[TYPO3-core] RFC: #10791: Performance improvement: Skip cHash check if page is already non-cached

[Michael Stucki]

Hi Oliver,

Oliver Hader schrieb:
> I could not count any +1 on testing... just on reading...

Ooops, how true. I was probably confused by those many +1s although none 
of these guys tested it.

Do you accept if we keep it in Trunk and you trust me that I'm using 
this successfully on a customers website since many months...(?)

Otherwise, I'll revert it and we reopen the issue.

Greetings, Michael

> Michael Stucki schrieb:
>> * Committed to Trunk (rev. 5619)
>>
>> - michael
>>
>> Michael Stucki schrieb:
>>> This is a SVN patch request.
>>>
>>> Type: Bugfix / performance improvement
>>>
>>> Problem:
>>> TYPO3 compares the cHash parameter against the computed checksum of all
>>> GET parameters. In case the checksum does not match,
>>> $TSFE->set_no_cache() is triggered.
>>>
>>> Actually this is not needed if $TSFE->no_cache is already set.
>>>
>>> Solution:
>>> Return if $TSFE->no_cache is already set.
>>>
>>> Branches: Trunk only
>>>
>>> Bugtracker reference: http://bugs.typo3.org/view.php?id=10791


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