Re: Dividing progress/debug information in pg_standby, and stat before copy - Mailing list pgsql-hackers

From Fujii Masao
Subject Re: Dividing progress/debug information in pg_standby, and stat before copy
Date
Msg-id 3f0b79eb1001260648m49f4b5c6ne28b3b1d6ace1928@mail.gmail.com
Whole thread Raw
In response to Re: Dividing progress/debug information in pg_standby, and stat before copy  (Heikki Linnakangas <heikki.linnakangas@enterprisedb.com>)
List pgsql-hackers
On Tue, Jan 26, 2010 at 8:54 PM, Heikki Linnakangas
<heikki.linnakangas@enterprisedb.com> wrote:
> Simon Riggs wrote:
>> Currently, we had presumed
>> that standby_mode = off would be the same as Warm Standby replication,
>> using pg_standby or other.
>
> That's still true. standby_mode=off is the same as what you have in PG
> 8.4. You can still use pg_standby etc. with that.
>
>> pg_standby checks file size before returning. If you just use "cp" as
>> suggested then it would fail because the copy would start before the
>> file is ready to be copied.
>
> True. You could work around that by using a script instead of plain
> 'cp', or by making sure that no partial files appear in the archive in
> the other end.

How about just retrying SR instead of emitting a FATAL error in
RestoreArchivedFile() when a partial WAL file has been restored?

Regards,

-- 
Fujii Masao
NIPPON TELEGRAPH AND TELEPHONE CORPORATION
NTT Open Source Software Center


pgsql-hackers by date:

Previous
From: Robert Haas
Date:
Subject: Re: Dividing progress/debug information in pg_standby, and stat before copy
Next
From: Robert Haas
Date:
Subject: Re: Review of Writeable CTE Patch