Hi Paul: 

On 5/9/09 5:53 AM PDT, "Paul McCullagh" <[email protected]>
wrote:

> Hi Robert,
> 
> On May 8, 2009, at 6:36 PM, Robert Hodges wrote:
> 
>> I think even the slave restart idea has problems, because on restart
>> you can
>> violate serialization requirements on the start transaction.
>> 
> 
> As far as I know, the start time of a transaction is not significant.
> 
> Or do you maybe have an example of where this is the case?
> 
> The start order just helps us to start the transaction on the slave at
> more or less the correct time (to ensure the correct commit order).
> 
> Which means as long as the commit order is maintained, transactions
> can be restarted at any time.
> 
I was having a flashback to statement replication where start time is
significant for any update statement that has a where clause.  Drizzle
replication will be row-based so this does not seem to be a problem.

Cheers, Robert


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