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  1. Core Server
  2. SERVER-18480

explain("executionStats") hangs / does not return anything

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    • Icon: Bug Bug
    • Resolution: Incomplete
    • Icon: Major - P3 Major - P3
    • None
    • 3.0.2
    • Querying
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    Description

      mongod 3.0.2, sharded collection with 2.72B documents.

      running a query with db.col.explain("executionStats").find(querydoc).sort(sortdoc) does not return any data even if wait hours. db.col.find(querydoc).sort(sortdoc) would work after a few seconds. Similarly, if you do a :

      db.col.find(querydoc).sort(sortdoc).explain() , you will get results after a few seconds, where db.col.find(querydoc).sort(sortdoc).explain("executionStats") just hangs.

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            ramon.fernandez@mongodb.com Ramon Fernandez Marina
            mjavadi Mike Javadi
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