3 ms·
Readers blocking writes may have been changed in a never version than what we use, but it still exist in at least some versions of 5.x.
by yxhuvud 13y ago
Readers blocking writes may have been changed in a never version than what we use, but it still exist in at least some versions of 5.x.
- AlisdairO 13y agoMy apologies - you're right. In the general case readers don't block writes, but InnoDB does use share locks on some foreign key interactions and when using the SERIALIZABLE isolation level.