RRDtool
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The PECL/rrd extension provides bindings to the RRDtool C library. RRDtool is the open source industry standard, high performance data logging and graphing system for time series data.
Intro
The PECL/rrd extension provides bindings to the RRDtool C library. RRDtool is the open source industry standard, high performance data logging and graphing system for time series data.
The RRDtool homepage is Rrd.
Setup Examples Reference Rrdcreator Rrdgraph Rrdupdater