[TYPO3-performance] Anyone running TYPO3 with Zend Optimizer+?

[Ernesto Baschny [cron IT]]

Mathias Schreiber [wmdb >] schrieb:

>> We're currently testing TYPO3 on a server running ZendServer. As soon
>> as we activate the Zend Optimizer+ component we start getting erratic
>> behaviors. One example:
>>
>> - in the Extension Manager, when I try to remove an extension, the
>> page (typo3/mod/tools/em/index.php) reloads but the extension is still
>> loaded. If I click 3-4 times it eventually gets uninstalled. If I
>> deactivate Zend Optimizer, the installing/uninstalling extension
>> process runs as expected.
>>
>> Has anyone encountered the same problems? Is there a way to deactivate
>> Zend Optimizer just for the BE but not for the FE?
> 
> Well, this is pretty simple to me.
> Remember the old days with eAccelerator?
> As soon as you change the codebase, the cached data needs to be flushed.
> 
> If I fully unterstood ZO right, the result of the compiled code is being
> cached, thus reducing compilation overhead (and boosting PHP speed).
> 
> So this behaviour is annoying, but no real mystery to me :)

Hm, it would be a mistery to me, because I have never had this problem
with eAccelerator. It should check if the file has changed and recompile
its cache. If it doesn't do it, it is buggy.

Cheers,
Ernesto