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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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