Options and Variables Introduced in MySQL 8.0 • mysqlx_interactive_timeout : Number of seconds to wait for interactive clients to timeout. Added in MySQL 8.0.4. • mysqlx_lz4_default_compression_level : Default compression level for LZ4 algorithm on X Protocol connections. Added in MySQL 8.0.20. • mysqlx_lz4_max_client_compression_level : Maximum permitted compression level for LZ4 algorithm on X Protocol connections. Added in MySQL 8.0.20. • mysqlx_read_timeout : Number of seconds to wait for blocking read operations to complete. Added in MySQL 8.0.4. • mysqlx_wait_timeout : Number of seconds to wait for activity from connection. Added in MySQL 8.0.4. • mysqlx_write_timeout : Number of seconds to wait for blocking write operations to complete. Added in MySQL 8.0.4. • mysqlx_zstd_default_compression_level : Default compression level for zstd algorithm on X Protocol connections. Added in MySQL 8.0.20. • mysqlx_zstd_max_client_compression_level : Maximum permitted compression level for zstd algorithm on X Protocol connections. Added in MySQL 8.0.20. • named_pipe_full_access_group : Name of Windows group granted full access to named pipe. Added in MySQL 8.0.14. • no-dd-upgrade : Prevent automatic upgrade of data dictionary tables at startup. Added in MySQL 8.0.4. • no-monitor : Do not fork monitor process required for RESTART. Added in MySQL 8.0.12. • original_commit_timestamp : Time when transaction was committed on original source. Added in MySQL 8.0.1. • original_server_version : MySQL Server release number of server on which transaction was originally committed. Added in MySQL 8.0.14. • partial_revokes : Whether partial revocation is enabled. Added in MySQL 8.0.16. • password_history : Number of password changes required before password reuse. Added in MySQL 8.0.3. • password_require_current : Whether password changes require current password verification. Added in MySQL 8.0.13. • password_reuse_interval : Number of days elapsed required before password reuse. Added in MySQL 8.0.3. • performance_schema_max_digest_sample_age : Query resample age in seconds. Added in MySQL 8.0.3. • performance_schema_show_processlist : Select SHOW PROCESSLIST implementation. Added in MySQL 8.0.22. • persist_only_admin_x509_subject : SSL certificate X.509 Subject that enables persisting persist- restricted system variables. Added in MySQL 8.0.14. • persisted_globals_load : Whether to load persisted configuration settings. Added in MySQL 8.0.0. 64