About "mean response time"

[Erico Augusto Cavalcanti Guedes]

Dears,

on PG docs about Run-time stats:
(1)      (2)(3)     (4)    (5)      (6)    (7)    (8) (9)
000.09| i-dflt     23   4.52    196   0.00   0   1
000.17| i-dflt     48   5.00    199   0.00   0   1
000.25| i-dflt     73   5.00    199   0.00   0   1
000.34| i-dflt     98   5.00    198   0.00   0   1
000.42| i-dflt   125   5.40    185   0.00   0   1

Here is a brief explanation for each column of the run-time stats output.
1. Minutes since start
2. "i-" and "p-" stand for interval and phase-based stats
3. current phase name
4. number of replies received so far (across all phases)
5. reply rate (replies per second)
6. mean response time in milliseconds
7. hit ratio in percents (client side);
8. nothing interesting on the server side yet
9. number of transaction errors during that interval or phase (note: not
all errors are transaction errors)
10. number of open sockets, including UDP and other housekeeping sockets if
any;
11. this number is usually close to the number of pending transactions;
(interval stats only!)

The question:

Is number 6 (mean response time) the mean time of all responses or is it
related with number 7 (hit ratio in percents) and it is the mean response
time of requests that were on cache?

Am I been clear?

Thanks in advance.

Erico.
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