filegator/docs/configuration/tmpfs.md

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tmpfs

Temporary file system service

This service is responsible for managing temporary files. TMP files are created:

• When uploading files, chunks are stored in the TMP folder before merging and moving to the final storage destination
• When creating and extracting archives (zip files)
• When downloading multiple files, they are copied into TMP folder before zipping

Tmp files are usually removed immediately after the use. For expired files, configurable garbage collection is used:

        'Filegator\Services\Tmpfs\TmpfsInterface' => [
            'handler' => '\Filegator\Services\Tmpfs\Adapters\Tmpfs',
            'config' => [
                'path' => __DIR__.'/private/tmp/',
                'gc_probability_perc' => 10,
                'gc_older_than' => 60 * 60 * 24 * 2, // 2 days
            ],
        ],

Note: if you want to use this script as a stateless app or in any kind of multi-node environment, you must mount a single shared TMP folder for all the instances. You can solve this problem with Amazon Elastic File System or similar approach.