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Map and reduce functions for above task

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Reference no: EM133234871

Suppose, for a given large log message file; we want to find all log lines that happened on a certain weekday (say, Saturday). Assume log lines may look like this:

Aug 3, 2022 10:10:22 :: machine has started

Aug 3, 2022 12:34:34 :: OS is loaded

Sep 1, 2022 02:45:56 :: ERRORs with disk read, block 5

What would be the choice of "map" and "reduce" functions for the above task?

Reference no: EM133234871

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