Comments on: How much memory Innodb locks really take ?

By: Como resolver o problema do MySQL Error 1206

Como resolver o problema do MySQL Error 1206 — Sun, 08 Jun 2008 06:06:37 +0000

[...] artigo no MySQL Performance Blog (que eu assino o feed) também explica como ocorre o lock em tabelas innodb: in Innodb row level locks are implemented by having special lock table, located in the buffer pool [...]

By: MySQL Error 1206 « Mike R’s Blog

MySQL Error 1206 « Mike R’s Blog — Mon, 23 Oct 2006 20:32:09 +0000

[...] Update (23-Oct-2006) Found what I was looking for about the InnoDB lock table and it’s behavior at MySQL Performance Blog. Update (21-Oct-2006) Found an explanation here which says: “The SQL statement sets locks on all the records it scans. If you have a small buffer pool, then the InnoDB lock table may indeed grow so big that it does not fit in the buffer pool. “ [...]

By: MySQL Performance Blog » SELECT LOCK IN SHARE MODE and FOR UPDATE

MySQL Performance Blog » SELECT LOCK IN SHARE MODE and FOR UPDATE — Sun, 06 Aug 2006 20:56:44 +0000

[...] Lock table Innodb can lock tables but it will still need to set row level locks which is memory and CPU overhead. For some bulk operations it would be more efficient to use table locks. As I tested it really takes some resources. [...]