Re: Web Server Performance

Kee Hinckley (nazgul@utopia.com)
Fri, 3 Nov 1995 14:28:37 -0500


At 8:47 PM 10/30/95, Prasad Wagle wrote:
>We have also developed scripts that will help you analyze your server
>workload. Please let us know if you would like to use them.

I would definitely be interested in them.

The following are based on a one-month sample of a commercial banking site
(http://www.salemfive.com/), during which time the site received about
61000 hits.

>
>Thank you.
>
>-------------------------
>Question 1 - Request Type
>-------------------------
>What is the relative frequency of GET, HEAD, and POST requests?
>
> Relative Frequency (in %)
> -------------------------
>GET [ 97 %] [ 80 %]
>HEAD [ <1 %] for example [ 10 %]
>POST [ 2 %] [ 10 %]
>
>-------------------------
>Question 2 - Request Rate
>-------------------------
>What is the peak request rate you have observed on your server?
>There are approximately 100,000 seconds in a day (24 * 3600 =3D 86400).
>So, average rate in requests/sec ~=3D requests/day / 100000
>And, peak rate ~=3D 10 * (average rate)
>
>req/day Avg req/sec Peak req/sec
>-------------- ----------- ------------
>0 to 100K 0 to 1 0 to 10 [ x ] [ =
]
>100K to 500K 1 to 5 10 to 50 [ ] [ =
]
>500K to 1M 5 to 10 50 to 100 [ ] [ x=
]
>1M to 5M 10 to 50 100 to 500 [ ] for example [ =
]
>5M to 10M 50 to 100 500 to 1000 [ ] [ =
]
>
>--------------------------
>Question 3 - File Set Size
>--------------------------
>What is the file set size i.e. the size of the active files in the
>document hierarchy? By active, we mean files that were accessed at
>least once in the previous month.
>
>If you know the exact answer:
>
>[ ] for example [1.5GB]
>
>Else please indicate the range:
>
>0 to 10MB [ 2.5MB ] [ ]
>10MB to 100MB [ ] [ ]
>100MB to 1GB [ ] [ x ]
>1GB to 10GB [ ] for example [ ]
>10GB to 100GB [ ] [ ]
>100GB to 1TB [ ] [ ]
>
>--------------------------
>Question 4 - Response Size
>--------------------------
>What is the response size distribution? This is recorded in the server
>log file for each request.
>
> Relative Frequency (in %)
> -------------------------
>0 to 1KB [ %] [ 10 %]
>1KB to 10KB [ %] [ 20 %]
>10KB to 100KB [ %] [ 60 %]
>100KB to 1MB [ %] for example [ 5 %]
>1MB to 10MB [ %] [ 5 %]
>10MB to Inf [ %] [ 0 %]

This isn't recorded as we are using an nph- script to handle all requests.
But the largest image is 50K, the largest html file is 10K

Kee Hinckley Utopia Inc. - Cyberspace Architects=81 617.768.5500
nazgul@utopia.com http://www.utopia.com/

I'm not sure which upsets me more: that people are so unwilling to accept
responsibility for their own actions, or that they are so eager to regulate
everyone else's.