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RRD
RRD 函数
RRD 函数
目录
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_version
— Gets information about underlying rrdtool library
rrd_xport
— Exports the information about RRD database
rrdc_disconnect
— Close any outstanding connection to rrd caching daemon