Created
August 31, 2011 13:43
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A map reduce function that counts the requests for each path on each day.
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db.receipts.ensureIndex({issued_at: 1}) | |
map = -> | |
day = @issued_at; | |
data = | |
count: 1 | |
paths: {} | |
data.paths[@path] = {count:1} | |
emit(day, data); | |
reduce = (key, values) -> | |
result = | |
count: 0, | |
paths: {} | |
values.forEach (value) -> | |
result.count++ | |
for path of value["paths"] | |
result.paths[path] ||= {count: 0} | |
result.paths[path].count++ | |
result | |
stats = db.receipts.mapReduce(map, reduce, | |
query: | |
status: '200' | |
sort: | |
issued_at: 1 | |
out: 'daily_hits_by_path' | |
limit: 3000 | |
) |
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var map, reduce, stats; | |
db.receipts.ensureIndex({ | |
issued_at: 1 | |
}); | |
map = function() { | |
var data, day; | |
day = this.issued_at; | |
data = { | |
count: 1, | |
paths: {} | |
}; | |
data.paths[this.path] = { | |
count: 1 | |
}; | |
return emit(day, data); | |
}; | |
reduce = function(key, values) { | |
var result; | |
result = { | |
count: 0, | |
paths: {} | |
}; | |
values.forEach(function(value) { | |
var path, _base, _results; | |
result.count++; | |
_results = []; | |
for (path in value["paths"]) { | |
(_base = result.paths)[path] || (_base[path] = { | |
count: 0 | |
}); | |
_results.push(result.paths[path].count++); | |
} | |
return _results; | |
}); | |
return result; | |
}; | |
stats = db.receipts.mapReduce(map, reduce, { | |
query: { | |
status: '200' | |
}, | |
sort: { | |
issued_at: 1 | |
}, | |
out: 'daily_hits_by_path', | |
limit: 3000 | |
}); |
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