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CLI Magic: Simple backup is Mirdir (Linux.com)CLI Magic: Simple backup is Mirdir (Linux.com)Posted Nov 27, 2005 3:03 UTC (Sun) by zblaxell (subscriber, #26385)In reply to: CLI Magic: Simple backup is Mirdir (Linux.com) by mp Parent article: CLI Magic: Simple backup is Mirdir (Linux.com)
The problem isn't checksumming. By default rsync does no checksumming until it encounters a file that exists on both source and destination with different size or timestamp, unless you add '-c'.
The problem is that rsync *requires* a full list of all files be generated and sent to the client, with both client and server having a copy of this list stored in RAM, before *any* data is transferred. A 32-bit processor has enough address bits for a few million files. After that, you need better software, or more address bits.
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