example-config: Add blocking setting to dovecot-ldap.conf.ext

diff --git a/doc/example-config/dovecot-ldap.conf.ext b/doc/example-config/dovecot-ldap.conf.ext
index 942ece5a039c21cdf6917081a6049a189df484fe..f4a65f2921de9038d39efb513f984fbc97f4c35b 100644 (file)
--- a/doc/example-config/dovecot-ldap.conf.ext
+++ b/doc/example-config/dovecot-ldap.conf.ext
@@ -140,3 +140,12 @@ base =
 # Default password scheme. "{scheme}" before password overrides this.
 # List of supported schemes is in: http://wiki2.dovecot.org/Authentication
 #default_pass_scheme = CRYPT
+
+# By default all LDAP lookups are performed by the auth master process.
+# If blocking=yes, auth worker processes are used to perform the lookups.
+# Each auth worker process creates its own LDAP connection so this can
+# increase parallelism. With blocking=no the auth master process can
+# keep 8 requests pipelined for the LDAP connection, while with blocking=yes
+# each connection has a maximum of 1 request running. For small systems the
+# blocking=no is sufficient and uses less resources.
+#blocking = no