proxy_cache_use_stale, updating question

[Tomasz Pajor]

>> Hello,
>>
>> If I understand the code correctly, when I don't have the cache file, 
>> request is going directly
>> to upstream, so when I have 100 request at the time when I don't have 
>> the cache file yet, all
>> those requests will go to upstream servers, am I correct?
>>     
> Yes.
Wouldn't it be better to send only one request, and tell other to wait 
for the page when updating is set?