Hi All, We have recently upgraded our Production Database to 10.2.0.4 from 10.2.0.2 . It is observed that our performance is getting hampered with* latch: library cache, latch: library cache Lock , cursor: pin S wait on X . **Did any one come accross these problems after upgrading to 10.2.0.4 . Your comments is higly appreciated please. Regards Bala *