On Tue, Dec 20, 2016 at 10:38 PM, Fujii Masao <masao.fu...@gmail.com> wrote:
> On Mon, Dec 19, 2016 at 7:51 PM, Vladimir Rusinov <vrusi...@google.com> wrote:
>> The server must also be configured with max_wal_senders set high
>> enough to leave at least one session available for the backup.
> I think that it's better to explain explicitly here that max_wal_senders
> should be higher than one by default.

Recovery tests are broken by this patch, the backup() method in
PostgresNode.pm uses pg_basebackup -x:
sub backup
    my ($self, $backup_name) = @_;
    my $backup_path = $self->backup_dir . '/' . $backup_name;
    my $port        = $self->port;
    my $name        = $self->name;

    print "# Taking pg_basebackup $backup_name from node \"$name\"\n";
    TestLib::system_or_bail('pg_basebackup', '-D', $backup_path, '-p', $port,
        '-x', '--no-sync');
    print "# Backup finished\n";

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