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Re: [RRG] Current drafts



On 2008-07-29 02:27, Luigi Iannone wrote:
> Hi Brian,
> 
>>
>>
>>
>> I love the data in 6.2.1.1:
>>
>>
>>
>>     +----------+----------+----------+----------------+--------------+
>>     |  Timeout | Min Size | Max Size | Avg Night Size | Avg Day Size |
>>     +----------+----------+----------+----------------+--------------+
>>     |   3 Min. |    7,530 |   17,804 |          8,056 |       14,093 |
>>     |  30 Min. |   22,588 |   43,529 |         24,161 |       38,405 |
>>     | 300 Min. |   61,939 |  103,283 |         65,600 |       81,060 |
>>     +----------+----------+----------+----------------+--------------+
>>
>>             Table 3: Mapping Cache Size (in number of entries)
>>
>>
>> We really need to understand whether these numbers are typical,
>> stable, and how much they depend on the size of the site.
>>
>> Is there any chance of getting similar data from:
>> - other sites
>> - a year later at the same site
>>
> Yes is possible, we have the Netflow traces.
> 
> 
>> - for a randomly selected 50% of the users at the same site?
>>
> 
> Why this random selection?

I suggest that if you choose 50% of the users at random, you will
find out if the working set would be different for a site
of half the size. It isn't intuitively obvious how the working set
size will scale as a function of the site size.

    Brian

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