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  1. MariaDB Server
  2. MDEV-37362

Save the set/unset state of CHANGE MASTER configurations

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Details

    • New Feature
    • Status: Stalled (View Workflow)
    • Major
    • Resolution: Unresolved
    • 12.3
    • Replication
    • None
    • Q4/2025 Server Development

    Description

      In particular, master_heartbeat_period defaults to @@slave_net_timeout / 2 because it's only effective when less than @@slave_net_timeout.
      If master_heartbeat_period always uses a calculated value rather than remembering itself as DEFAULT, then it will not reflect changes to @@slave_net_timeout, even for values less than master_heartbeat_period, as in MDEV-36841.

      With this change, the command (technically, the @@master_info_file) shall record "NULL"s for unspecified configurations.
      And with MDEV-28302, configurations with customizable defaults that are left or set to DEFAULT will reflect changes to those defaults.

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          is part of

          New Feature - A new feature of the product, which has yet to be developed. MDEV-28302 Feature request: configurable defaults for MASTER_SSL_* settings for CHANGE MASTER

          • Critical - Crashes, loss of data, severe memory leak.
          • Stalled
          split from

          Bug - A problem which impairs or prevents the functions of the product. MDEV-36841 No ER_SLAVE_HEARTBEAT_VALUE_OUT_OF_RANGE_MAX warning when setting @@GLOBAL.slave_net_timeout to below CHANGE MASTER’s master_heartbeat_period

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

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              ParadoxV5 Jimmy Hú
              ParadoxV5 Jimmy Hú
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              Dates

                Created:
                Updated:

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