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  1. Core Server
  2. SERVER-15715

find_and_modify appears to be taking a DB_X lock

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    Details

    • Type: Bug
    • Status: Closed
    • Priority: Major - P3
    • Resolution: Fixed
    • Affects Version/s: 2.7.7
    • Fix Version/s: 2.8.0-rc3
    • Component/s: Concurrency
    • Labels:
    • Operating System:
      ALL

      Description

      Problem:
      https://github.com/mongodb/mongo/blob/master/src/mongo/db/commands/find_and_modify.cpp#L329

                  Lock::DBLock dbXLock(txn->lockState(), dbname, MODE_X);

      Solution:
      Take a Collection level lock.

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          Issue Links

          is duplicated by

          Improvement - An improvement or enhancement to an existing feature or task. SERVER-1117 don't use DBDirectClient in findAndModify

          • Major - P3 - Major loss of function.
          • Closed

          Improvement - An improvement or enhancement to an existing feature or task. SERVER-18173 Being able to control the length of 'query not recording (too large)' message

          • Major - P3 - Major loss of function.
          • Closed
          related to

          Bug - A problem which impairs or prevents the functions of the product. SERVER-16469 findAndModify with sort exceeds internal sort memory limit, silently fails

          • Major - P3 - Major loss of function.
          • Closed

          Bug - A problem which impairs or prevents the functions of the product. SERVER-16601 findAndModify should report that remove and update options conflict

          • Minor - P4 - Minor loss of function, or other problem where easy workaround is present.
          • Closed

          Improvement - An improvement or enhancement to an existing feature or task. SERVER-16063 Rewrite findAndModify

          • Major - P3 - Major loss of function.
          • Closed

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                Dates

                • Created:
                  Updated:
                  Resolved: