Section 2.11.4, “Changes in MySQL 8.0” Section 18.7.6.4, “Exit Action” Section 18.7.6.1, “Expel Timeout” Section 18.10, “Frequently Asked Questions” Section 18.9, “Group Replication System Variables” Section 18.7.6.2, “Unreachable Majority Timeout” 

## group_replication_bootstrap_group 

Adding a Second Instance Section 18.2.1.5, “Bootstrapping the Group” Section 18.2.1.2, “Configuring an Instance for Group Replication” Section 18.9, “Group Replication System Variables” Section 18.1.3, “Multi-Primary and Single-Primary Modes” 

## group_replication_clone_threshold 

Section 18.5.3.2, “Cloning for Distributed Recovery” Section 18.9, “Group Replication System Variables” Section 18.5.3.5, “How Distributed Recovery Works” Threshold for Cloning 

## group_replication_communication_debug_options 

Section 18.9, “Group Replication System Variables” 

## group_replication_communication_max_message_size 

Section 18.3.2, “Group Replication Limitations” Section 18.9, “Group Replication System Variables” Section 18.7.4, “Message Fragmentation” 

## group_replication_components_stop_timeout 

Section 18.9, “Group Replication System Variables” 

## group_replication_compression_threshold 

Section 18.3.2, “Group Replication Limitations” Section 18.9, “Group Replication System Variables” Section 18.7.3, “Message Compression” Monitoring Binary Log Transaction Compression 

## group_replication_consistency 

Section 18.5.2.2, “Configuring Transaction Consistency Guarantees” Section 18.9, “Group Replication System Variables” Section 18.1.3.2, “Multi-Primary Mode” Section 6.2.2, “Privileges Provided by MySQL” Section 18.1.3.1, “Single-Primary Mode” Section 18.5.2.1, “Understanding Transaction Consistency Guarantees” 

## group_replication_enforce_update_everywhere_checks 

Section 18.5.1.2, “Changing a Group’s Mode” Section 13.4.3.4, “Functions which Configure the Group Replication Mode” Section 18.3.2, “Group Replication Limitations” Section 18.9, “Group Replication System Variables” Section 18.1.3.1, “Single-Primary Mode” Transaction Checks 

