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[Bug 242520] passwd: compat, group:compat in nsswitch.conf causes bad LDAP performance
  • From: bugzilla_noreply@xxxxxxxxxx
  • Date: Tue, 13 Feb 2007 03:48:55 -0700 (MST)
  • Message-id: <20070213104855.4683025C887@xxxxxxxxxxxxxxxxxxxxxx>

forsberg@xxxxxxxxx changed:

What |Removed |Added
Info Provider|forsberg@xxxxxxxxx |

------- Comment #5 from forsberg@xxxxxxxxx 2007-02-13 03:48 MST -------

I tested by configuring an OpenSUSE host to use nss_ldap as nss backend
(configuration done using Yast in the ldap client tool, to make sure it was
configured the suse way), talking to a Novell eDirectory server which contains
groups that are large, then watching the LDAP traffic using ethereal. Each
login generates a large amount of queries, especially as eDirectory uses the
groupOfNames LDAP object class, which means nss_ldap has to translate from DN
to uid for each member of each group.

Using the same host, changing the lines in /etc/nsswitch.conf to use 'files
ldap', a much more optimized LDAP query is sent.

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