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Linux.com: RRDtool - An efficient way to store and display data

Jan 13, 2001, 13:34 (0 Talkback[s])
(Other stories by Alexander Reelsen)

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"You have become the network administrator of the company where you work . You sit relaxed in your chair, when the boss enters the room. He begins to cry that he doesn't understand the thousand-word e-mails he receives daily concerning IP traffic statistics. He would rather see wonderful graphical statistics, which exactly reveal the same as your mail, but in a more appropriate way (for your boss)."

"Now you have either the choice of writing everything from scratch yourself or you choose an already existing tool. A very good choice would be RRDtool (RRD stands for round robin database). Many of you do know MRTG, the multi router traffic grapher, a tool, which reads the amount of traffic that occurred on an interface of a router, writes this data into a file and creates an image of it,showing the data flow in this interface for a certain timespan."

"RRDtool, also written by Tobias Oetiker as MRTG was, is basically a new implementation of the logging and graphing features of MRTG. RRDtool itself is not capable of collecting any data. RRDtool can save data in time-series. That means you define a RRD database and feed it afterwards with time-value pairs."

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