will return a different result.
.TP
.BI dncachesize \ <integer>
-Specify the maximum number of DNs in the in-memory DN cache. The
-default is twice the \fBcachesize\fP. Ideally this cache should be
+Specify the maximum number of DNs in the in-memory DN cache.
+Ideally this cache should be
large enough to contain the DNs of every entry in the database. If
set to a smaller value than the \fBcachesize\fP it will be silently
-increased to equal the \fBcachesize\fP.
+increased to equal the \fBcachesize\fP. The default value is 0 which
+means unlimited, i.e. the dncache will grow without bound.
It should be noted that the \fBDN cache\fP is allowed to temporarily
grow beyond the configured size. It does this if many entries are