From d9b64e65057fd6c934a207fc0141b1be9db3c6bc Mon Sep 17 00:00:00 2001
From: Hari Babu <kommi.haribabu@gmail.com>
Date: Mon, 4 Feb 2019 12:05:33 +1100
Subject: [PATCH] log_file_mode recommended value update

For group read access cluster, the recommended value of
log_file_mode is 0640 to allow reading of log files by the
members of the same group
---
 doc/src/sgml/config.sgml | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/doc/src/sgml/config.sgml b/doc/src/sgml/config.sgml
index b6f5822b84..9308dc1f89 100644
--- a/doc/src/sgml/config.sgml
+++ b/doc/src/sgml/config.sgml
@@ -5443,11 +5443,16 @@ local0.*    /var/log/postgresql
         The default permissions are <literal>0600</literal>, meaning only the
         server owner can read or write the log files.  The other commonly
         useful setting is <literal>0640</literal>, allowing members of the owner's
-        group to read the files.  Note however that to make use of such a
-        setting, you'll need to alter <xref linkend="guc-log-directory"/> to
-        store the files somewhere outside the cluster data directory.  In
-        any case, it's unwise to make the log files world-readable, since
-        they might contain sensitive data.
+        group to read the files.
+       </para>
+       <para>
+        Permissions <literal>0640</literal> are recommended to be compatible with
+        <application>initdb</application> option <option>--allow-group-access</option>.
+       </para>
+       <para>
+        Note however that to make use of any settings other than recommended,
+        you'll need to alter <xref linkend="guc-log-directory"/> to store the files
+        somewhere outside the cluster data directory.
        </para>
        <para>
         This parameter can only be set in the <filename>postgresql.conf</filename>
-- 
2.20.1.windows.1