How does the caching mechanism of the operating system affect the performance of PHP on a USB stick?

The caching mechanism of the operating system can affect the performance of PHP on a USB stick by causing delays in reading and writing data to and from the USB drive. To improve performance, you can disable or adjust the caching settings to prioritize speed over data consistency. 

// Disable caching for file operations on the USB stick
ini_set('opcache.enable', 0);
ini_set('realpath_cache_size', 0);
ini_set('realpath_cache_ttl', 0);

Keywords

caching mechanism operating system performance PHP USB stick

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