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我单位一台SUN V880,4CPU,内存8G,硬盘72G*6(1或1.5万转?),一个做系统盘,另5个做RAID5,SUNOS 5.8+ORACLE 8.1.7,在数据库中做大批量数据的INSERT或UPDATE时,top和sar均提示IO等待高达50%以上,另外FTP大文件到这台机子也提示IO等待30%以上,总体性能还不如另一台HP LH6000(2CPU,内存2G,REDHAT LINUX 7.2+ORACLE 8.1.6)。请各位高手不吝赐教,是硬件还是软件原因?
# sar 1 10
SunOS server 5.8 Generic_108528-27 sun4u 04/13/04
09:47:56 %usr %sys %wio %idle
09:47:57 1 2 61 36
09:47:58 0 2 62 36
09:47:59 1 2 52 45
09:48:00 0 0 53 47
09:48:01 1 0 53 46
09:48:02 2 1 58 39
09:48:03 1 1 58 40
09:48:04 1 1 51 47
09:48:05 2 0 63 35
09:48:06 0 1 59 40
Average 1 1 57 41
#top
load averages: 0.02, 0.03, 0.04 09:53:09
82 processes: 81 sleeping, 1 on cpu
CPU states: 46.4% idle, 0.0% user, 0.9% kernel, 52.6% iowait, 0.0% swap
Memory: 8192M real, 1732M free, 4850M swap in use, 5780M swap free
PID USERNAME THR PRI NICE SIZE RES STATE TIME CPU COMMAND
14768 oracle 258 58 0 0K 0K sleep 1:59 0.30% oracle
18314 root 1 52 0 2064K 1216K cpu/1 0:00 0.06% top
80 root 14 11 0 8024K 6384K sleep 42:29 0.02% picld
341 root 1 28 10 3928K 2672K sleep 0:06 0.01% nsrindexd
16223 oracle 1 58 0 0K 0K sleep 6:11 0.00% oracle
18089 oracle 1 58 0 0K 0K sleep 3:41 0.00% oracle
14816 oracle 11 58 0 0K 0K sleep 1:39 0.00% oracle
14770 oracle 11 58 0 0K 0K sleep 0:58 0.00% oracle
14772 oracle 11 58 0 0K 0K sleep 0:16 0.00% oracle
644 root 1 59 0 38M 79M sleep 0:14 0.00% Xsun
18294 oracle 1 58 0 0K 0K sleep 0:11 0.00% oracle
14820 oracle 11 58 0 0K 0K sleep 0:10 0.00% oracle
15261 oracle 11 58 0 0K 0K sleep 0:08 0.00% oracle
222 root 11 58 0 2784K 1944K sleep 0:05 0.00% nscd
14774 oracle 1 58 0 0K 0K sleep 0:04 0.00% oracle
# iostat -E
sd6 Soft Errors: 0 Hard Errors: 0 Transport Errors: 0
Vendor: TOSHIBA Product: DVD-ROM SD-M1401 Revision: 1009 Serial No: 12/20/00
Size: 18446744073.71GB <-1 bytes>;
Media Error: 0 Device Not Ready: 0 No Device: 0 Recoverable: 0
Illegal Request: 0 Predictive Failure Analysis: 0
ssd0 Soft Errors: 0 Hard Errors: 0 Transport Errors: 0
Vendor: SEAGATE Product: ST373405FSUN72G Revision: 0638 Serial No: 0231K23SMZ
Size: 73.40GB <73400057856 bytes>;
Media Error: 0 Device Not Ready: 0 No Device: 0 Recoverable: 0
Illegal Request: 0 Predictive Failure Analysis: 0
ssd1 Soft Errors: 0 Hard Errors: 0 Transport Errors: 0
Vendor: SEAGATE Product: ST373405FSUN72G Revision: 0638 Serial No: 0231K23V2T
Size: 73.40GB <73400057856 bytes>;
Media Error: 0 Device Not Ready: 0 No Device: 0 Recoverable: 0
Illegal Request: 0 Predictive Failure Analysis: 0
ssd2 Soft Errors: 0 Hard Errors: 0 Transport Errors: 0
Vendor: SEAGATE Product: ST373405FSUN72G Revision: 0638 Serial No: 0231K23SNN
Size: 73.40GB <73400057856 bytes>;
Media Error: 0 Device Not Ready: 0 No Device: 0 Recoverable: 0
Illegal Request: 0 Predictive Failure Analysis: 0
ssd3 Soft Errors: 0 Hard Errors: 0 Transport Errors: 0
Vendor: SEAGATE Product: ST373405FSUN72G Revision: 0638 Serial No: 0231K23RSL
Size: 73.40GB <73400057856 bytes>;
Media Error: 0 Device Not Ready: 0 No Device: 0 Recoverable: 0
Illegal Request: 0 Predictive Failure Analysis: 0
ssd4 Soft Errors: 0 Hard Errors: 0 Transport Errors: 0
Vendor: SEAGATE Product: ST373405FSUN72G Revision: 0638 Serial No: 0231K23SVD
Size: 73.40GB <73400057856 bytes>;
Media Error: 0 Device Not Ready: 0 No Device: 0 Recoverable: 0
Illegal Request: 0 Predictive Failure Analysis: 0
ssd5 Soft Errors: 0 Hard Errors: 0 Transport Errors: 0
Vendor: SEAGATE Product: ST373405FSUN72G Revision: 0638 Serial No: 0231K23VLG
Size: 73.40GB <73400057856 bytes>;
Media Error: 0 Device Not Ready: 0 No Device: 0 Recoverable: 0
Illegal Request: 0 Predictive Failure Analysis: 0
# df -k
Filesystem kbytes used avail capacity Mounted on
/dev/dsk/c1t0d0s0 10327372 1977574 8246525 20% /
/proc 0 0 0 0% /proc
fd 0 0 0 0% /dev/fd
mnttab 0 0 0 0% /etc/mnttab
swap 5917088 16 5917072 1% /var/run
swap 5917480 408 5917072 1% /tmp
/dev/md/dsk/d5 276753209 235813844 38171833 87% /oracle
/dev/dsk/c1t0d0s7 50552800 16670723 33376549 34% /export/home
#more init.ora
open_cursors = 300
max_enabled_roles = 30
open_links = 200
processes = 300
db_block_buffers = 500000
shared_pool_size = 512000000
large_pool_size = 157286400
java_pool_size = 31457280
log_buffer = 1048576
sort_area_size = 10485760
sort_area_retained_size = 10485760
log_checkpoint_interval = 10000
log_checkpoint_timeout = 1800
db_block_size = 8192
remote_login_passwordfile = exclusive
os_authent_prefix = ""
job_queue_processes = 4
job_queue_interval = 60
distributed_transactions = 10
compatible = "8.1.0" |
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