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  1. MariaDB Server
  2. MDEV-28287

Missmatch between docu and MariaDB defaults

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      Description

      On one side MariaDB documentations states for:

      max_allowed_packet (server): "If this value is changed, it should be changed on the client side as well."

      net_buffer_size (mariadb-dump): "If you increase this variable, you should also ensure that the net_buffer_length variable in the MariaDB server is at least this large."

      On the other hand the defaults are:

      SQL> SHOW GLOBAL VARIABLES LIKE ...
      ----------------------------+

      Variable_name Value

      ----------------------------+

      max_allowed_packet 16777216 -> conflict with docu
      net_buffer_length 16384 -> conflict with docu
      ----------------------------+

      mariadb-dump --help | grep -e buffer -e allow
      max-allowed-packet 25165824 -> conflict with docu
      net-buffer-length 1046528 -> conflict with docu

      mariadb --help | grep -e buffer -e allow
      max-allowed-packet 16777216 -> OK
      net-buffer-length 16384 -> OK

      So make the docu fitting the defaults or the other way around...

      Sources:
      https://mariadb.com/kb/en/server-system-variables/#max_allowed_packet
      https://mariadb.com/kb/en/mariadb-dumpmysqldump/

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            Assignee:
            greenman Ian Gilfillan
            Reporter:
            oli Oli Sennhauser
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              Resolved:

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