PHP Manual
RRD 函数
Tunes some RRD database file header options

rrd_tune

(PECL rrd >= 0.9.0)

rrd_tune — Tunes some RRD database file header options

说明

rrd_tune ( string $filename , array $options ) : bool

Change some options in the RRD dabase header file. E.g. renames the source for the data etc.

参数

filename: RRD database file name.
options: Options with RRD database file properties which will be changed. See rrd tune man page for details.

返回值

Returns TRUE on success, FALSE otherwise.

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