arent Latch Statistics DB: PRODSIS Instance: prodsis Snaps: 5021 -5131
-> only latches with sleeps are shown
-> ordered by name
Get Spin &
Latch Name Requests Misses Sleeps Sleeps 1->4
------------------------ -------------- ----------- ---------- ------------
Consistent RBA 3,696,675 187 22 165/22/0/0/0
FAL request queue 439 3 1 2/1/0/0/0
FOB s.o list latch 328,630 32 21 11/21/0/0/0
archive process latch 3,060 225 136 90/134/1/0/0
cache buffer handles 159,117,233 58,770 2,363 56410/2357/3
/0/0
child cursor hash table 51,065,397 11,485 391 11098/383/4/
0/0
dml lock allocation 49,141,759 40,101 1,860 38245/1852/4
/0/0
dummy allocation 262,878 124 53 71/53/0/0/0
enqueue hash chains 781 1 1 0/1/0/0/0
enqueues 29,708,847 18,083 2,133 15960/2113/1
0/0/0
lgwr LWN SCN 3,697,925 1,695 7 1688/7/0/0/0
library cache 46 2 1 1/1/0/0/0
list of block allocation 467,016 69 6 63/6/0/0/0
messages 11,328,733 1,086 182 905/180/1/0/
0
mostly latch-free SCN 3,729,181 24,871 626 24246/624/1/
0/0
multiblock read objects 216,809,697 615,056 104,396 512267/10118
4/1603/2/0
process allocation 49,534 118 48 74/41/2/1/0
process group creation 90,286 10 8 2/8/0/0/0
redo writing 11,209,235 100 21 79/21/0/0/0
row cache enqueue latch 767,813,675 1,434,242 6,620 1427651/6563