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When I hear the word “sort” my first thought is usually “Hadoop”! Yes, sorting is one thing that Hadoop does well, but if you’re working with large files in Linux the built-in sort command is often all you need.
Let’s say you have a large file on a host with 2GB or more of main memory free. The following sortcommand is a efficient way to lexicographically-order large files.
LC_COLLATE=C sort --buffer-size=1G --temporary-directory=./tmp --unique bigfile.txt
Let’s break this command down and examine each part in detail.
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