Re: [squid-users] histograms

hi!
what i want to read from the histogram is, say if i sent 100 http
req. then how much time did squid need to service each req. (a graph of
that). is there such a thing for icp requests too.

thanks
pranav

On Sun, 6 May 2001, Henrik Nordstrom wrote:

> Histogram statistics are done by collecting the samples into a set of
> bins, one for each of the sampled range (for example service time). The
> bins are usually distributed logaritmically over the covered measurement
> range.
>
> The mathematics shown are:
>
> bin_index/left_border hit_count (hit_count/bin_size)
>
> The rightmost value is a normalised value showing hits per area covered
> by the bin. Makes more sense further down in the histogram where the
> bins are much larger.
>
> How to actually read anything useful from these histograms is another
> business, and depends very much what you are looking for. But it is
> probably a good idea to start looking at the left_border (the value
> after the /) and normalized hit_count (the rightmost value).
>
> --
> Henrik Nordstrom
> Squid Hacker
>
> Pranav Desai wrote:
> >
> > hi!
> > can anyone explains how to read this histogram-
> >
> > client_http.all_svc_time histogram:
> > 0/0.000000 87 1568.494232
> > 13/1.017352 13 116.178383
> > 20/1.943709 6 36.746840
> > . . .
> > . . .
> > . . .
> >
> > -pranav
>
Received on Sun May 06 2001 - 11:05:35 MDT