mariadb/mysql-test/suite/galera/t/galera_ist_restart_joiner.test

106 lines
3.2 KiB
Text

#
# Test that a joiner performing IST can be killed and restarted with no adverse consequences.
# This is achieved by using the recv_IST_after_apply_trx Galera dbug sync point to block IST after
# one transaction has been applied. When IST blocks, we kill and restart the joiner
#
--source include/galera_cluster.inc
--source include/have_innodb.inc
--source include/have_debug_sync.inc
--source suite/galera/include/galera_have_debug_sync.inc
CREATE TABLE t1 (f1 INTEGER PRIMARY KEY, f2 CHAR(1));
INSERT INTO t1 VALUES (1, 'a'), (2, 'a'), (3, 'a'), (4, 'a'), (5, 'a'),(6, 'a');
# Disconnect node #2
--connection node_2
--source suite/galera/include/galera_unload_provider.inc
--connection node_1
UPDATE t1 SET f2 = 'b' WHERE f1 > 1;
# Wait until node #1 has left
--let $wait_condition = SELECT VARIABLE_VALUE = 1 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_cluster_size'
--source include/wait_condition.inc
UPDATE t1 SET f2 = 'c' WHERE f1 > 2;
--connection node_2
# Make sure IST will block ...
SET GLOBAL wsrep_provider_options = 'dbug=d,recv_IST_after_apply_trx';
SET SESSION wsrep_sync_wait = 0;
# Write file to make mysql-test-run.pl expect the crash, but don't start it
--let $_server_id= `SELECT @@server_id`
--let $_expect_file_name= $MYSQLTEST_VARDIR/tmp/mysqld.$_server_id.expect
--exec echo "wait" > $_expect_file_name
--let KILL_NODE_PIDFILE = `SELECT @@pid_file`
# ... and restart provider to force IST
--echo Loading wsrep_provider ...
--disable_query_log
--eval SET GLOBAL wsrep_provider = '$wsrep_provider_orig';
--eval SET GLOBAL wsrep_cluster_address = '$wsrep_cluster_address_orig';
--enable_query_log
# We can not use a wait_condition on SELECT * FROM INFORMATION_SCHEMA.GLOBAL_STATUS as such queries are blocked during IST
# so we perform a simple sleep and SHOW instead
--sleep 5
SHOW STATUS LIKE 'wsrep_debug_sync_waiters';
--connection node_1
# Perform DML and DDL while IST is in progress
--connection node_1
UPDATE t1 SET f2 = 'd' WHERE f1 > 3;
CREATE TABLE t2 (f1 INTEGER);
# Kill node #2 while IST is in progress
--connection node_2
# Kill the connected server
--disable_reconnect
--perl
my $pid_filename = $ENV{'KILL_NODE_PIDFILE'};
my $mysqld_pid = `cat $pid_filename`;
chomp($mysqld_pid);
system("kill -9 $mysqld_pid");
exit(0);
EOF
--source include/wait_until_disconnected.inc
--connection node_1
--source include/wait_until_connected_again.inc
--let $wait_condition = SELECT VARIABLE_VALUE = 1 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_cluster_size'
--source include/wait_condition.inc
# Perform DML and DDL while node #2 is down
UPDATE t1 SET f2 = 'e' WHERE f1 > 4;
CREATE TABLE t3 (f1 INTEGER);
--connection node_2
--let $galera_wsrep_recover_server_id=2
--source suite/galera/include/galera_wsrep_recover.inc
--echo Starting server ...
--source include/start_mysqld.inc
--let $wait_condition = SELECT VARIABLE_VALUE = 2 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_cluster_size'
--source include/wait_condition.inc
--connection node_1
UPDATE t1 SET f2 = 'f' WHERE f1 > 5;
SELECT * FROM t1;
--connection node_2
SELECT * FROM t1;
SELECT COUNT(*) = 0 FROM t2;
SELECT COUNT(*) = 0 FROM t3;
--connection node_1
DROP TABLE t1, t2, t3;