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A comment on Appending to a file from multiple processes. Parent comment

Re:Appending to a file from multiple processes by eva1984 on Wednesday August 03, 2016 @08:33PM (#12222566)
Namely，MapReduce
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Re:Appending to a file from multiple processes by infinite8s on Thursday August 04, 2016 @02:22PM (#12227460)
Or even older - an external merge sort (https://en.wikipedia.org/wiki/Merge_sort#Use_with_tape_drive...). It was designed for doing out of memory sorts backed by a much slower medium (like disk).
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