In this case, the modified data is discarded and a subsequent search
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
+large enough to contain the DNs of every entry in the database.
+.TP
.BI idlcachesize \ <integer>
Specify the size of the in-memory index cache, in index slots. The
default is zero. A larger value will speed up frequent searches of