[TYPO3-dev] Testing TYPO3 caching vs. [FE][pageCacheToExternalFiles]

[Ries van Twisk]

Dimitri Tarassenko wrote:

>Bernhard,
>
>On 4/11/06, Bernhard Kraft <kraftb at kraftb.at> wrote:
>
>  
>
>>But then I made stress tests using the "ab" tools supplied with apache and noticed that the
>>fully-file-cached version was even slower than the DB-version .... no clue why.
>>    
>>
>
>Because several apache child processes reading the same files are
>going to work slower than several child processes talking to mysql
>daemon child processes that deliver the data. MySQL in this case works
>as a 2nd level cache over the filesystem, and whatever time you gained
>by getting rid of mysql_connect's is eaten up either by the filesystem
>code or by the TYPO3/PHP code that reads the files.
>  
>
This means that you can speed up this particular situation by using a 
sharedmemory cache?
But it will not reflect real-live performance thought...

Good thinking Dimitri, I think I need to agree with that.

Ries

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>Dimitri Tarassenko
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Ries van Twisk
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