RRDtool (Round Robin Database Tool) is time-series data storage and graphing utility created by the author of MRTG. Using RRDtool, you can write your own MRTG-like tools in a matter minutes with only a few lines of Perl or shell code. License: GNU General Public License v2 Changes: Read-ahead patches backported from the 1.3 branch for massively improved performance. Portability was improved for Solaris and AIX targets. Many minor bugs were fixed.

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