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    <blockquote> <p>Have you ever mounted an S3 bucket on a local linux filesystem?</p> </blockquote> <p>No. It's fun for testing, but I wouldn't let it near a production system. It's much better to use a library to communicate with S3. Here's why:</p> <ol> <li>It won't hide errors. A filesystem only has a few errors codes it can send you to indicate a problem. An S3 library will give you the exact error message from Amazon so you understand what's going on, log it, handle corner cases, etc.</li> <li>A library will use less memory. Filesystems layers will cache lots of random stuff that you many never use again. A library puts you in control to decide what to cache and not to cache.</li> <li>Expansion. If you ever need to do anything fancy (set an ACL on a file, generate a signed link, versioning, lifecycle, change durability, etc), then you'll have to dump your filesystem abstraction and use a library anyway.</li> <li>Timing and retries. Some fraction of requests randomly error out and can be retried. Sometimes you may want to retry a lot, sometimes you would rather error out quickly. A filesystem doesn't give you granular control, but a library will.</li> </ol> <p>The bottom line is that S3 under FUSE is a <a href="http://www.joelonsoftware.com/articles/LeakyAbstractions.html">leaky abstraction</a>. S3 doesn't have (or need) directories. Filesystems weren't built for billions of files. Their permissions models are incompatible. You are wasting a lot of the power of S3 by trying to shoehorn it into a filesystem.</p> <p>Two random PHP libraries for talking to S3:</p> <p><a href="https://github.com/KnpLabs/Gaufrette">https://github.com/KnpLabs/Gaufrette</a></p> <p><a href="https://aws.amazon.com/sdkforphp/">https://aws.amazon.com/sdkforphp/</a> - this one is useful if you expand beyond just using S3, or if you need to do any of the fancy requests mentioned above.</p>
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    1. POHow can I mount an S3 bucket to an EC2 instance and write to it with PHP?
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    1. COI don't know why I even tried to mount the S3 bucket on the local filesystem...probably because it was somebody else's idea first.
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    2. CO+1 for the leaky abstraction article!
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