(PECL rrd >= 0.9.0) Saves the RRD database to a file

(PECL rrd >= 0.9.0) Gets information about last updated data.

(PECL rrd >= 0.9.0) Gets latest error message.

(PECL rrd >= 1.1.2) Close any outstanding connection to rrd caching daemon

(PECL rrd >= 0.9.0) Adds data source definition for RRD database.

(PECL rrd >= 0.9.0) Updates the RRD database.

(PECL rrd >= 0.9.0) Saves the RRD database query into image and returns the verbose information about generated

(PECL rrd >= 1.0.0) Gets information about underlying rrdtool library

(PECL rrd >= 0.9.0) Exports the information about RRD database.

(PECL rrd >= 0.9.0) Adds RRA - archive of data values for each data source.