Re: Proposal: Implement failover on libpq connect level. - Mailing list pgsql-hackers

From Dave Page
Subject Re: Proposal: Implement failover on libpq connect level.
Date
Msg-id CA+OCxozvgxnYFpaqiN1RXQLRbgtW1_aSNNCPZ2jGQMo70BargA@mail.gmail.com
Whole thread Raw
In response to Re: Proposal: Implement failover on libpq connect level.  (Robert Haas <robertmhaas@gmail.com>)
List pgsql-hackers
On Thu, Sep 3, 2015 at 3:56 PM, Robert Haas <robertmhaas@gmail.com> wrote:
> On Thu, Sep 3, 2015 at 4:00 AM, Shulgin, Oleksandr
> <oleksandr.shulgin@zalando.de> wrote:
>> I believe that having a floating IP for the master is much more practical
>> approach and it doesn't require any patch to libpq or modification of the
>> client connection settings.
>
> I think that's a great approach if all the machines are on the same
> subnet.  If they are in different datacenters, it doesn't work.
>
> The amount of opposition to this feature is remarkable considering
> that it's available in Oracle, SQL Server, MongoDB, Cassandra, and
> MySQL.  See for example:
>
> http://docs.mongodb.org/manual/reference/connection-string/
> https://datastax.github.io/python-driver/getting_started.html
>
> This is a small patch with minimal to no downside implementing a
> feature that is present in most or all of the major competing
> products.  We're really doing ourselves a disservice if we reject it.
> I think it would be far better to progress to talking about what
> design we'd be comfortable with, rather than kidding ourselves that a
> feature that everyone else has and which somebody has taken the time
> to implement (thus, obviously it has value for them) and which has
> been discussed to general approval at PGCon developer meetings and
> which has been endorsed on this thread by three committers is somehow
> something that nobody really needs.  Seriously?

+100

-- 
Dave Page
Blog: http://pgsnake.blogspot.com
Twitter: @pgsnake

EnterpriseDB UK: http://www.enterprisedb.com
The Enterprise PostgreSQL Company



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