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July 29, 2004
Replace NFS with HTTP
Yesterday, during Brad Fitzpatrick's persentation on LiveJournal's backend I saw something I don't want to forget. Brad's presentation was a rapid-fire tour of the LiveJournal backend, demonstrating how they've dealt with having as much as 5 million dynamic-page views per day. Stuck in my mind is the bit about sharing files between servers. LJ attempted to use NFS, but found that there were memory leaks and under heavy load the files were getting corrupted.
Their solution was to switch to HTTP. The common HTTP methods are HEAD, GET and POST. I've seen the PUT and DELETE methods in documentation, but haven't actually seen them in use. LJ enabled these methods and is using HTTP to retrieve as well as manage the shared files. Interesting idea, might come in handy some day.
Posted by mike at July 29, 2004 10:59 AM
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Comments
Things like WebDAV make use of PUT and DELETE all the time, although I do admit that they are simply not as common as the rest of the HTTP methods.
Posted by: Garrett at July 29, 2004 5:00 PM