Removing old phpdoc #262
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Removing old phpdoc #262
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With the configuration class, this ultimately just won't be the right place for this (it'll likely just get out of date). If anything, it should be a link to the reference section of the docs (a la settings.yml for symfony1).
jderusse
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Mar 30, 2020
Fix links for laravel/framework
nicolas-grekas
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Mar 31, 2023
… disabled (bastnic)
This PR was merged into the 5.4 branch.
Discussion
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[FrameworkBundle] enable metadata cache when annotation is disabled
| Q | A
| ------------- | ---
| Branch? | 5.4
| Bug fix? | yes
| New feature? | no
| Deprecations? | no
| Tickets | Fix #... <!-- prefix each issue number with "Fix #", no need to create an issue if none exists, explain below instead -->
| License | MIT
| Doc PR | symfony/symfony-docs#... <!-- required for new features -->
When using Annotations, annotations are cached at `AnnotationLoader` level.
Which is cleared when entities are changed. So the dev experience is optimal.
```
[ClassMetadataFactory.php](vendor/symfony/serializer/Mapping/Factory/ClassMetadataFactory.php") on line 51:
[Symfony\Component\Serializer\Mapping\Loader\LoaderChain](vendor/symfony/serializer/Mapping/Loader/LoaderChain.php&line=28#line28) {#543 ▼
-loaders: array:1 [▼
0 => [Symfony\Component\Serializer\Mapping\Loader\AnnotationLoader](vendor/symfony/serializer/Mapping/Loader/AnnotationLoader.php&line=33#line33) {#544 ▼
-reader: [Doctrine\Common\Annotations\PsrCachedReader](vendor/doctrine/annotations/lib/Doctrine/Common/Annotations/PsrCachedReader.php&line=22#line22) {#262 ▼
-delegate: [Doctrine\Common\Annotations\AnnotationReader](vendor/doctrine/annotations/lib/Doctrine/Common/Annotations/AnnotationReader.php&line=20#line20) {#263 ▶}
-cache: [Symfony\Component\Cache\Adapter\PhpArrayAdapter](vendor/symfony/cache/Adapter/PhpArrayAdapter.php&line=32#line32) {#277 ▶}
-debug: true
-loadedAnnotations: array:14 [▶]
-loadedFilemtimes: array:4 [▶]
}
}
]
}
```
When using yaml files, there is no cache at the loader level so I added in the past the same cache as for the prod env, as the metadata are effectively cleared when using only yaml config files.
#35109
The regression introduced by my patch is for people that do not use mapping files but use annotations.
#41961
But now, we are in the opposite situation: no cache for people using mapping files but not annotations.
On a current project it means loading 83 yaml files for each dev requests. It's not good at all.
A simple local fix is to add that in a dev services files.
```yaml
serializer.mapping.cache_class_metadata_factory:
class: 'Symfony\Component\Serializer\Mapping\Factory\CacheClassMetadataFactory'
decorates: 'serializer.mapping.class_metadata_factory'
arguments: ['`@serializer`.mapping.cache_class_metadata_factory.inner', '`@serializer`.mapping.cache.symfony']
```
A solution in Symfony could be:
1/ only yaml/xml mapping files (`enable_annotations: false`) : cache like prod => that what I did in this PR, as it fixes the current perf regressions on my different projects. There is no cache on yaml/xml file as soon as annotation is enabled (which is the default)
2/ add a cache at reader level for yaml/xml loader
3/ add a cache cleaner at metadata level when annotation are enabled
Commits
6348
-------
1773dff [FrameworkBundle] enable metadata cache when annotation is disabled
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This is simply left-over from the DI extension refactoring - I put this here, but I think it'll just get out of date and only be used by a few people (it's already out of date).
Thanks!