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  1. Core Server
  2. SERVER-20800

getMore command against awaitData cursor does not block

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Details

    • Bug
    • Status: Closed
    • Critical - P2
    • Resolution: Done
    • 3.1.9
    • 3.2.0-rc0
    • Querying
    • None
    • Fully Compatible
    • ALL
    • Hide

      In a 3.1.9 shell (or an earlier shell with --readMode commands):

      db.c.drop()
      		 
      db.createCollection("c", {capped: true, size: 1024});
      		 
      db.c.insert({_id: 1});
      		 
      db.c.find().addOption(DBQuery.Option.tailable).addOption(DBQuery.Option.awaitData);

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      In a 3.1.9 shell (or an earlier shell with --readMode commands): db.c.drop() db.createCollection("c", {capped: true, size: 1024}); db.c.insert({_id: 1}); db.c.find().addOption(DBQuery.Option.tailable).addOption(DBQuery.Option.awaitData);
    • RPL A (10/09/15)

    Description

      This is a regression introduced under SERVER-20604 in commit https://github.com/mongodb/mongo/commit/a8e6c0ebc70fad95a5e05281076cfa4b6db500c2. It affects only the getMore command, not OP_GET_MORE. Affects only development release 3.1.9.

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          is related to

          Bug - A problem which impairs or prevents the functions of the product. SERVER-20604 CSRS with protocol version 1 is slow when doing reads from secondaries

          • Critical - P2 - Crashes, loss of data, severe memory leak.
          • Closed

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              milkie@mongodb.com Eric Milkie
              david.storch@mongodb.com David Storch
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                Created:
                Updated:
                Resolved: