 1) cacti is a PHP language implementation of a software, its main function is to use the SNMP service to obtain data, and then use RRDtool to store and update data, when the user needs to view the data with the RRDtool to

The ganglia project was initiated by the University of California and has become a widely used cluster monitoring software. Monitors and displays various status information of nodes in the cluster, such as CPU, mem, hard disk utilization, I/O load,

　　1 grid Pyramid DefinitionPyramids can be used to improve performance. They are a reduced-sample version of the original raster dataset and can contain multiple downsampling layers. Each successive layer of the pyramid is downsampling at a scale of

Using the tmpfs File System to quickly optimize ganglia disk I/O performance by 20151203 Recently encountered a problem, Problem: ganglia monitors host system slow response and normal command line operations are stuck, especially when opening and

Article title: use Mrtg to monitor network traffic (for Linux ). Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open

  Analysis of three major file formats of ArcGIS Shape DataThe shapefile is ArcView GIS 3. the native data format of X is a simple element class. It uses the shape of point, line, and polygon to store elements, but cannot store topological

Java server-Side monitoring scenarios (I. Summary of the article) Instead of octopress, write articles more simple than before, blog access up a lot faster, with this to the past a period of time to summarize the technical accumulation. As a start,

Rotten mud: nagios Learning (4): pnp4nagios graphical drawing of nagios data, pnp4nagiosnagios This document consistsXiuyi Lin FengProviding friendship sponsorship, first launchedThe world After nagios is installed, we also add some monitoring

CentOS Linux Monitor the installation C Acti1 ,Cacti Monitoring IntroductionCacti is a graphical analysis tool for network traffic monitoring based on PHP,MySQL,SNMP and RRDTool development. Cacti is a PHP language implementation of a software,

Ubuntu server and desktop are equipped with the PHP lamp environment, the steps are no different, the relevant tutorials online is also a lot, here to put their own configuration process recorded, save every time Google ... For referenceThe entire