RRDtool

• 導入
• インストール/設定
  • 要件
  • インストール手順
  • 実行時設定
  • リソース型
• 定義済み定数
• 例
  • Procedural PECL/rrd example
  • OOP PECL/rrd example
• RRD 関数
  • rrd_create ? Creates rrd database file
  • rrd_error ? Gets latest error message.
  • rrd_fetch ? Fetch the data for graph as array.
  • rrd_first ? Gets the timestamp of the first sample from rrd file.
  • rrd_graph ? Creates image from a data.
  • rrd_info ? Gets information about rrd file
  • rrd_last ? Gets unix timestamp of the last sample.
  • rrd_lastupdate ? Gets 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_xport ? Exports the information about RRD database.
• 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 query into image
  • RRDGraph::saveVerbose ? Saves the RRD database query into image 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