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Added t/pt-deadlock-logger/samples/bug_1082104.txt & changed the username regex per Daniel's comments

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Brian Fraser
2012-12-12 02:43:30 -03:00
parent 9b17aacb04
commit 3cab0e1b95
2 changed files with 59 additions and 2 deletions
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8
bin/pt-deadlock-logger
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@@ -3757,8 +3757,8 @@ my $d = qr/(\d+)/; # Digit
my $t = qr/((?:\d+ \d+)|(?:[A-Fa-f0-9]+))/; # Transaction ID
my $i = qr/((?:\d{1,3}\.){3}\d+)/; # IP address
my $n = qr/([^`\s]+)/; # MySQL object name
my $u = qr/((?!\b[0-9]+\b)\S+)/; # Username. This is somewhat wrong, but
# usernames with spcaes are rare enough.
my $u = qr/(\S+)/; # Username. This is somewhat wrong, but
# usernames with spaces are rare enough.
my $s = qr/(\d{6} .\d:\d\d:\d\d)/; # InnoDB timestamp
# A thread's proc_info can be at least 98 different things I've found in the
@@ -4388,6 +4388,10 @@ held lock, you're looking at the same lock, so of course you'd prefer to see
both wait-for locks and get more information. If the two waited-for locks are
not on the same table, more than two transactions were involved in the deadlock.
Finally, keep in mind that, because usernames with spaces are not quoted by
InnoDB, the tool will generally misreport the second word of these usernames
as the hostname.
=head1 OPTIONS
This tool accepts additional command-line arguments. Refer to the

53
t/pt-deadlock-logger/samples/bug_1082104.txt Normal file
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@@ -0,0 +1,53 @@
=====================================
070915 15:34:37 INNODB MONITOR OUTPUT
=====================================
Per second averages calculated from the last 24 seconds
------------------------
LATEST DETECTED DEADLOCK
------------------------
111212 22:52:42
*** (1) TRANSACTION:
TRANSACTION 3405, ACTIVE 161 sec starting index read
mysql tables in use 1, locked 1
LOCK WAIT 3 lock struct(s), heap size 376, 3 row lock(s), undo log entries 2
MySQL thread id 19, OS thread handle 0x7fac301e4700, query id 180 localhost ro-ot Updating
update a set movie_id=96 where id =2
*** (1) WAITING FOR THIS LOCK TO BE GRANTED:
RECORD LOCKS space id 0 page no 307 n bits 72 index `PRIMARY` of table `test`.`a` trx id 3405 lock_mode X locks rec but not gap waiting
Record lock, heap no 3 PHYSICAL RECORD: n_fields 6; compact format; info bits 0
0: len 4; hex 80000002; asc ;;
1: len 6; hex 000000003404; asc 4 ;;
2: len 7; hex 040000163b2515; asc ;% ;;
3: len 4; hex 80000063; asc c;;
4: len 1; hex 01; asc ;;
5: len 8; hex 8000124a7c1acb8c; asc J| ;;
*** (2) TRANSACTION:
TRANSACTION 3404, ACTIVE 1026 sec starting index read
mysql tables in use 1, locked 1
3 lock struct(s), heap size 376, 2 row lock(s), undo log entries 1
MySQL thread id 18, OS thread handle 0x7fac30225700, query id 181 localhost ro-ot Updating
update a set movie_id=98 where id =4
*** (2) HOLDS THE LOCK(S):
RECORD LOCKS space id 0 page no 307 n bits 72 index `PRIMARY` of table `test`.`a` trx id 3404 lock_mode X locks rec but not gap
Record lock, heap no 3 PHYSICAL RECORD: n_fields 6; compact format; info bits 0
0: len 4; hex 80000002; asc ;;
1: len 6; hex 000000003404; asc 4 ;;
2: len 7; hex 040000163b2515; asc ;% ;;
3: len 4; hex 80000063; asc c;;
4: len 1; hex 01; asc ;;
5: len 8; hex 8000124a7c1acb8c; asc J| ;;
*** (2) WAITING FOR THIS LOCK TO BE GRANTED:
RECORD LOCKS space id 0 page no 307 n bits 72 index `PRIMARY` of table `test`.`a` trx id 3404 lock_mode X locks rec but not gap waiting
Record lock, heap no 5 PHYSICAL RECORD: n_fields 6; compact format; info bits 0
0: len 4; hex 80000004; asc ;;
1: len 6; hex 000000003405; asc 4 ;;
2: len 7; hex 0500000e7017e8; asc p ;;
3: len 4; hex 80000062; asc b;;
4: len 1; hex 01; asc ;;
5: len 8; hex 8000124a7c1acbb6; asc J| ;;
*** WE ROLL BACK TRANSACTION (2)
END OF INNODB MONITOR OUTPUT
============================