Tag Archives: PGA getfail

Error unable to allocate 4160 bytes of shared memory

This note apply to Oracle Database Enterprise Edition – Version 11.2.0.1 to 11.2.0.3 Symptoms: The system appears to be running very slowly and defunct processes can appear. Errors are seen in the alert log or Trace log : 1. ORA-04031 ORA-04031: unable to allocate 4160 bytes of shared memory (“shared pool”,”unknown object”,”sga heap(1,0)”,”modification “) Incident […]