| From: | Michael Paquier <michael(dot)paquier(at)gmail(dot)com> |
|---|---|
| To: | Andres Freund <andres(at)anarazel(dot)de> |
| Cc: | Robert Haas <robertmhaas(at)gmail(dot)com>, Jeff Janes <jeff(dot)janes(at)gmail(dot)com>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Re: BUG #13685: Archiving while idle every archive_timeout with wal_level hot_standby |
| Date: | 2015-11-04 07:01:28 |
| Message-ID: | CAB7nPqRB7OU4N7B0otR3BY+pQ0PU5w9QxUy6D_q4YXiAXiB=OQ@mail.gmail.com |
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| Lists: | pgsql-bugs pgsql-hackers |
On Wed, Nov 4, 2015 at 8:39 AM, Andres Freund <andres(at)anarazel(dot)de> wrote:
> On November 4, 2015 12:37:02 AM GMT+01:00, Michael Paquier wrote:
>>On a completely idle system, I don't think we should log any standby
>>records. This is what ~9.3 does.
>
> Are you sure? I think it'll around checkpoints, no? I thought Heikki had fixed that, but looking sound that doesn't seem to be the case.
Er, yes, sorry. I should have used clearer words: I meant idle system
with something running nothing including internal checkpoints. An
instance indeed generates a XLOG_RUNNING_XACTS record before a
checkpoint record on an idle system.
--
Michael
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