https://fedorahosted.org/389/ticket/409

https://fedorahosted.org/389/attachment/ticket/409/0001-Trac-Ticket-409-Report-during-startup-if-nsslapd-cac.patch

Fix description: adding a code to compare the entry cache size with
the main db file (id2entry.db) size.  If the entry cache size is
less than the db file size, it logs the warning in the error log.

Please note that a related ticket has been opened: Ticket #414 - Improve entry cache auto-sizing