1.8 Option and Variable Changes for MySQL 9.1

The following list details the changes to specific options and variables within MySQL 9.1.

• authentication_openid_connect_configuration

  Introduced in version 9.1.0

• connection_memory_status_limit

  Introduced in version 9.1.0

• Count_hit_query_past_connection_memory_status_limit

  Introduced in version 9.1.0

• Count_hit_tmp_table_size

  Introduced in version 9.1.0

• global_connection_memory_status_limit

  Introduced in version 9.1.0

• Gr_flow_control_throttle_active_count

  Introduced in version 9.1.0

• Gr_flow_control_throttle_count

  Introduced in version 9.1.0

• Gr_flow_control_throttle_last_throttle_timestamp

  Introduced in version 9.1.0

• Gr_flow_control_throttle_time_sum

  Introduced in version 9.1.0

• ndb_log_cache_size

  Introduced in version 9.1.0-ndb-9.1.0

• option_tracker.gr_complete_table_received

  Introduced in version 9.1.0

• option_tracker.gr_complete_table_sent

  Introduced in version 9.1.0

• option_tracker.gr_error_received

  Introduced in version 9.1.0

• option_tracker.gr_error_sent

  Introduced in version 9.1.0

• option_tracker.gr_reset_request_received

  Introduced in version 9.1.0

• option_tracker.gr_reset_request_sent

  Introduced in version 9.1.0

• option_tracker.gr_single_row_received

  Introduced in version 9.1.0

• option_tracker.gr_single_row_sent

  Introduced in version 9.1.0

• performance-schema-logger

  Introduced in version 9.1.0

• Performance_schema_logger_lost

  Introduced in version 9.1.0

• performance_schema_max_logger_classes

  Introduced in version 9.1.0

• table_open_cache_triggers

  Introduced in version 9.1.0

• Table_open_cache_triggers_hits

  Introduced in version 9.1.0

• Table_open_cache_triggers_misses

  Introduced in version 9.1.0

• Table_open_cache_triggers_overflows

  Introduced in version 9.1.0

• Telemetry_logs_supported

  Introduced in version 9.1.0

• telemetry.log_enabled

  Introduced in version 9.1.0

• telemetry.otel_blrp_max_export_batch_size

  Introduced in version 9.1.0

• telemetry.otel_blrp_max_queue_size

  Introduced in version 9.1.0

• telemetry.otel_blrp_schedule_delay

  Introduced in version 9.1.0

• telemetry.otel_exporter_otlp_logs_certificates

  Introduced in version 9.1.0

• telemetry.otel_exporter_otlp_logs_cipher

  Introduced in version 9.1.0

• telemetry.otel_exporter_otlp_logs_cipher_suite

  Introduced in version 9.1.0

• telemetry.otel_exporter_otlp_logs_client_certificates

  Introduced in version 9.1.0

• telemetry.otel_exporter_otlp_logs_client_key

  Introduced in version 9.1.0

• telemetry.otel_exporter_otlp_logs_compression

  Introduced in version 9.1.0

• telemetry.otel_exporter_otlp_logs_endpoint

  Introduced in version 9.1.0

• telemetry.otel_exporter_otlp_logs_headers

  Introduced in version 9.1.0

• telemetry.otel_exporter_otlp_logs_max_tls

  Introduced in version 9.1.0

• telemetry.otel_exporter_otlp_logs_min_tls

  Introduced in version 9.1.0

• telemetry.otel_exporter_otlp_logs_protocol

  Introduced in version 9.1.0

• telemetry.otel_exporter_otlp_logs_timeout

  Introduced in version 9.1.0

• TempTable_count_hit_max_ram

  Introduced in version 9.1.0