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  1. MariaDB Server
  2. MDEV-42056

mariadbd-multi warns "reuses group number" when the same group name is in several option files

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Details

    • Bug
    • Status: Open (View Workflow)
    • Critical
    • Resolution: Unresolved
    • 13.3
    • 13.3
    • Scripts & Clients
    • None
    • Not for Release Notes
    • Q1/2027 Server Maintenance

    Description

      mariadbd-multi prints a warning on every start, stop, and report command when the same server group (e.g., [mysqld2]) appears in more than one option file.

      Test case

      export PATH=/test/mtest/MDEV-42003/MD031126-mariadb-13.2.0-linux-x86_64-opt/bin:$PATH
       
      cat > /tmp/multi.cnf <<'EOF'
      [mariadbd_multi]
      mariadb-admin=/bin/true
      [mysqld2]
      socket=/tmp/m2.sock
      !include /tmp/extra.cnf
      EOF
      printf '[mysqld2]\nport=3307\n' > /tmp/extra.cnf
       
      mariadbd-multi --defaults-file=/tmp/multi.cnf --no-log report
      

      Actual result

      Reporting MariaDB servers
      WARNING: Group [mysqld2] in /tmp/extra.cnf reuses group number 2 of [mysqld2]. The options of these groups are combined.
      MariaDB server from group: mysqld2 is running
      

      Expected result

      Reporting MariaDB servers
      MariaDB server from group: mysqld2 is running
      

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              monty Michael Widenius
              ramesh Ramesh Sivaraman
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