Reads/writes for /cache

`Daily' Graph (5 Minute Average)
Daily Graph
Max  reads:  421 per-min Average  reads:  8 per-min Current  reads:  0 per-min
Max  writes:  170 per-min Average  writes:  33 per-min Current  writes:  29 per-min
`Weekly' Graph (30 Minute Average)
Weekly Graph
Max  reads:  1505 per-min Average  reads:  16 per-min Current  reads:  8 per-min
Max  writes:  171 per-min Average  writes:  33 per-min Current  writes:  33 per-min
`Monthly' Graph (2 Hour Average)
Monthly Graph
Max  reads:  407 per-min Average  reads:  13 per-min Current  reads:  24 per-min
Max  writes:  68 per-min Average  writes:  31 per-min Current  writes:  38 per-min
`Yearly' Graph (1 Day Average)
Yearly Graph
Max  reads:  192 per-min Average  reads:  12 per-min Current  reads:  8 per-min
Max  writes:  104 per-min Average  writes:  28 per-min Current  writes:  33 per-min
GREEN ### # reads/min
BLUE ### # writes/min
DARK GREEN ### max reads per 5min-avg
MAGENTA ### max writes per 5min-avg
version 2.9.17 Tobias Oetiker <oetiker@ee.ethz.ch>
and Dave Rand <dlr@bungi.com>
mrtg-rrd.cgi version 0.7 Jan "Yenya" Kasprzak <kas@fi.muni.cz>