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Waiting for table metadata lock
select * from performance_schema.metadata_locks;
------------
TRANSACTIONS
------------
Trx id counter 4175982358
Purge done for trx's n:o < 4175786676 undo n:o < 0 state: running but idle
History list length 93581
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 421633691734592, not started
0 lock struct(s), heap size 1136, 0 row lock(s)
----- Много транзакций тут ------
---TRANSACTION 421633691516456, not started
0 lock struct(s), heap size 1136, 0 row lock(s)
---TRANSACTION 421633691515264, not started
0 lock struct(s), heap size 1136, 0 row lock(s)
---TRANSACTION 4175819410, ACTIVE 5729 sec
0 lock struct(s), heap size 1136, 0 row lock(s)
MySQL thread id 32293324, OS thread handle 140112719398656, query id 2554773497 0.0.0.0 mysql_user
Trx read view will not see trx with id >= 4175819411, sees < 4175664201
AA
AA
tabl
WHERE tabl
.post_id_media
= '$media'"