On Tue, Jun 1, 2021 at 3:31 PM Etsuro Fujita <etsuro.fuj...@gmail.com> wrote: > > Hi, > > On Fri, May 14, 2021 at 6:08 PM Swathi P <swathi.bluepe...@gmail.com> wrote: > > In our sharding solution, we have multiple coodinator nodes. If we declare > > the table column as serial data type, we might end up having duplicate > > values for id column in the table_a in host_b (data node) as cconnections > > come from multiple coordinatoor nodes and might end up in duplicate key > > violations. > > > > Hence we decided to have the coordinator nodes as stateless and hence > > declared the column with no serial/sequence. Let me know if this makes > > sense. > > It seems reasonable to me to make coodinator nodes stateless, but may > I ask the reason you use multiple coordinator nodes?
Perhaps, as a redundant node to avoid single point of failures? It's just a guess as I'm not the right one to answer that question though. With Regards, Bharath Rupireddy.