Oracle shared pool memory fragmentation causing ORA-04031 error diagnosed using V$SGASTAT and V$SHARED_POOL_RESERVED on Oracle production database

ORA-04031: Shared Pool Exhaustion — Root Cause and Fix

In the life of an Oracle Database Expert, It usually early morning when the monitoring alert fired. Typically 3 AM in then morning, applications throwing ORA-04031, Developers calling and the on-call DBA logged in to find the shared pool exhausted — Oracle unable to allocate a single new object in memory. No new SQL could Read more about ORA-04031: Shared Pool Exhaustion — Root Cause and Fix[…]