rrdtool fetch

For rrdtool data, write a data every 10 seconds, but the read is different from the written data. The created database is as follows: ./Bin/rrdtool create data/test. rrd -- start 1365756520 -- step 10 DS: myds: GAUGE: 100: 0: u rra: LAST: 0.5: 1:

RRDtoolround robin DatabaseTool is a storage format for the ring database, round robin is a technique for processing quantitative data and pointers to current elements. RRDtool is mainly used to track the change of objects, generate these changes in

This article mainly introduces the basic usage of the rrdtool module in Python and is often used for data visualization functions, if you need it, you can refer to the recently used python to plot based on the collected data and decide to use the

To understand how rrdtool is to be used first from the RRD data storage, RRDtool is to operate the tool of the database, copy the following text to explain.0x01 What is the RRD databaseThe so-called "Round Robin" is actually a way of storing data,

RRDtool (Round Robin Database tool) is a powerful drawing engine, and many tools, such as MRTG, can call RRDtool drawings. Including the use of a lot of cacti is also based on the rrdtool basis of drawing, can say cacti just provide a display

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

How to install smokeping2.6.8 in centos6.3 Smokeping is the best test tool for IDC network quality and stability, including general Ping, dig, echoping, and curl. It can monitor WWW server performance and DNS query performance, monitors SSH

Use yum lnmp to build cacti in CentOSI. Introduction to cacti network management (such as host load and network traffic monitoring) is an important part of the daily work of system management personnel, many vendors provide their own solutions. One

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

For more information about common Linux technologies and applications, see the following. This error is reported by the small sun in the pnp command on the monitoring server. OK: Initalising OK: Using/usr/local/nagios/share/perfdata // OK: