[TYPO3-dev] performace of cachingframework

[Peter Russ]

--- Original Nachricht ---
Absender:   Bjoern Pedersen
Datum:       18.02.2011 09:05:
> Am 17.02.2011 22:50, schrieb Christian Kuhn:
>> Hey,
>>
>> On 02/17/2011 05:11 PM, Bjoern Pedersen wrote:
>>
>>> SELECT identifier FROM cachingframework_cache_hash WHERE crdate +
>>> lifetime<  1297803600 AND lifetime>  0;
>> ...
>>
>> Those queries are only fired by the garbage collection task, they are no
>> usual production queries from frontend?
>>
>> Regards
>> Christian
> Yes, that is correct. For normal cache retrieval the indentifier serves
> as key.
> 
> I will see wether I can create a patch.

NO this it NOT correct. The caching framework will check on every 
request ->has($key) if the cached content is "alive" :-(
So this patch is even more important on production.

Peter.

-- 
docendo discimus

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