InnoDB/MySQL locking is row level, not table level. 

It's highly improbable you'll have any problem like that.

---

Andrea Brancatelli
Schema31 S.p.a.
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Il 2016-02-13 17:26 Matt . ha scritto:

> Hi,
> 
> I'm reviewing how software is acting on loadbalaced MySQL cluster in a
> MultiMaster replication.
> 
> I see some software having issues to a frontend that is balanced on
> weight so if you put a lot of data to the frontend of the cluster, all
> nodes are written and if the software locks the table when it writes
> to it and the software connects again but the loadbalancer says, ok,
> use another server now because the other one is "too busy" you might
> run into trouble.
> 
> My question is in this case, does DBmail lock the tables when it
> writes to it ? otherwise I can sismple change weigth to prio,
> otherwise I will let this be as I don't have these issues (yet) with
> DBmail.
> 
> Thanks!
> 
> Matt
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