Bug #99821
closed
cache:warmup always recreates core code cache files even if they exist and the content will not change
0%
Description
The file cache files are always recreated by the command cache:warmup - even if they already exist and there is no change:
php vendor/bin/typo3 cache:warmup
files have new time stamp, such as:
var/cache/code:
ls -l core/
total 6278
... 24260 Feb 4 10:10 BackendRoutes_2b542f5ab887ff8a73c2bf65e72aa3791d493b97.php
... 521 Feb 4 10:10 ExpressionLanguageProviders_2b542f5ab887ff8a73c2bf65e72aa3791d493b97.php
... 172105 Feb 4 10:10 ext_localconf_2b542f5ab887ff8a73c2bf65e72aa3791d493b97.php
..
ls -l di/
total 1730
... 1478664 Feb 4 10:10 DependencyInjectionContainer_2b542f5ab887ff8a73c2bf65e72aa3791d493b97.php
The system is fully warmed up so there is currently no need to recreate cache files. I am not sure if this has other effects if cache:warmup is not used but I have recently noticed a very large number of log messages like this:
Sat, 04 Feb 2023 08:41:20 +0100 [CRITICAL] request="33281b1d99c16" component="TYPO3.CMS.Core.Error.ProductionExceptionHandler": Core: Exception handler (WEB: BE): TYPO3\CMS\Core\Cache\Exception, code #1334756737, file /var/www/mysite/releases/106/public/typo3/sysext/core/Classes/Cache/Backend/SimpleFileBackend.php, line 232: The temporary cache file "/var/www/mysite/releases/106/var/cache/code/di/63de0c2025346392264361.temp" could not be written. - {"mode":"WEB","application_mode":"BE","exception_class":"TYPO3\\CMS\\Core\\Cache\\Exception","exception_code":1334756737,"file":"/var/www/mysite/releases/106/public/typo3/sysext/core/Classes/Cache/Backend/SimpleFileBackend.php","line":232,"message":"The temporary cache file \"/var/www/mysite/releases/106/var/cache/code/di/63de0c2025346392264361.temp\" could not be written.","request_url":"https://mysite/someurl","exception":null}
Versions¶
tested with
- latest main (v12)
- 11.5.22
Updated by Sybille Peters almost 2 years ago
- Related to Bug #91768: Race condition while caching data using SimpleFileBackend added
Updated by Benjamin Franzke over 1 year ago
- Status changed from New to Rejected
cache:warmup recreates caches on purpose and by design.
cache:warmup is not designed to be executed like a cronjob on a timely basis, but ondemand (e.g during deployment or even development).
The system is fully warmed up so there is currently no need to recreate cache files.
Yea, so then you don't have a need to execute cache:warmup, right?
I am not sure if this has other effects if cache:warmup is not used but I have recently noticed a very large number of log messages like this:
The error you mention does not happen because of cache-file recreation per-se, it is a consequence of some stale file system caches or a race-condition.