Hi Jonas and Kristian,
The idea of a hybrid approach seems very good. My experience implementing
parallel apply on Tungsten leads me to believe that masters can supply
useful metadata for replication but cannot supply a definitive plan. There
are a number of reasons for this.
1. Slaves do not al
Jonas Oreland writes:
> or perhaps a hybrid approach.
> master does "interesting" annotations
> slave takes decision based on annotations *and* own analysis
Agree.
There should be interesting possibilities to investigate.
One conplication for slave's own analysis is that for large transactions
On Fri, Jul 4, 2014 at 10:26 AM, Kristian Nielsen
wrote:
> Jonas Oreland writes:
>
> >
> > for row-based replication this seems quite "easy".
> >
> > for statement-based replication i image that you would have to add hooks
> > into the "real" code
> > after parsing has been performed, but befor
Jonas Oreland writes:
>
> for row-based replication this seems quite "easy".
>
> for statement-based replication i image that you would have to add hooks
> into the "real" code
> after parsing has been performed, but before the actual execution is
> started (and yes, i know that there is sometim
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