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  1. MariaDB Server
  2. MDEV-27228 Deprecate Spider plugin variables that result in excessive tweak
  3. MDEV-28829

Deprecate spider_semi_table_lock and spider_semi_table_lock_connection

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      Description

      We change the default value of the plugin variable, spider_semi_table_lock, to 0 (no semi-table lock) and then deprecate the variable. Setting the variable to 1 (semi-table lock) would result in poor performance and it is rare to use non-transactional engines these days. Further, maintaining the variable complicates the code.

      The variable, spider_semi_table_lock_connection, should be too deprecated because it is for tweaking the semi-table locking.

      See https://mariadb.com/kb/en/spider-server-system-variables/ for the details of the variables.

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              Assignee:
              nayuta-yanagisawa Nayuta Yanagisawa
              Reporter:
              nayuta-yanagisawa Nayuta Yanagisawa
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