Deprecated variables in MySQL 8

The following system variables, status variables, and options have been deprecated in MySQL 8.0.

Deprecated :

expire_logs_days: Purge binary logs after this many days.


binlog_expire_logs_seconds: Sets the binary log expiration period in seconds.This is to replace the expire_logs_days.

Deprecated :

innodb_undo_tablespaces: The number of tablespace files that rollback segments are divided between. Deprecated as of MySQL 8.0.4.


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log_syslog: Whether to write error log to syslog. Deprecated as of MySQL 8.0.2.symbolic-links: Permit symbolic links for MyISAM tables. Deprecated as of MySQL 8.0.2.Symbolic link support, along with the the –symbolic-links option that controls it, is deprecated and will be removed in a future version of MySQL. In addition, the option is disabled by default. The related have_symlink system variable also is deprecated and will be removed in a future version of MySQL


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Raja M Naveed



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