SELECT VARIABLE_VALUE LIKE '%[::1]%' FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_incoming_addresses';
VARIABLE_VALUE LIKE '%[::1]%'
1
SELECT VARIABLE_VALUE = 3 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_cluster_size';
VARIABLE_VALUE = 3
1
SET GLOBAL wsrep_provider_options='gmcast.isolate=1';
CREATE TABLE t1 (f1 INTEGER) ENGINE=InnoDB;
INSERT INTO t1 VALUES (1);
SET GLOBAL wsrep_provider_options='gmcast.isolate=0';
SELECT COUNT(*) = 1 FROM t1;
COUNT(*) = 1
1
DROP TABLE t1;