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connection node_2;
connection node_1;
connection node_1;
connection node_2;
connection node_3;
connection node_1;
CREATE TABLE t1 (f1 INTEGER PRIMARY KEY);
INSERT INTO t1 VALUES (01), (02), (03), (04), (05);
connection node_2;
Unloading wsrep provider ...
SET GLOBAL wsrep_cluster_address = '';
connection node_3;
Unloading wsrep provider ...
SET GLOBAL wsrep_cluster_address = '';
connection node_1;
INSERT INTO t1 VALUES (11), (12), (13), (14), (15);
INSERT INTO t1 VALUES (21), (22), (23), (24), (25);
SET GLOBAL wsrep_provider_options = 'dbug=d,ist_sender_send_after_get_buffers';
connection node_2;
connection node_1;
INSERT INTO t1 VALUES (31), (32), (33), (34), (35);
connection node_3;
connection node_1;
SHOW STATUS LIKE 'wsrep_debug_sync_waiters';
Variable_name Value
wsrep_debug_sync_waiters ist_sender_send_after_get_buffers ist_sender_send_after_get_buffers
INSERT INTO t1 VALUES (41), (42), (43), (44), (45);
CREATE TABLE t2 (f1 LONGTEXT);
INSERT INTO t2 VALUES (REPEAT('x', 512 * 1024));
INSERT INTO t2 VALUES (REPEAT('x', 512 * 1024));
INSERT INTO t2 VALUES (REPEAT('x', 512 * 1024));
SET GLOBAL wsrep_provider_options = 'dbug=';
SET GLOBAL wsrep_provider_options = 'signal=ist_sender_send_after_get_buffers';
INSERT INTO t1 VALUES (51), (52), (53), (54), (55);
connection node_2;
connection node_3;
connection node_2;
SELECT COUNT(*) = 30 FROM t1;
COUNT(*) = 30
1
SELECT COUNT(*) = 3 FROM t2;
COUNT(*) = 3
1
SELECT LENGTH(f1) = 512 * 1024 FROM t2;
LENGTH(f1) = 512 * 1024
1
1
1
CALL mtr.add_suppression("WSREP: Unsupported protocol downgrade: incremental data collection disabled");
connection node_3;
SELECT COUNT(*) = 30 FROM t1;
COUNT(*) = 30
1
SELECT COUNT(*) = 3 FROM t2;
COUNT(*) = 3
1
SELECT LENGTH(f1) = 512 * 1024 FROM t2;
LENGTH(f1) = 512 * 1024
1
1
1
CALL mtr.add_suppression("WSREP: Unsupported protocol downgrade: incremental data collection disabled");
DROP TABLE t1, t2;
disconnect node_3;
disconnect node_2;
disconnect node_1;
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