Mysql innodb 分析定位DeadLock的方法

mysql> show engine innodb status \G

*************************** 1. row ***************************

  Type: InnoDB

  Name:

Status:

=====================================

150228 14:36:02 INNODB MONITOR OUTPUT

=====================================

Per second averages calculated from the last 51 seconds

-----------------

BACKGROUND THREAD

-----------------

srv_master_thread loops: 5895 1_second, 5894 sleeps, 563 10_second, 270 background, 270 flush

srv_master_thread log flush and writes: 5920

----------

SEMAPHORES

----------

OS WAIT ARRAY INFO: reservation count 322, signal count 311

Mutex spin waits 11701, rounds 3692, OS waits 17

RW-shared spins 1543, rounds 19172, OS waits 297

RW-excl spins 2, rounds 197, OS waits 6

Spin rounds per wait: 0.32 mutex, 12.43 RW-shared, 98.50 RW-excl

------------

TRANSACTIONS

------------

Trx id counter 2760906

Purge done for trx's n:o < 2760319 undo n:o < 0

History list length 2069

LIST OF TRANSACTIONS FOR EACH SESSION:

---TRANSACTION 0, not started

MySQL thread id 1591, OS thread handle 0x9bae4b40, query id 138667 vobile-To-be-filled-by-O-E-M.local 192.168.5.74 root

---TRANSACTION 0, not started

MySQL thread id 1590, OS thread handle 0x9bb15b40, query id 138666 vobile-To-be-filled-by-O-E-M.local 192.168.5.74 root

---TRANSACTION 2760903, not started

MySQL thread id 1579, OS thread handle 0xa37ffb40, query id 141382 vobile-To-be-filled-by-O-E-M.local 192.168.5.74 root

---TRANSACTION 27608FF, not started

MySQL thread id 1578, OS thread handle 0xa316cb40, query id 141374 vobile-To-be-filled-by-O-E-M.local 192.168.5.74 root

---TRANSACTION 27608FD, not started

MySQL thread id 1577, OS thread handle 0xa33ffb40, query id 141370 vobile-To-be-filled-by-O-E-M.local 192.168.5.74 root

---TRANSACTION 2760900, not started

MySQL thread id 1576, OS thread handle 0xa6a6cb40, query id 141377 vobile-To-be-filled-by-O-E-M.local 192.168.5.74 root

---TRANSACTION 2760902, not started

MySQL thread id 1575, OS thread handle 0xa45ffb40, query id 141381 vobile-To-be-filled-by-O-E-M.local 192.168.5.74 root

---TRANSACTION 2760905, not started

MySQL thread id 1574, OS thread handle 0xa456cb40, query id 141386 vobile-To-be-filled-by-O-E-M.local 192.168.5.74 root

---TRANSACTION 2760904, not started

MySQL thread id 1573, OS thread handle 0x9f0ffb40, query id 141384 vobile-To-be-filled-by-O-E-M.local 192.168.5.74 root

---TRANSACTION 2760901, not started

MySQL thread id 1571, OS thread handle 0xa3c3bb40, query id 141379 vobile-To-be-filled-by-O-E-M.local 192.168.5.74 root

---TRANSACTION 27608FE, not started

MySQL thread id 1572, OS thread handle 0xa406cb40, query id 141372 vobile-To-be-filled-by-O-E-M.local 192.168.5.74 root

---TRANSACTION 0, not started

MySQL thread id 1562, OS thread handle 0x9f26cb40, query id 138186 vobile-To-be-filled-by-O-E-M.local 192.168.5.74 root

---TRANSACTION 0, not started

MySQL thread id 1550, OS thread handle 0x9be6cb40, query id 128598 vobile-To-be-filled-by-O-E-M.local 192.168.5.74 root

---TRANSACTION 0, not started

MySQL thread id 1549, OS thread handle 0xa6aceb40, query id 128597 vobile-To-be-filled-by-O-E-M.local 192.168.5.74 root

---TRANSACTION 27608FA, not started

MySQL thread id 1540, OS thread handle 0x9f33bb40, query id 141362 vobile-To-be-filled-by-O-E-M.local 192.168.5.74 root

---TRANSACTION 27608F9, not started

MySQL thread id 1539, OS thread handle 0x9f36cb40, query id 141359 vobile-To-be-filled-by-O-E-M.local 192.168.5.74 root

---TRANSACTION 27608F8, not started

MySQL thread id 1538, OS thread handle 0x9f39db40, query id 141358 vobile-To-be-filled-by-O-E-M.local 192.168.5.74 root

---TRANSACTION 27608F5, not started

MySQL thread id 1535, OS thread handle 0x9f3ffb40, query id 141351 vobile-To-be-filled-by-O-E-M.local 192.168.5.74 root

---TRANSACTION 27608F4, not started

MySQL thread id 1534, OS thread handle 0xa3c6cb40, query id 141349 vobile-To-be-filled-by-O-E-M.local 192.168.5.74 root

---TRANSACTION 27608F3, not started

MySQL thread id 1533, OS thread handle 0xa459db40, query id 141347 vobile-To-be-filled-by-O-E-M.local 192.168.5.74 root

---TRANSACTION 27608FB, not started

MySQL thread id 1532, OS thread handle 0xa379db40, query id 141363 vobile-To-be-filled-by-O-E-M.local 192.168.5.74 root

---TRANSACTION 27608F2, not started

MySQL thread id 1530, OS thread handle 0xa6a3bb40, query id 141345 vobile-To-be-filled-by-O-E-M.local 192.168.5.74 root

---TRANSACTION 27608F7, not started

MySQL thread id 1529, OS thread handle 0xa6a0ab40, query id 141355 vobile-To-be-filled-by-O-E-M.local 192.168.5.74 root

---TRANSACTION 27608F6, not started

MySQL thread id 1528, OS thread handle 0xa6a9db40, query id 141354 vobile-To-be-filled-by-O-E-M.local 192.168.5.74 root

---TRANSACTION 0, not started

MySQL thread id 1519, OS thread handle 0xa31ceb40, query id 128244 vobile-To-be-filled-by-O-E-M.local 192.168.5.74 root

---TRANSACTION 27605F0, not started

MySQL thread id 1478, OS thread handle 0xa3c9db40, query id 139797 vobile-To-be-filled-by-O-E-M.local 192.168.5.74 root

---TRANSACTION 27605EF, not started

MySQL thread id 1477, OS thread handle 0xa45ceb40, query id 139795 vobile-To-be-filled-by-O-E-M.local 192.168.5.74 root

---TRANSACTION 27605ED, not started

MySQL thread id 1476, OS thread handle 0xa399db40, query id 139791 vobile-To-be-filled-by-O-E-M.local 192.168.5.74 root

---TRANSACTION 27605EE, not started

MySQL thread id 1475, OS thread handle 0x9f23bb40, query id 139793 vobile-To-be-filled-by-O-E-M.local 192.168.5.74 root

---TRANSACTION 27605EC, not started

MySQL thread id 1474, OS thread handle 0x9f2ffb40, query id 139789 vobile-To-be-filled-by-O-E-M.local 192.168.5.74 root

---TRANSACTION 27605F3, not started

MySQL thread id 1473, OS thread handle 0xa403bb40, query id 139803 vobile-To-be-filled-by-O-E-M.local 192.168.5.74 root

---TRANSACTION 27605F1, not started

MySQL thread id 1479, OS thread handle 0xa373bb40, query id 139799 vobile-To-be-filled-by-O-E-M.local 192.168.5.74 root

---TRANSACTION 27605F2, not started

MySQL thread id 1472, OS thread handle 0xa6c6db40, query id 139801 vobile-To-be-filled-by-O-E-M.local 192.168.5.74 root

---TRANSACTION 0, not started

MySQL thread id 1142, OS thread handle 0xa376cb40, query id 141387 localhost vobile

show engine innodb status

---TRANSACTION 27608AB, not started

MySQL thread id 1140, OS thread handle 0xa6c9eb40, query id 141203 vobile-To-be-filled-by-O-E-M.local 192.168.5.74 root

---TRANSACTION 2755281, not started

MySQL thread id 992, OS thread handle 0xa453bb40, query id 58433 ubuntu.local 192.168.5.73 root

--------

FILE I/O

--------

I/O thread 0 state: waiting for i/o request (insert buffer thread)

I/O thread 1 state: waiting for i/o request (log thread)

I/O thread 2 state: waiting for i/o request (read thread)

I/O thread 3 state: waiting for i/o request (read thread)

I/O thread 4 state: waiting for i/o request (read thread)

I/O thread 5 state: waiting for i/o request (read thread)

I/O thread 6 state: waiting for i/o request (write thread)

I/O thread 7 state: waiting for i/o request (write thread)

I/O thread 8 state: waiting for i/o request (write thread)

I/O thread 9 state: waiting for i/o request (write thread)

Pending normal aio reads: 0 [0, 0, 0, 0] , aio writes: 0 [0, 0, 0, 0] ,

 ibuf aio reads: 0, log i/o's: 0, sync i/o's: 0

Pending flushes (fsync) log: 0; buffer pool: 0

35216 OS file reads, 3101 OS file writes, 2163 OS fsyncs

0.69 reads/s, 16384 avg bytes/read, 0.31 writes/s, 0.31 fsyncs/s

-------------------------------------

INSERT BUFFER AND ADAPTIVE HASH INDEX

-------------------------------------

Ibuf: size 1, free list len 5, seg size 7, 30 merges

merged operations:

 insert 157, delete mark 7, delete 0

discarded operations:

 insert 0, delete mark 0, delete 0

Hash table size 553253, node heap has 7 buffer(s)

666.48 hash searches/s, 30.12 non-hash searches/s

---

LOG

---

Log sequence number 15892236502

Log flushed up to   15892236492

Last checkpoint at  15892236492

0 pending log writes, 0 pending chkp writes

1635 log i/o's done, 0.16 log i/o's/second

----------------------

BUFFER POOL AND MEMORY

----------------------

Total memory allocated 135987200; in additional pool allocated 0

Dictionary memory allocated 20949767

Buffer pool size   8192

Free buffers       0

Database pages     8185

Old database pages 3001

Modified db pages  1

Pending reads 0

Pending writes: LRU 0, flush list 0, single page 0

Pages made young 27491, not young 0

0.69 youngs/s, 0.00 non-youngs/s

Pages read 37064, created 165, written 1857

0.69 reads/s, 0.00 creates/s, 0.08 writes/s

Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000

Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s

LRU len: 8185, unzip_LRU len: 0

I/O sum[39]:cur[0], unzip sum[0]:cur[0]

--------------

ROW OPERATIONS

--------------

0 queries inside InnoDB, 0 queries in queue

1 read views open inside InnoDB

Main thread process no. 1085, id 2792565568, state: sleeping

Number of rows inserted 1089, updated 668, deleted 5, read 2488907

0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 766.16 reads/s

----------------------------

END OF INNODB MONITOR OUTPUT
============================

看你的mysql现在已提供什么存储引擎:
mysql> show engines;

看你的mysql当前默认的存储引擎:
mysql> show variables like '%storage_engine%';

你要看某个表用了什么引擎(在显示结果里参数engine后面的就表示该表当前用的存储引擎):
mysql> show create table 表名;

其他可以参考的资料：
http://blog.chinaunix.net/uid-9950859-id-181376.html http://www.aichengxu.com/view/24054