Cluster nodes become unstable when a transaction is replicated through Async replication from Galera Primary node

GALERA_BASE=/home/ramesh/rpl/mariadb-10.8.0-linux-x86_64_slave

MASTER_BASE=/home/ramesh/rpl/mariadb-10.8.0-linux-x86_64_master

DATADIR=/home/ramesh/rpl

rm -Rf $DATADIR/node* $DATADIR/data

$GALERA_BASE/scripts/mariadb-install-db --no-defaults --force --auth-root-authentication-method=normal  --basedir=$GALERA_BASE --datadir=$DATADIR/node1

$GALERA_BASE/scripts/mariadb-install-db --no-defaults --force --auth-root-authentication-method=normal  --basedir=$GALERA_BASE --datadir=$DATADIR/node2

$MASTER_BASE/scripts/mariadb-install-db --no-defaults --force --auth-root-authentication-method=normal  --basedir=$MASTER_BASE --datadir=$DATADIR/data

$GALERA_BASE/bin/mysqld --defaults-file=$DATADIR/n1.cnf --wsrep-new-cluster > $DATADIR/node1/node1.err 2>&1 & 

sleep 2

$GALERA_BASE/bin/mysqladmin  -uroot -S$DATADIR/node1/node1_socket.sock ping

$GALERA_BASE/bin/mysqld --defaults-file=$DATADIR/n2.cnf > $DATADIR/node2/node2.err 2>&1 &

$GALERA_BASE/bin/mysqld --defaults-file=$DATADIR/n3.cnf > $DATADIR/node3/node3.err 2>&1 &

$GALERA_BASE/bin/mysql -uroot -S$DATADIR/node1/node1_socket.sock -e 'CREATE DATABASE IF NOT EXISTS test;'

$MASTER_BASE/bin/mysqld --defaults-file=$DATADIR/my.cnf  > $DATADIR/data/mysql.err 2>&1 & 

-- connection master server

$MASTER_BASE/bin/mysql -uroot --socket=/home/ramesh/rpl/data/socket.sock

delete from mysql.user where user='';

create user repl@'%' identified by 'repl';

grant all on *.* to  repl@'%';

flush privileges;

-- connection galera async slave node1

$GALERA_BASE/bin/mysql -uroot -S$DATADIR/node1/node1_socket.sock

CHANGE MASTER TO MASTER_HOST='127.0.0.1', MASTER_PORT=4040, MASTER_USER='repl', MASTER_PASSWORD='repl', MASTER_USE_GTID=slave_pos; START SLAVE; SHOW SLAVE STATUS \G

-- connection master server

CREATE TABLE t1 (a INT) ENGINE=innodb;

ALTER TABLE t1 ADD COLUMN b int;

-- connection galera async slave node1

FLUSH TABLES WITH READ LOCK;

-- connection master server

INSERT INTO t1 VALUES(1,1);

-- connection galera async slave node1

UNLOCk TABLES;

check galera node2 wsrep state.

MariaDB [test]> select * from t1;

ERROR 1047 (08S01): WSREP has not yet prepared node for application use

MariaDB [test]> show status like '%wsrep%st%';

+------------------------------+--------------------------------------+

| Variable_name                | Value                                |

+------------------------------+--------------------------------------+

| wsrep_local_state_uuid       | 00000000-0000-0000-0000-000000000000 |

| wsrep_last_committed         | -1                                   |

| wsrep_flow_control_requested | false                                |

| wsrep_cert_deps_distance     | 1                                    |

| wsrep_local_state            | 5                                    |

| wsrep_local_state_comment    | Inconsistent                         |

| wsrep_cluster_capabilities   |                                      |

| wsrep_cluster_conf_id        | 18446744073709551615                 |

| wsrep_cluster_size           | 0                                    |

| wsrep_cluster_state_uuid     | 2602eed2-7790-11ec-8bb1-0ac228ebd8fe |

| wsrep_cluster_status         | Disconnected                         |

+------------------------------+--------------------------------------+

11 rows in set (0.001 sec)

MariaDB [test]>

2022-01-17 17:05:58 0 [Note] WSREP: Member 1.0 (ramesh) synced with group.

2022-01-17 17:05:58 6 [ERROR] mysqld: Error writing file 'binlog' (errno: 1950 "Unknown error 1950")

2022-01-17 17:05:58 6 [ERROR] WSREP: Failed to apply write set: gtid: d49fdaa9-7787-11ec-a527-fbc118afef8b:15 server_id: d49f2223-7787-11ec-bc33-23776de67a0b client_id: 14 trx_id: 104 flags: 3 (start_transaction 

| commit)

2022-01-17 17:05:58 6 [Note] WSREP: Closing send monitor...

2022-01-17 17:05:58 6 [Note] WSREP: Closed send monitor.

2022-01-17 17:05:58 6 [Note] WSREP: gcomm: terminating thread

2022-01-17 17:05:58 6 [Note] WSREP: gcomm: joining thread

2022-01-17 17:05:58 6 [Note] WSREP: gcomm: closing backend

2022-01-17 17:05:59 6 [Note] WSREP: view(view_id(NON_PRIM,0a3c40bc-ae30,3) memb {

        e6188585-893a,0

} joined {

} left {

} partitioned {

        0a3c40bc-ae30,0

        d49f2223-bc33,0

})

2022-01-17 17:05:59 6 [Note] WSREP: PC protocol downgrade 1 -> 0

2022-01-17 17:05:59 6 [Note] WSREP: view((empty))

2022-01-17 17:05:59 6 [Note] WSREP: gcomm: closed

2022-01-17 17:05:59 0 [Note] WSREP: New COMPONENT: primary = no, bootstrap = no, my_idx = 0, memb_num = 1

2022-01-17 17:05:59 0 [Note] WSREP: Flow-control interval: [16, 16]

2022-01-17 17:05:59 0 [Note] WSREP: Received NON-PRIMARY.

2022-01-17 17:05:59 0 [Note] WSREP: Shifting SYNCED -> OPEN (TO: 15)

2022-01-17 17:05:59 0 [Note] WSREP: New SELF-LEAVE.

2022-01-17 17:05:59 0 [Note] WSREP: Flow-control interval: [0, 0]

2022-01-17 17:05:59 0 [Note] WSREP: Received SELF-LEAVE. Closing connection.

2022-01-17 17:05:59 0 [Note] WSREP: Shifting OPEN -> CLOSED (TO: 15)