Uploaded image for project: 'Core Server'
  1. Core Server
  2. SERVER-20707

Add a new option --enableMajorityReadConcern

    XMLWordPrintable

    Details

    • Type: Improvement
    • Status: Closed
    • Priority: Major - P3
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 3.2.0-rc0
    • Component/s: Replication, Storage
    • Labels:
      None
    • Backwards Compatibility:
      Fully Compatible
    • Epic Link:
    • Sprint:
      QuInt A (10/12/15)

      Description

      Plan:

      Add a new option --enableMajorityReadConcern. It will be enabled by default on CSRS nodes. When enabled, we will fail to start up if the selected storage engine doesn't support snapshots. When disabled, requests with readMajority=majority will fail with a dedicated error.

      At some point during the RCs before GA release, we will disable the snapshot thread if --enableMajorityReadConcern is not specified (SERVER-20825). Until then, we will leave the thread enabled by default until then to allow more burn-in time across more workloads.

        Attachments

          Issue Links

          is documented by

          Task - A task that needs to be done. DOCS-9527 Docs for SERVER-20707: Add a new option --enableMajorityReadConcern

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

          Bug - A problem which impairs or prevents the functions of the product. SERVER-22617 SnapshotThread hits invariant due to reading oplog entries out of order

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

          Task - A task that needs to be done. SERVER-20825 Only start snapshot thread when majority read concern is enabled

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

            Activity

              People

              Assignee:
              redbeard0531 Mathias Stearn
              Reporter:
              redbeard0531 Mathias Stearn
              Participants:
              Votes:
              0 Vote for this issue
              Watchers:
              10 Start watching this issue

                Dates

                Created:
                Updated:
                Resolved: