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  1. WiredTiger
  2. WT-3972

Allow more than 64K cursors to be open on a data source simultaneously

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    Details

    • Type: Improvement
    • Status: Closed
    • Priority: Major - P3
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 3.6.4, 3.4.15, 3.7.4, WT3.1.0
    • Component/s: None
    • Labels:
      None
    • Case:
    • Backport Requested:
      v3.6, v3.4

      Description

      Attempting to open more than 64K cursors on a single WT table blocks waiting for one of the cursors to close. If a single thread attempts to open more than 64K cursors, it will self-block.

        Attachments

          Issue Links

          has to be finished together with

          Bug - A problem which impairs or prevents the functions of the product. WT-3975 arg format mismatch after rwlock changes

          • Major - P3 - Major loss of function.
          • Closed
          is duplicated by

          Bug - A problem which impairs or prevents the functions of the product. SERVER-33800 Hang opening 64K cursors on a single table

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

          Bug - A problem which impairs or prevents the functions of the product. SERVER-34029 mongod get stuck after upgrade

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

          Bug - A problem which impairs or prevents the functions of the product. SERVER-34190 MongoDB process hangs after some random time

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

          Bug - A problem which impairs or prevents the functions of the product. WT-4003 wiredtiger stuck trying to open 65535 cursors per session

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

          Bug - A problem which impairs or prevents the functions of the product. SERVER-48388 MongoDB processes get hung up when trying to acquire lock

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

            Activity

              People

              Assignee:
              michael.cahill Michael Cahill
              Reporter:
              michael.cahill Michael Cahill
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                Dates

                Created:
                Updated:
                Resolved: