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  1. Core Server
  2. SERVER-37199

Yield locks of transactions in secondary application

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Details

    • Fully Compatible
    • Repl 2018-10-08, Repl 2018-10-22, Repl 2018-11-05, Repl 2018-11-19, Repl 2018-12-03, Repl 2018-12-17
    • 62

    Description

      Secondary application tends to acquire locks conservatively, for example, all commands acquire global write lock. This will conflict with prepared transactions. We can yield locks of transactions on secondary since the oplog should include no conflicting operations due to the concurrency control on primary. 

      An alternative solution is to have secondaries acquire the same locks as the primary, but yielding locks will also fix other issues, e.g. SERVER-38121

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          causes

          Task - A task that needs to be done. SERVER-38588 Hybrid index builds do not work when applied concurrently with prepared transactions on secondaries

          • Major - P3 - Major loss of function.
          • Closed
          is depended on by

          Task - A task that needs to be done. SERVER-38282 Reacquire locks for transactions on step-up and release them on step-down

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

          Task - A task that needs to be done. SERVER-38121 multikey index ops in a transaction can cause secondaries to hang

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

          Bug - A problem which impairs or prevents the functions of the product. SERVER-37313 FTDC collection blocked during foreground index build on secondary

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

          Bug - A problem which impairs or prevents the functions of the product. SERVER-37336 Test that background index build do not block on prepared transactions on secondaries

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

          Bug - A problem which impairs or prevents the functions of the product. SERVER-39372 Make secondary lock acquisition for DDL operations consistent with behavior on primary

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

          Bug - A problem which impairs or prevents the functions of the product. SERVER-40723 Deadlock between S lock acquisition on secondary and prepare conflict

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

          Task - A task that needs to be done. SERVER-39424 Test that DDL operations can't succeed after prepared transactions are aborted during shutdown

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

          Task - A task that needs to be done. SERVER-37988 recover locks on step up at the beginning of the state transition rather than at the end

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

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            People

              siyuan.zhou@mongodb.com Siyuan Zhou
              siyuan.zhou@mongodb.com Siyuan Zhou
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              Dates

                Created:
                Updated:
                Resolved: