File: innodb_fatal_semaphore_wait_threshold.result

package info (click to toggle)
mariadb-10.3 1%3A10.3.34-0%2Bdeb10u1
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 531,600 kB
  • sloc: cpp: 1,415,326; ansic: 917,243; perl: 58,570; sh: 43,538; pascal: 39,206; java: 33,919; yacc: 32,096; javascript: 15,655; python: 10,576; ruby: 8,684; xml: 5,957; makefile: 4,893; sql: 3,750; asm: 841; lex: 670; php: 22; awk: 20; sed: 16
file content (25 lines) | stat: -rw-r--r-- 806 bytes parent folder | download | duplicates (2) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
 
connect  con1,localhost,root,,;
connect  con2,localhost,root,,;
drop table if exists t1;
connection con1;
create table t1 (id integer, x integer) engine = InnoDB;
insert into t1 values(0, 0);
set DEBUG_DBUG='+d,fatal-semaphore-timeout';
set autocommit=0;
# Sending query on con1,
# the session will hold lock table mutex and sleep
SELECT * from t1 where id = 0 FOR UPDATE;
connection con2;
set autocommit=0;
# Sending query on con2,
# the session will be blocked on the lock table mutex and
# thus be put into sync arry
SELECT * from t1 where id = 0 FOR UPDATE;
connection default;
# Waitting for mysqld to crash
# Mysqld crash was detected
# Waitting for reconnect after mysqld restarts
# Reconnected after mysqld was successfully restarted
# Cleaning up before exit
drop table if exists t1;
# Clean exit