rrd_tune(PECL rrd >= 0.9.0) rrd_tune — Tunes some RRD database file header options. Описание
   bool rrd_tune
    ( string $filename
   , array $options
   ) 
  Change some options in the RRD dabase header file. E.g. renames the source for the data etc. Список параметров
 Возвращаемые значенияReturns TRUE on success, FALSE otherwise.  | 
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