| From: | Bruce Momjian <bruce(at)momjian(dot)us> |
|---|---|
| To: | Simon Riggs <simon(at)2ndQuadrant(dot)com> |
| Cc: | Aidan Van Dyk <aidan(at)highrise(dot)ca>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: synchronous_commit and remote_write |
| Date: | 2012-05-09 11:29:12 |
| Message-ID: | 20120509112912.GA425@momjian.us |
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| Lists: | pgsql-hackers |
On Wed, May 09, 2012 at 08:52:40AM +0100, Simon Riggs wrote:
> >> Well, yes, but in the sequence of:
> >> >> remote_accept
> >> >> remote_write
> >> >> remote_sync
> >>
> >> it is much more clear...
> >>
> >> With a single "remote_write", you can't tell just by itself it that is
> >> intended to be "it's a write *to* the remote", or "it's a write *by*
> >> the remote". But when combined with other terms, only one makes sense
> >> in all cases.
> >
> > Yep. In fact, remote_write I thought meant a remote write, while it
> > currently means a write to the remote. I like remote_accept.
>
> The naming is not arbitrary. -1 to changing it as suggested.
>
> It is as Aidan says, a state between receive and fsync, normally
> referred to as write.
Let me point out that our documentation says nothing about it being
written to the kernel --- it just says "has received the commit record
of the transaction to memory."
--
Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
EnterpriseDB http://enterprisedb.com
+ It's impossible for everything to be true. +
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