Re: detecting binary backup in progress

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On 05/31/2013 12:36 PM, Andres Freund wrote:
> On 2013-05-31 22:29:45 +0300, Heikki Linnakangas wrote:
>> Note that pg_is_in_backup() just checks for presence of
>> $PGDATA/backup_label. Also note that pg_basebackup doesn't
>> create backup_label in the server. It's included in the backup
>> that's sent to the client, but it's never written to disk in the
>> server. So checking for backup_label manually or with
>> pg_is_in_backup() will return false even if pg_basebackup is
>> running.
>
> Whoa. You are right, but I'd call that a bug. I don't understand
> why we aren't just checking
> XLogCtl->Insert.(nonExclusiveBackups||exlusiveBackup)?
>
> I vote for changing this before we release pg_is_in_backup().

+1

Joe

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Joe Conway
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