[TYPO3-english] Clearing cash makes server go down

[Tomas Havner]

Stephan Großberndt skrev den 2015-02-07 16:27:
> Is this a TYPO3 6.2 installation? It will get better with 6.2.10. You
> can try 6.2.10-rc1 or manually apply
>
> https://review.typo3.org/#/c/33254/
>
> to your installation. Feedback is welcome :)
>
> Am 06.02.2015 um 10:39 schrieb Tomas Havner:
>> Hi,
>>
>> We have a rather large and complex installation of Typo3. Some 30000
>> pages. Whenever we clear all cache or change a template the
>> response-time goes up to several minutes. The log-file is flooded with
>> User xxx has cleared the cache. I assume that the problem is related to
>> rebuilding the cache, but response-times of 5 minutes is really not
>> acceptable under any circumstanses.
>>
>> Any thoughts, hints or suggestions are appreciated.
>>
>> Tomas
>

No, its 4.7.20. When I installed the Debug Mysql DB it showed that 
rendering a page meant over 4000 sql queries! Is this really normal?

/Tomas