vitess v7.0.1 Release Notes

Release Date: 2020-08-25 // over 3 years ago
  • 🚀 This update fixes several regressions that were deemed significant enough to be backported to the release branch.
    0️⃣ In addition, the experimental feature to set system variables is now behind a flag that disables it by default.

    🔧 Configuration Changes

    • Vtgate: added flag enable_system_settings to enable passthrough system settings, defaults to false #6562

    🐛 Bugs Fixed

    • Vreplication: Materialize should only get schema from source tablets if target is missing tables #6623
    • 💻 Vtctld UI: mysql port is not displayed in tablet list #6597 #6600
    • Vtgate: transaction killer was closing reserved connection after the specified time. Only idle connections should be closed. Idle transactions should be rolled back. #6583
    • 🐳 Vtcompose: docker-compose example was broken by tabletmanager changes #6587
    • Vreplication: tablet_picker should respect canceled context. Also, keep trying to find a tablet until context expires. #6567
    • ⚡️ Vtgate: vindex update/delete by destination #6541 #6572
    • Vtgate: some usages of EXPLAIN were broken #6574 #6581
    • Vtgate: handle multiple settings in single SET statement #6504
    • Vtgate: cleanup shard session for reserved connection on failure #6563
    • Vtgate: if executing DDL on reserved connection, start transaction if needed #6555
    • Vtgate: make sure lookup vindexes use same transaction if one is open #6505
    • 🌲 Healthcheck: add diagnostic logging, do not add tablet if it is shutting down #6512