Paramètres internes de l’instance

La table x$kvit donne une liste de paramètres dynamiques utilisés au moment du select.

La version 10g remonte la liste suivante :

select KVITTAG
, KVITDSC
, KVITVAL
from x$kvit
/

KVITTAG KVITDSC KVITVAL
-------------------- ---------------------------------------------------------------- ----------
ksbcpu number of logical CPUs in the system used by Oracle 2
ksbcpucore number of physical CPU cores in the system used by Oracle 0
ksbcpusocket number of physical CPU sockets in the system used by Oracle 0
ksbcpu_hwm high water mark of number of CPUs used by Oracle 2
ksbcpucore_hwm high water mark of number of CPU cores on system 0
ksbcpusocket_hwm high water mark of number of CPU sockets on system 0
ksbcpu_actual number of available CPUs in the system 2
ksbcpu_dr CPU dynamic reconfiguration supported 1
kcbnbh number of buffers 136551
kcbldq large dirty queue if kcbclw reaches this 25
kcbfsp Max percentage of LRU list foreground can scan for free 40
kcbcln Initial percentage of LRU list to keep clean 2
kcbnbf number buffer objects 750
kcbwst Flag that indicates recovery or db suspension 0
kcteln Error Log Number for thread open 0
kcvgcw SGA: opcode for checkpoint cross-instance call 0
kcvgcw SGA:opcode for pq checkpoint cross-instance call 0

La version 9i remonte la liste suivante :


KVITTAG KVITDSC KVITVAL
-------------------- ---------------------------------------------------------------- ----------
kcbnbh number of buffers 381120
kcbldq large dirty queue if kcbclw reaches this 25
kcbdsp Max percentage of LRU list dbwriter can scan for dirty 25
kcbfsp Max percentage of LRU list foreground can scan for free 40
kcbnbf number buffer objects 5000
kcbwst Flag that indicates recovery or db suspension 0
kcteln Error Log Number for thread open 0
kcvgcw SGA: opcode for checkpoint cross-instance call 0