rrd_tune

(PECL rrd >= 0.9.0)

rrd_tune — Tunes some RRD database file header options

function 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.

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

Returns true on success or false on failure.