CREATE TABLE t1 (f1 INTEGER);
SET GLOBAL wsrep_provider_options = 'gmcast.isolate=1';
SET GLOBAL wsrep_provider_options = 'gmcast.isolate=1';
SET GLOBAL wsrep_provider_options = 'gmcast.isolate=1';
SET SESSION wsrep_sync_wait = 0;
SHOW STATUS LIKE 'wsrep_cluster_status';
Variable_name	Value
wsrep_cluster_status	non-Primary
SET GLOBAL wsrep_provider_options = 'pc.bootstrap=1';
SHOW STATUS LIKE 'wsrep_cluster_size';
Variable_name	Value
wsrep_cluster_size	1
SHOW STATUS LIKE 'wsrep_cluster_status';
Variable_name	Value
wsrep_cluster_status	Primary
INSERT INTO t1 VALUES (1);
SET GLOBAL wsrep_provider_options = 'gmcast.isolate=0';
SET GLOBAL wsrep_provider_options = 'gmcast.isolate=0';
SET GLOBAL wsrep_provider_options = 'gmcast.isolate=0';
SELECT COUNT(*) FROM t1;
COUNT(*)
1
SELECT COUNT(*) FROM t1;
COUNT(*)
1
SELECT COUNT(*) FROM t1;
COUNT(*)
1
DROP TABLE t1;