chateau-des-tesnieres.com / 127.0.0.1

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Databases display options.

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Storage engines

InnoDB

Supports transactions, row-level locking, foreign keys and encryption for tables

[ Variables | Buffer Pool | InnoDB Status ]


=====================================
2026-11-12 10:14:11 0x2004 INNODB MONITOR OUTPUT
=====================================
Per second averages calculated from the last 20 seconds
-----------------
BACKGROUND THREAD
-----------------
srv_master_thread loops: 57511 srv_active, 0 srv_shutdown, 1283998 srv_idle
srv_master_thread log flush and writes: 1341509
----------
SEMAPHORES
----------
OS WAIT ARRAY INFO: reservation count 3005931
OS WAIT ARRAY INFO: signal count 448522
RW-shared spins 221386, rounds 6165626, OS waits 175426
RW-excl spins 24381, rounds 187623, OS waits 2253
RW-sx spins 1168, rounds 37774, OS waits 876
Spin rounds per wait: 27.85 RW-shared, 7.70 RW-excl, 32.34 RW-sx
------------------------
LATEST DETECTED DEADLOCK
------------------------
2026-11-10 20:25:33 0x1e28
*** (1) TRANSACTION:
TRANSACTION 11908260, ACTIVE 0 sec inserting
mysql tables in use 1, locked 1
LOCK WAIT 2 lock struct(s), heap size 1128, 1 row lock(s), undo log entries 1
MySQL thread id 780162, OS thread handle 8532, query id 30563563 localhost ::1 root Update
INSERT INTO `iup5tdt_options` (`option_name`, `option_value`, `autoload`) VALUES ('_transient_timeout__om_reg_omYSMp', '1794335253', 'off') ON DUPLICATE KEY UPDATE `option_name` = VALUES(`option_name`), `option_value` = VALUES(`option_value`), `autoload` = VALUES(`autoload`)
*** (1) WAITING FOR THIS LOCK TO BE GRANTED:
RECORD LOCKS space id 3212 page no 58 n bits 256 index option_name of table `wp_cttesnieres`.`iup5tdt_options` trx id 11908260 lock_mode X waiting
Record lock, heap no 64 PHYSICAL RECORD: n_fields 2; compact format; info bits 0
 0: len 30; hex 5f7472616e7369656e745f74696d656f75745f5f776f6f636f6d6d657263; asc _transient_timeout__woocommerc; (total 52 bytes);
 1: len 8; hex 0000000000062be6; asc       + ;;

*** (2) TRANSACTION:
TRANSACTION 11908261, ACTIVE 0 sec inserting
mysql tables in use 1, locked 1
4 lock struct(s), heap size 1128, 3 row lock(s), undo log entries 1
MySQL thread id 780161, OS thread handle 7720, query id 30563564 localhost ::1 root Update
INSERT INTO `iup5tdt_options` (`option_name`, `option_value`, `autoload`) VALUES ('_transient_timeout__om_reg_omYSMp', '1794335253', 'off') ON DUPLICATE KEY UPDATE `option_name` = VALUES(`option_name`), `option_value` = VALUES(`option_value`), `autoload` = VALUES(`autoload`)
*** (2) HOLDS THE LOCK(S):
RECORD LOCKS space id 3212 page no 58 n bits 256 index option_name of table `wp_cttesnieres`.`iup5tdt_options` trx id 11908261 lock_mode X
Record lock, heap no 64 PHYSICAL RECORD: n_fields 2; compact format; info bits 0
 0: len 30; hex 5f7472616e7369656e745f74696d656f75745f5f776f6f636f6d6d657263; asc _transient_timeout__woocommerc; (total 52 bytes);
 1: len 8; hex 0000000000062be6; asc       + ;;

*** (2) WAITING FOR THIS LOCK TO BE GRANTED:
RECORD LOCKS space id 3212 page no 58 n bits 256 index option_name of table `wp_cttesnieres`.`iup5tdt_options` trx id 11908261 lock_mode X locks gap before rec insert intention waiting
Record lock, heap no 64 PHYSICAL RECORD: n_fields 2; compact format; info bits 0
 0: len 30; hex 5f7472616e7369656e745f74696d656f75745f5f776f6f636f6d6d657263; asc _transient_timeout__woocommerc; (total 52 bytes);
 1: len 8; hex 0000000000062be6; asc       + ;;

*** WE ROLL BACK TRANSACTION (1)
------------
TRANSACTIONS
------------
Trx id counter 11941981
Purge done for trx's n:o < 11941977 undo n:o < 0 state: running but idle
History list length 0
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 284275247063184, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
--------
FILE I/O
--------
I/O thread 0 state: native aio handle (insert buffer thread)
I/O thread 1 state: native aio handle (log thread)
I/O thread 2 state: native aio handle (read thread)
I/O thread 3 state: native aio handle (read thread)
I/O thread 4 state: native aio handle (read thread)
I/O thread 5 state: native aio handle (read thread)
I/O thread 6 state: native aio handle (write thread)
I/O thread 7 state: native aio handle (write thread)
I/O thread 8 state: native aio handle (write thread)
I/O thread 9 state: native aio handle (write thread)
Pending normal aio reads: [0, 0, 0, 0] , aio writes: [0, 0, 0, 0] ,
 ibuf aio reads:, log i/o's:, sync i/o's:
Pending flushes (fsync) log: 0; buffer pool: 0
10808237 OS file reads, 1249862 OS file writes, 717511 OS fsyncs
0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 fsyncs/s
-------------------------------------
INSERT BUFFER AND ADAPTIVE HASH INDEX
-------------------------------------
Ibuf: size 1, free list len 27, seg size 29, 4534 merges
merged operations:
 insert 7763, delete mark 2598, delete 1211
discarded operations:
 insert 0, delete mark 0, delete 0
Hash table size 4441, node heap has 1 buffer(s)
Hash table size 4441, node heap has 1 buffer(s)
Hash table size 4441, node heap has 2 buffer(s)
Hash table size 4441, node heap has 1 buffer(s)
Hash table size 4441, node heap has 1 buffer(s)
Hash table size 4441, node heap has 1 buffer(s)
Hash table size 4441, node heap has 1 buffer(s)
Hash table size 4441, node heap has 1 buffer(s)
0.00 hash searches/s, 0.00 non-hash searches/s
---
LOG
---
Log sequence number 16005517540
Log flushed up to   16005517540
Pages flushed up to 16005517540
Last checkpoint at  16005517531
0 pending log flushes, 0 pending chkp writes
415699 log i/o's done, 0.00 log i/o's/second
----------------------
BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 33554432
Dictionary memory allocated 580928
Buffer pool size   1003
Free buffers       0
Database pages     994
Old database pages 346
Modified db pages  0
Percent of dirty pages(LRU & free pages): 0.000
Max dirty pages percent: 75.000
Pending reads 0
Pending writes: LRU 0, flush list 0, single page 0
Pages made young 2762421, not young 15033080
0.00 youngs/s, 0.00 non-youngs/s
Pages read 10808001, created 11897, written 715397
0.00 reads/s, 0.00 creates/s, 0.00 writes/s
No buffer pool page gets since the last printout
Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s
LRU len: 994, unzip_LRU len: 0
I/O sum[0]:cur[0], unzip sum[0]:cur[0]
--------------
ROW OPERATIONS
--------------
0 queries inside InnoDB, 0 queries in queue
0 read views open inside InnoDB
Process ID=9916, Main thread ID=4144, state: sleeping
Number of rows inserted 29800, updated 65942, deleted 32603, read 282770749
0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s
Number of system rows inserted 0, updated 0, deleted 0, read 43091
0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s
----------------------------
END OF INNODB MONITOR OUTPUT
============================