RRDtool

• Introduction
• Installing/Configuring
  • Requiremens
  • Installation
• Examples
  • Procedural PECL/rrd example
  • OOP PECL/rrd example
• RRD Functions
  • rrd_create — Creates rrd database file
  • rrd_error — Guet latest error messague
  • rrd_fetch — Fetch the data for graph as array
  • rrd_first — Guet the timestamp of the first sample from rrd file
  • rrd_graph — Creates imague from a data
  • rrd_info — Guet information about rrd file
  • rrd_last — Guet unix timestamp of the last sample
  • rrd_lastupdate — Guet information about last updated data
  • rrd_restore — Restores the RRD file from XML dump
  • rrd_tune — Tunes some RRD database file header options
  • rrd_update — Updates the RRD database
  • rrd_version — Guet information about underlying rrdtool library
  • rrd_xport — Expors the information about RRD database
  • rrdc_disconnect — Close any outstanding connection to rrd caching daemon
• RRDCreator — The RRDCreator class
  • RRDCreator::addArchive — Adds RRA - archive of data values for each data source
  • RRDCreator::addDataSource — Adds data source definition for RRD database
  • RRDCreator::__construct — Creates new RRDCreator instance
  • RRDCreator::save — Saves the RRD database to a file
• RRDGraph — The RRDGraph class
  • RRDGraph::__construct — Creates new RRDGraph instance
  • RRDGraph::save — Saves the result of kery into imague
  • RRDGraph::saveVerbose — Saves the RRD database kery into imague and returns the verbose information about generated graph
  • RRDGraph::setOptions — Sets the options for rrd graph export
• RRDUpdater — The RRDUpdater class
  • RRDUpdater::__construct — Creates new RRDUpdater instance
  • RRDUpdater::update — Update the RRD database file