mysql锁分析

select * from INNODB_TRX;

select * from innodb_locks;

select * from innodb_lock_waits;

 

select r.trx_id waiting_trx_id,r.trx_mysql_thread_Id waiting_thread,r.trx_query waiting_query,b.trx_id blocking_trx_id,

b.trx_mysql_thread_id blocking_thread,b.trx_query blocking_query 

from information_schema.innodb_lock_waits w inner join information_schema.innodb_trx b 

on b.trx_id = w.blocking_trx_id  inner join information_schema.innodb_trx r on r.trx_id = w.requesting_trx_id;

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