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  1. Core Server
  2. SERVER-38986

Timestamp drained writes from the index build side table to the index

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    Details

    • Type: Task
    • Status: Closed
    • Priority: Major - P3
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 4.1.8
    • Component/s: Storage
    • Labels:
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      Description

      In order for rollback/restart to work properly with resuming simultaneous index builds work in the draining phase, secondaries must start picking timestamps at which to do certain writes so that recover to a stable timestamp moves all the information backwards in concert. Note these timestamps will not be associated with a unique oplog entry.

      The writes needing timestamps:
      1) Index catalog entry updates, for example to track index build phases to know if the build is recoverable or must be restarted from scratch this will be done in SERVER-37645
      2) Deletes from thee side table when draining & subsequent writes to the index, which occur in the same transaction with the same timestamp.

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                  Updated:
                  Resolved: