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Diffstat (limited to 'mysql-test/suite/galera/t/galera_bf_kill_debug.test')
-rw-r--r-- | mysql-test/suite/galera/t/galera_bf_kill_debug.test | 283 |
1 files changed, 283 insertions, 0 deletions
diff --git a/mysql-test/suite/galera/t/galera_bf_kill_debug.test b/mysql-test/suite/galera/t/galera_bf_kill_debug.test new file mode 100644 index 00000000000..f83d4a28ce9 --- /dev/null +++ b/mysql-test/suite/galera/t/galera_bf_kill_debug.test @@ -0,0 +1,283 @@ +--source include/galera_cluster.inc +--source include/have_debug.inc +--source include/have_debug_sync.inc + +--echo # +--echo # Case 1: We execute bf kill to wsrep_innobase_kill_one_trx +--echo # function just before wsrep_thd_LOCK(thd) call. Then we +--echo # try to kill victim transaction by KILL QUERY +--echo # + +CREATE TABLE t1(id int not null primary key, b int) engine=innodb; +INSERT INTO t1 values (1,1),(2,2),(3,3),(4,4),(5,5); + +# +# This will be victim transaction for both bf kill and +# user KILL +# +--connect node_1a, 127.0.0.1, root, , test, $NODE_MYPORT_1 +begin; +update t1 set b = b * 10 where id between 2 and 4; + +# +# Take thread id for above query +# +--connect node_1b, 127.0.0.1, root, , test, $NODE_MYPORT_1 +--let $k_thread = `SELECT ID FROM INFORMATION_SCHEMA.PROCESSLIST WHERE USER = 'root' AND COMMAND = 'Sleep' LIMIT 1` + +# +# Set DEBUG_SYNC and send conflicting DDL that will be TOI (bf) and +# cause bf_kill +# +--connect node_1c, 127.0.0.1, root, , test, $NODE_MYPORT_1 +SET DEBUG_SYNC='wsrep_before_BF_victim_lock SIGNAL bf_kill WAIT_FOR bf_continue'; +--send ALTER TABLE t1 ADD UNIQUE KEY b1(b); + +# +# Wait until we have reached the sync point +# +--connection node_1 +SET DEBUG_SYNC='now WAIT_FOR bf_kill'; + +# +# Try to kill update query +# +--connection node_1b +--disable_query_log +--send_eval KILL QUERY $k_thread; + + +# +# Let bf_kill continue +# +--connection node_1 +SET DEBUG_SYNC='now SIGNAL bf_continue'; +--connection node_1c +--reap +SHOW CREATE TABLE t1; +SELECT * FROM t1; + +--connection node_1b +--reap +--enable_query_log + +--connection node_1 +SET DEBUG_SYNC= 'RESET'; +DROP TABLE t1; + +--disconnect node_1a +--disconnect node_1b +--disconnect node_1c + +--echo # +--echo # Case 2: We execute bf kill to wsrep_innobase_kill_one_trx +--echo # function just after wsrep_thd_LOCK(thd) call. Then we +--echo # try to kill victim transaction by KILL QUERY +--echo # + +CREATE TABLE t1(id int not null primary key, b int) engine=innodb; +INSERT INTO t1 values (1,1),(2,2),(3,3),(4,4),(5,5); + +# +# This will be victim transaction for both bf kill and +# user KILL +# +--connect node_1a, 127.0.0.1, root, , test, $NODE_MYPORT_1 +begin; +update t1 set b = b * 10 where id between 2 and 4; + +# +# Take thread id for above query +# +--connect node_1b, 127.0.0.1, root, , test, $NODE_MYPORT_1 +--let $k_thread = `SELECT ID FROM INFORMATION_SCHEMA.PROCESSLIST WHERE USER = 'root' AND COMMAND = 'Sleep' LIMIT 1` + +# +# Set DEBUG_SYNC and send conflicting DDL that will be TOI (bf) and +# cause bf_kill +# +--connect node_1c, 127.0.0.1, root, , test, $NODE_MYPORT_1 +SET DEBUG_SYNC='wsrep_after_BF_victim_lock SIGNAL bf_kill WAIT_FOR bf_continue'; +--send ALTER TABLE t1 ADD UNIQUE KEY b1(b); + +# +# Wait until we have reached the sync point +# +--connection node_1 +SET DEBUG_SYNC='now WAIT_FOR bf_kill'; + +# +# Try to kill update query +# +--connection node_1b +--disable_query_log +--send_eval KILL QUERY $k_thread; + +# +# Let bf_kill continue +# +--connection node_1 +SET DEBUG_SYNC='now SIGNAL bf_continue'; +--connection node_1c +--reap +SHOW CREATE TABLE t1; +SELECT * FROM t1; + +--connection node_1b +--reap +--enable_query_log + +--connection node_1 +SET DEBUG_SYNC= 'RESET'; +DROP TABLE t1; + +--disconnect node_1a +--disconnect node_1b +--disconnect node_1c + +--echo # +--echo # Case 3: Create victim transaction and try to send user KILL +--echo # from several threads +--echo # + +CREATE TABLE t1(id int not null primary key, b int) engine=innodb; +INSERT INTO t1 values (1,1),(2,2),(3,3),(4,4),(5,5); + +# +# This will be victim transaction for user KILL +# +--connect node_1a, 127.0.0.1, root, , test, $NODE_MYPORT_1 +begin; +update t1 set b = b * 10 where id between 2 and 4; + +# +# Take thread id for above query +# +--connect node_1b, 127.0.0.1, root, , test, $NODE_MYPORT_1 +--connect node_1c, 127.0.0.1, root, , test, $NODE_MYPORT_1 +--connect node_1d, 127.0.0.1, root, , test, $NODE_MYPORT_1 + +--connection node_1b +--let $k_thread = `SELECT ID FROM INFORMATION_SCHEMA.PROCESSLIST WHERE USER = 'root' AND COMMAND = 'Sleep' LIMIT 1` + +# +# Try to kill update query from several connections concurrently +# +--disable_query_log +--send_eval KILL QUERY $k_thread; + +--connection node_1c +--disable_query_log +--send_eval KILL QUERY $k_thread; + +--connection node_1d +--disable_query_log +--send_eval KILL QUERY $k_thread; + +# +# We do not know execution order so any of these could fail as KILL +# has been already done +# +--connection node_1b +--enable_query_log +--error 0,ER_KILL_DENIED_ERROR +--reap +--connection node_1c +--enable_query_log +--error 0,ER_KILL_DENIED_ERROR +--reap +--connection node_1d +--enable_query_log +--error 0,ER_KILL_DENIED_ERROR +--reap + +--connection node_1 +--disconnect node_1a +--disconnect node_1b +--disconnect node_1c +--disconnect node_1d +DROP TABLE t1; + +--echo # +--echo # Case 4: MDL-conflict, we execute ALTER until we hit gap in +--echo # wsrep_abort_transaction, while we are there we try to +--echo # manually KILL conflicting transaction (UPDATE) and +--echo # send conflicting transaction from other node to be executed +--echo # in this node by applier. As ALTER and KILL are TOI they +--echo # are not executed concurrently. Similarly UPDATE from other +--echo # node will wait for certification. +--echo # + +CREATE TABLE t1(id int not null primary key, b int) engine=innodb; +INSERT INTO t1 values (1,1),(2,2),(3,3),(4,4),(5,5); + +# +# This will be victim transaction for both bf kill and +# user KILL, and should not have any effect on result +# +--connect node_1a, 127.0.0.1, root, , test, $NODE_MYPORT_1 +begin; +update t1 set b = b * 10 where id between 2 and 4; + +# +# Take thread id for above query +# +--connect node_1b, 127.0.0.1, root, , test, $NODE_MYPORT_1 +--let $k_thread = `SELECT ID FROM INFORMATION_SCHEMA.PROCESSLIST WHERE USER = 'root' AND COMMAND = 'Sleep' LIMIT 1` + +# +# Set DEBUG_SYNC and send conflicting DDL that will be TOI (bf) and +# cause bf_kill but let's execute it only to gap in wsrep_abort_transaction +# +--connect node_1c, 127.0.0.1, root, , test, $NODE_MYPORT_1 +SET DEBUG_SYNC='wsrep_abort_victim_unlocked SIGNAL bf_kill_unlocked WAIT_FOR bf_continue'; +--send ALTER TABLE t1 ADD UNIQUE KEY b1(b); + +# +# Wait until we have reached the sync point +# +--connection node_1 +SET DEBUG_SYNC='now WAIT_FOR bf_kill_unlocked'; + +# +# Try to kill update query +# +--connection node_1b +--disable_query_log +--send_eval KILL QUERY $k_thread; + +# +# Send conflicting update from other node, this should be applied on both nodes +# but should not kill ALTER +# +--enable_query_log +--connection node_2 +--send update t1 set b = b + 1000 where id between 2 and 4; + +# +# Let bf_kill continue +# +--connection node_1 +SET DEBUG_SYNC='now SIGNAL bf_continue'; +--connection node_1c +--reap +SHOW CREATE TABLE t1; +SELECT * FROM t1; + +--connection node_1b +--reap +--enable_query_log + +--connection node_1 +SET DEBUG_SYNC= 'RESET'; +SELECT * FROM t1; + +--connection node_2 +--reap +SHOW CREATE TABLE t1; +SELECT * FROM t1; +DROP TABLE t1; + +--disconnect node_1a +--disconnect node_1c + |