Re: PostgreSQL advocacy
От
Rakesh Kumar
Тема
Re: PostgreSQL advocacy
Дата
Msg-id
56F01CEE.8050803@gmail.com
Ответ на
Re: PostgreSQL advocacy (Thomas Kellerer)
Список
Дерево обсуждения
PostgreSQL advocacy Mark Morgan Lloyd <markMLl.pgsql-general@telemetry.co.uk>
Re: PostgreSQL advocacy Scott Marlowe <scott.marlowe@gmail.com>
Re: PostgreSQL advocacy Thomas Kellerer <spam_eater@gmx.net>
Re: PostgreSQL advocacy Rakesh Kumar <rakeshkumar464a3@gmail.com>
Re: PostgreSQL advocacy "Jernigan, Kevin" <kmj@amazon.com>
Re: PostgreSQL advocacy Bruce Momjian <bruce@momjian.us>
Re: PostgreSQL advocacy "Jernigan, Kevin" <kmj@amazon.com>
Re: PostgreSQL advocacy Mark Morgan Lloyd <markMLl.pgsql-general@telemetry.co.uk>
Re: PostgreSQL advocacy "Jernigan, Kevin" <kmj@amazon.com>
Re: PostgreSQL advocacy Kevin Grittner <kgrittn@gmail.com>
Re: PostgreSQL advocacy Mark Morgan Lloyd <markMLl.pgsql-general@telemetry.co.uk>
Re: PostgreSQL advocacy Thomas Kellerer <spam_eater@gmx.net>
Re: PostgreSQL advocacy Scott Marlowe <scott.marlowe@gmail.com>
Re: PostgreSQL advocacy Bruce Momjian <bruce@momjian.us>
Re: PostgreSQL advocacy Albe Laurenz <laurenz.albe@wien.gv.at>
Re: PostgreSQL advocacy "Jernigan, Kevin" <kmj@amazon.com>
Re: PostgreSQL advocacy Albe Laurenz <laurenz.albe@wien.gv.at>
On 03/21/2016 10:57 AM, Thomas Kellerer wrote: > So - at least as far as I can tell - it's usually only used where high-availability is really important, e.g. where zero-downtime is required. > If you can live with a short downtime, a hot standby is much cheaper and probably not that much slower. Even the above statement can be challenged , given the rising popularity of nosql databases which are all based on eventual consistency (aka async replication). A PG with BDR and an application designed to read/write only one node via connection mapping can match the high availability requirement of RAC. BTW disk is a single point of failure in RAC.
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