Database Tuning (MOSC)

MOSC Banner

Row cache Lock on DC_USERS

edited May 28, 2013 1:48PM in Database Tuning (MOSC) 5 commentsAnswered ✓


Hi All,

Can some one explain  what is actually Row cache Lock on DC_USERS  is,

During the session execution i noticed the waitevent as Row cache lock which is  frequently getting blocked by another session (this generates every few secs and then expires) doing nothing with a waitevent(Cursor:pins s wait on X) ,


 SQL> select PARAMETER ,COUNT ,GETS ,GETMISSES ,MODIFICATIONS from v$rowcache whe
re cache#=7;

PARAMETER                             COUNT       GETS  GETMISSES MODIFICATIONS
-------------------------------- ---------- ---------- ---------- -------------
dc_users                                102       4687        361             0
dc_users                                333      93574        918             0
dc_users                                  0          0          0             0

i just need an explanation on what actions we need to take if we see high count in (Row cache Lock on DC_USERS), 

Howdy, Stranger!

Log In

To view full details, sign in to My Oracle Support Community.

Register

Don't have a My Oracle Support Community account? Click here to get started.

Category Leaderboard

Top contributors this month

New to My Oracle Support Community? Visit our Welcome Center

MOSC Help Center