RRD 関数
 
目次
- 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.