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Large image folder crashes Symfony "cache:clear" with OutOfMemoryException

When I put a large image folder in my /web folder, the "cache"clear" command fails with a

"OutOfMemoryException"

PHP Fatal error:  Allowed memory size of 536870912 bytes exhausted (tried to allocate 151552 bytes) in /Users/john/Development/git/website/vendor/twig/twig/lib/Twig/Compiler.php on line 124

[Symfony\Component\Debug\Exception\OutOfMemoryException]                                  
Error: Allowed memory size of 536870912 bytes exhausted (tried to allocate 151552 bytes)  

Exception trace:
() at /Users/john/Development/git/website/vendor/twig/twig/lib/Twig/Compiler.php:124

The image folder contains 10.000 images and is about 600MB big. When I delete this folder, the "cache:clear" command runs successfully.

I'm using Symfony 2.8 with PHP 7.1. The PHP memory limit is set on 512MB, which is the maximum on my hosting.

Update:

When I add --no-warmup to the command, I don't get the exception.

$ php app/console cache:clear --verbose --no-warmup
Solution

  • You can limit the usage of the php command like this:

    php -d memory_limit=512M app/console cache:clear --verbose --no-warmup

    Hope this works for you :)