read rrd file

About 50 pieces of graphs monitored by cacti on the mysql server have been obtained and shown. Some problems have been encountered and the impressive records are as follows:(1 ):Add io monitoring   Click Create Graphs for this Host to Create an IO

Introduction: Cacti monitoring MySQL server about 50 graphs have been out, also out of the map, which encountered some problems, the impression of a more profound record as follows:(i): Add IO MonitoringClick Create Graphs for the This Host to enter

Cacti we also used for a long time, but its table structure has not been to care about, hollow smoked half the night time, the library table structure is probably looked under, some of the meaning of the field to share with you:Cacti data are stored

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

Nginx+tomcat is the current mainstream Java Web architecture, how to let nginx+tomcat work at the same time, can also say how to use Nginx to reverse proxy tomcat back-end equalization? The direct installation configuration is as follows: 1. JAVA

I. IntroductionRRDtool refers to the Round Robin Database tool, that is, the ring Database. In terms of functionality, RRDtool can be used for data storage + data display. The well-known network traffic plotting software MRTG and Cluster Monitoring

---------------original content, reproduced please indicate the source. ------------I. OverviewRRDtool (Round-robin Database tool), which is the polling-based data base (note: Not equivalent to the polling scheduling algorithm in the computer), uses

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

Ganglia: distributed monitoring system 1. Environment installation and configuration1.1 dependent Software Download Ganglia is a cluster monitoring software developed by Berkeley. Monitors and displays various status information of nodes in the