number of current buckets = 0

Hi all,
someone can explain me why select kviival, kviidsc from x$kvii returns the following?

 KVIIVAL KVIIDSC

---------- ----------------------------------------------------------------
         0 number of current  buckets

We are troubles about cache buffer chains misses (80%) We use Oracle 8.0.6.2.0 Enterprise Edition on solaris 7 server. thank's Received on Fri Dec 05 2003 - 04:43:47 CST