sort_area_size=1048576 bytes
SQL> SELECT * FROM v$pgastat					                                                           
NAME                                            VALUE UNIT  
------------------------------------------ ---------- ------
aggregate PGA target parameter               20971520 bytes 
aggregate PGA auto target                     9221120 bytes 
global memory bound                           1048576 bytes 
total PGA inuse                              10814464 bytes 
total PGA allocated                          59012096 bytes 
maximum PGA allocated                       102353920 bytes 
total freeable PGA memory                      655360 bytes 
PGA memory freed back to OS                1552547840 bytes 
total PGA used for auto workareas              237568 bytes 
maximum PGA used for auto workareas           7420928 bytes 
total PGA used for manual workareas                 0 bytes 
maximum PGA used for manual workareas        28975104 bytes 
over allocation count                             660       
bytes processed                            2.0208E+11 bytes 
extra bytes read/written                   7.9063E+11 bytes 
cache hit percentage                          20.35 percent
			
		
 
	
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