[Tarantool-patches] [PATCH v3 2/4] recovery: allow to ignore rows coming from a certain instance

[Serge Petrenko]

> 19 февр. 2020 г., в 13:11, Konstantin Osipov <kostja.osipov at gmail.com> написал(а):
> 
> * Serge Petrenko <sergepetrenko at tarantool.org> [20/02/19 12:36]:
>> I mean taking replica clock from a subscribe request and setting replica_clock[replica->id] = INT64_MAX.
>> This is done on master in relay_subscribe() called from box_process_subscribe(). Then relay recovery is initialized
>> with this vclock making recovery skip rows coming from the replica itself.
> 
> Why is this logic done on master? Why can't you send the right
> vclock from replica?
> 


Cos this strange vclock will be used to initialize gc consumer,
and this gc consumer will be ordered by that vclock signature,
which will overflow.
Anyway, let me send the patch first. This is the same problem
in both cases,  when the logic you propose works either on master or
on replica side.
--
Serge Petrenko
sergepetrenko at tarantool.org


> 
> -- 
> Konstantin Osipov, Moscow, Russia