rrd graphics

Import data from RRD Database to MYSQL. 1. RRD Database and RRDTOOL indicates Round Robin Database. The design concept is to store data in the round-robin mode. After a period (which can be customized), new data will overwrite the original data. Therefore, RRD databases are suitable for storing dynamic data without long-term storage. Because the old data is perio

After a long time studying Linux SNMP, you may encounter a Linux SNMP problem. Here we will introduce how to solve the Linux SNMP problem RRD database update instance. In Quick Start 1), we have introduced the update command: it uses one or more parameters in the format ::. if you know that you can use N to represent the current time, you will be happy. Alternatively, you can use the time function in Perl to specify the time: perl-e 'print time, "\ n"

You can use monitoring programs such as cacti and nagios to monitor nginx servers, but sometimes it is not that complicated. you can use nginx-rrd to monitor connections and requests. First, compile and install nginx. pay attention to loading the stub_status module. the stub_status module in Nginx is mainly used to view some Nginx status information. this module is not compiled into Nginx by default. if you want to use this module, you must specify ta

You can use monitoring programs such as cacti and nagios to monitor nginx servers, but sometimes it is not that complicated. You can use nginx-rrd to monitor connections and requests. First, compile and install nginx. Pay attention to loading the stub_status module. The stub_status module in Nginx is mainly used to view some Nginx status information.This module is not compiled into Nginx by default. If you want to use this module, you must specify

The rrdextension of php was removed from the earlier version of rrdtool two days ago. so is upgraded to the latest rrd. so, when used, it is found that many function calling methods have changed, mainly because the count ($ opts) configuration is canceled, for example, functions such as rrd_create, rrd_fetch, and rrd_update are originally (s... sy Two days ago, the rrd extension of php was upgraded from rrd

the point on the graph, that is, every 15 second step, draw a point with a value of 20 Well, when it runs RRDtool fetch/var/lib/ganglia/rrds/myapp/__summaryinfo__/mycount.rrd average-r 60 o'clock, which means 60 seconds of data is counted, This is called aggregation. The aggregation degree has only a few fixed values, so the R parameter is not necessarily the aggregation degree, but depends on how many seconds the resulting step is displayed. I can count the data for a certain amount of time by

The code is as follows:Url= "/VAR/WWW/HTML/RRA/150/9517.RRD/VAR/WWW/HTML/RRA/256/11345.RRD/VAR/WWW/HTML/RRA/150/9518.RRD" fff= ' echo $url |awk ' {printnf} ' for ((i=1;iThe results of the operation are as follows:[Email protected]]# sh get_in2.35g 2016-04-103.69g 2016-04-096.84g 2016-04-08[[email protected]]#Get cacti rrd