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database.tablebusiness query: { LongitudeLatitude: { $nearSphere: [ 106.772835, -6.186753 ], $maxDistance: 0.04498373205078301 }, Prominent: { $gte: 15 }, indexContents: { $all: [ /^aru/, /^op/ ] } } ntoreturn:20 ntoskip:80 nscanned:100 nreturned:20 reslen:1147 1927ms

it seems that ntoreturn means number to return. ntoskip is numbers to skip. nscanned seem to be the sum of the 2.

What is reslen?

I search google with no answer. What site explain what reslen is?

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  • mongodb.org/display/DOCS/…
    – András Váczi
    Commented Sep 5, 2012 at 8:03
  • Who downvotes and why? You think it's that obvious what the profiling tool is and how it has anything to do with log? Can you get that through google easily?
    – user4951
    Commented Sep 5, 2012 at 8:57
  • The latter. I fed google with "mongodb reslen", and in the very first hit I searched for reslen. All this in 30 seconds. Without knowing a bit about MongoDB.
    – András Váczi
    Commented Sep 5, 2012 at 8:59
  • I saw many documents containing both mongodb and reslen, most simply come from someone copying and pasting it's log. Somehow the first result is what works for you. I forget query I searched but that result is not in first 10. Also how do users, searching for mongodb reslen knows that that the site will explain about reslen? Most other results don't.
    – user4951
    Commented Sep 5, 2012 at 9:12
  • without checking those search results you'll never know... I've just checked the first one.
    – András Váczi
    Commented Sep 5, 2012 at 9:16

1 Answer 1

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reslen is the query result length in bytes. From the profiler docs here:

http://docs.mongodb.org/manual/reference/database-profiler/

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