On Mon, Aug 31, 2015 at 5:48 AM, Bruce Momjian <br...@momjian.us> wrote:
> On Sun, Aug 30, 2015 at 10:08:06PM -0400, Bruce Momjian wrote: > > On Mon, Aug 31, 2015 at 09:53:57AM +0900, Michael Paquier wrote: > > > Well, I have had many such discussions with XC/XL folks, and that > was my > > > opinion. I have seen almost no public discussion about this > because the > > > idea had almost no chance of success. If it was possible, someone > would > > > have already suggested it on this list. > > > > > > > > > Or perhaps people invested in this area had other obligations or lacked > > > motivation and/or time to work to push up for things in core. That's > not > > > possible to know, and what is done is done. > > > > Well, I have talked to everyone privately about this, and concluded that > > while horizontal scalability/sharding is useful, it is unlikely that the > > code volume of something like XC or XL would be accepted into the > > community, and frankly, now that we have FDWs, it is hard to imagine why > > we would _not_ go in the FDW direction. > > Actually, there was hope that XC or XL would get popular enough that it > would justify adding their code into community Postgres, but that never > happened. > AFAIK, XC/XL has already some customers and that is an additional pressure on their development team, which is now called X2. I don't exactly know how internal Huawei's MPPDB is connected to XC/XL. We need community test suite for cluster and our company is working on this. It's non-trivial work, but community will never accepts any cluster solution without thorough testing of functionality and performance. Our XC/XL experience was not good. > > -- > Bruce Momjian <br...@momjian.us> http://momjian.us > EnterpriseDB http://enterprisedb.com > > + Everyone has their own god. + > > > -- > Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) > To make changes to your subscription: > http://www.postgresql.org/mailpref/pgsql-hackers >
