Options and Variables Deprecated in MySQL 8.0 • version_compile_zlib : Version of compiled-in zlib library. Added in MySQL 8.0.11. • windowing_use_high_precision : Whether to compute window functions to high precision. Added in MySQL 8.0.2. • Compression : Whether client connection uses compression in client/server protocol. Deprecated in MySQL 8.0.18. • admin-ssl : Enable connection encryption. Deprecated in MySQL 8.0.26. • expire_logs_days : Purge binary logs after this many days. Deprecated in MySQL 8.0.3. • group_replication_ip_whitelist : List of hosts permitted to connect to group. Deprecated in MySQL 8.0.22. • have_openssl : Whether mysqld supports SSL connections. Deprecated in MySQL 8.0.26. • have_ssl : Whether mysqld supports SSL connections. Deprecated in MySQL 8.0.26. • innodb_undo_tablespaces : Number of tablespace files that rollback segments are divided between. Deprecated in MySQL 8.0.4. • log_bin_use_v1_row_events : Whether server is using version 1 binary log row events. Deprecated in MySQL 8.0.18. • log_syslog : Whether to write error log to syslog. Deprecated in MySQL 8.0.2. • master-info-file : Location and name of file that remembers source and where I/O replication thread is in source’s binary log. Deprecated in MySQL 8.0.18. • master_info_repository : Whether to write connection metadata repository, containing source information and replication I/O thread location in source’s binary log, to file or table. Deprecated in MySQL 8.0.23. • max_length_for_sort_data : Max number of bytes in sorted records. Deprecated in MySQL 8.0.20. • no-dd-upgrade : Prevent automatic upgrade of data dictionary tables at startup. Deprecated in MySQL 8.0.16. • relay_log_info_file : File name for applier metadata repository in which replica records information about relay logs. Deprecated in MySQL 8.0.18. • relay_log_info_repository : Whether to write location of replication SQL thread in relay logs to file or table. Deprecated in MySQL 8.0.23. • slave_compressed_protocol : Use compression of source/replica protocol. Deprecated in MySQL 8.0.18. • slave_rows_search_algorithms : Determines search algorithms used for replica update batching. Any 2 or 3 from this list: INDEX_SEARCH, TABLE_SCAN, HASH_SCAN. Deprecated in MySQL 8.0.18. • ssl : Enable connection encryption. Deprecated in MySQL 8.0.26. • symbolic-links : Permit symbolic links for MyISAM tables. Deprecated in MySQL 8.0.2. 67 The following system variables, status variables, and options have been deprecated in MySQL 8.0. Options and Variables Deprecated in MySQL 8.0