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谢谢兄弟的关注.
Statistic Total per Second per Trans
--------------------------------- ------------------ -------------- ------------
enqueue timeouts 1 0.0 0.0
enqueue waits 9 0.0 0.0
exchange deadlocks 0 0.0 0.0
execute count 1,588,445 441.1 1.7
free buffer inspected 628 0.2 0.0
free buffer requested 2,180,966 605.7 2.4
hot buffers moved to head of LRU 130,783 36.3 0.1
immediate (CR) block cleanout app 30,312 8.4 0.0
immediate (CURRENT) block cleanou 987,374 274.2 1.1
index fast full scans (rowid rang 0 0.0 0.0
index fetch by key 216,232 60.1 0.2
index scans kdiixs1 450,348 125.1 0.5
leaf node 90-10 splits 562 0.2 0.0
leaf node splits 9,742 2.7 0.0
logons cumulative 350 0.1 0.0
messages received 162,340 45.1 0.2
messages sent 162,340 45.1 0.2
no buffer to keep pinned count 0 0.0 0.0
no work - consistent read gets 2,314,106 642.6 2.5
opened cursors cumulative 219,284 60.9 0.2
parse count (failures) 4 0.0 0.0
parse count (hard) 47 0.0 0.0
parse count (total) 1,159,685 322.1 1.3
parse time cpu 433 0.1 0.0
parse time elapsed 11,015 3.1 0.0
physical reads 2,060,736 572.3 2.2
physical reads direct 164 0.1 0.0
physical writes 295,767 82.1 0.3
physical writes direct 164 0.1 0.0
physical writes non checkpoint 155,808 43.3 0.2
pinned buffers inspected 0 0.0 0.0
prefetch clients - default 0 0.0 0.0
prefetched blocks 1,855,753 515.3 2.0
prefetched blocks aged out before 26 0.0 0.0
process last non-idle time 3,601 1.0 0.0
queries parallelized 0 0.0 0.0
recursive calls 3,946,052 1,095.8 4.3
recursive cpu usage 1,999 0.6 0.0
redo blocks written 4,214,377 1,170.3 4.5
redo buffer allocation retries 73 0.0 0.0
redo entries 7,600,869 2,110.8 8.2
redo log space requests 164 0.1 0.0
redo log space wait time 2,658 0.7 0.0
redo ordering marks 0 0.0 0.0
redo size 2,051,244,068 569,631.8 2,210.8
redo synch time 4,989,392 1,385.6 5.4
redo synch writes 1,142,523 317.3 1.2
redo wastage 38,350,268 10,649.9 41.3
redo write time 357,376 99.2 0.4
redo writer latching time 6 0.0 0.0
redo writes 156,184 43.4 0.2
rollback changes - undo records a 16 0.0 0.0
rows fetched via callback 1,301 0.4 0.0
session connect time 0 0.0 0.0
session logical reads 22,922,921 6,365.7 24.7
session pga memory 1,665,400 462.5 1.8
Instance Activity Stats for DB: test Instance: test Snaps: 496 -497
Statistic Total per Second per Trans
--------------------------------- ------------------ -------------- ------------
session pga memory max 20,079,592 5,576.1 21.6
session uga memory 4,300,003,128 1,194,113.6 4,634.5
session uga memory max 43,879,808 12,185.5 47.3
shared hash latch upgrades - no w 424,394 117.9 0.5
shared hash latch upgrades - wait 10 0.0 0.0
sorts (disk) 0 0.0 0.0
sorts (memory) 855,698 237.6 0.9
sorts (rows) 2,057,690 571.4 2.2
summed dirty queue length 1,594 0.4 0.0
switch current to new buffer 342 0.1 0.0
table fetch by rowid 457,936 127.2 0.5
table fetch continued row 7 0.0 0.0
table scan blocks gotten 2,223,258 617.4 2.4
table scan rows gotten 142,660,573 39,616.9 153.8
table scans (direct read) 0 0.0 0.0
table scans (long tables) 14 0.0 0.0
table scans (rowid ranges) 0 0.0 0.0
table scans (short tables) 215,616 59.9 0.2
transaction rollbacks 18 0.0 0.0
transaction tables consistent rea 0 0.0 0.0
transaction tables consistent rea 0 0.0 0.0
user calls 3,356,061 932.0 3.6
user commits 927,821 257.7 1.0
user rollbacks 0 0.0 0.0
workarea executions - onepass 0 0.0 0.0
workarea executions - optimal 1,629,151 452.4 1.8
write clones created in backgroun 0 0.0 0.0
write clones created in foregroun 679 0.2 0.0
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我的redo log buffer 已经设为10M.
我的1个小时的采样时间,log file sync是不是累计等待用了8个多小时.正常情况下应该是多少呢?
索引看了一下都没有问题.都有有效状态.
依兄弟的意思是与主机存储有关还是与数据库有关呢?
[ 本帖最后由 jeffreyli 于 2006-10-4 11:45 编辑 ] |
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