Nested data structures keep coming up, especially for log files

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Nested data structures keep coming up, especially for log files | ORA600

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Nested data structures have come up several times now, almost always in the context of log files.

Google has published about a project called Dremel. Per Tasso Agyros, one of Dremel’s key concepts is nested data structures.
Those arrays that the XLDB/SciDB folks keep talking about are meant to be nested data structures. Scientific data is of course log-oriented. eBay was very interested in that project too.
Facebook’s log files have a big nested data structure flavor.

I don’t have a grasp yet on what exactly is happening here, but it’s something.

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