Only the core CPU usage high sys what creating instance of database using dbca
When you use dbca to create the database instanceUse of the high sys JUST ONLY a core processor
How do I solve this
see this:
top - 09:28:19 up 55 days, 20:38, 10 users, load average: 1.00, 1.08, 1.31
Tasks: 1231 total, 2 running, 1228 sleeping, 0 stopped, 1 zombie
Cpu(s): 0.0%us, 1.3%sy, 0.0%ni, 98.7%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Mem: 57588328k total, 55028620k used, 2559708k free, 196852k buffers
Swap: 16386292k total, 23156k used, 16363136k free, 23011232k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
11343 oracle 25 0 1771m 30m 23m R 99.7 0.1 5:36.39 oracle
3692 oracle 16 0 13948 2348 816 S 1.6 0.0 17:00.94 top
11432 root 15 0 13540 2024 820 R 1.3 0.0 0:00.21 top
11034 oracle 16 0 737m 171m 33m S 0.3 0.3 0:52.39 java
11435 oracle 15 0 66056 1596 1180 S 0.3 0.0 0:00.01 bash
1 root 15 0 784 172 160 S 0.0 0.0 38:56.76 init
2 root RT -5 0 0 0 S 0.0 0.0 0:00.58 migration/0
3 root 34 19 0 0 0 S 0.0 0.0 0:00.75 ksoftirqd/0
4 root RT -5 0 0 0 S 0.0 0.0 0:00.00 watchdog/0
5 root RT -5 0 0 0 S 0.0 0.0 0:00.81 migration/1
6 root 34 19 0 0 0 S 0.0 0.0 0:00.00 ksoftirqd/1
7 root RT -5 0 0 0 S 0.0 0.0 0:00.00 watchdog/1
8 root RT -5 0 0 0 S 0.0 0.0 0:02.53 migration/2
mpstat info[root@localhost ~]# mpstat -P ALL 2
Linux 2.6.18-164.el5 (localhost.localdomain) 09/12/12
09:29:09 CPU %user %nice %sys %iowait %irq %soft %steal %idle intr/s
09:29:11 all 0.01 0.00 1.27 0.01 0.00 0.01 0.00 98.69 1658.29
09:29:11 0 0.50 0.00 0.00 0.00 0.00 0.50 0.00 98.99 1657.29
....
09:29:11 73 0.00 0.00 0.00 0.00 0.00 0.00 0.00 100.00 0.00
09:29:11 74 0.00 0.00 100.00 0.00 0.00 0.00 0.00 0.00 0.00
09:29:11 75 0.00 0.00 0.00 0.00 0.00 0.00 0.00 100.00 0.00
09:29:11 76 0.00 0.00 0.00 0.00 0.00 0.00 0.00 100.00 0.00
09:29:11 77 0.00 0.00 0.00 0.00 0.00 0.00 0.00 100.00 0.00
09:29:11 78 0.00 0.00 0.00 0.00 0.00 0.00 0.00 100.00 0.00
09:29:11 79 0.00 0.00 0.00 0.00 0.00 0.00 0.00 100.00 0.00
09:29:11 CPU %user %nice %sys %iowait %irq %soft %steal %idle intr/s
09:29:13 all 0.01 0.00 1.26 0.01 0.00 0.02 0.00 98.70 1761.19
09:29:13 0 0.50 0.00 0.50 1.00 0.00 1.99 0.00 96.02 1761.19
....
09:29:13 71 0.00 0.00 0.00 0.00 0.00 0.00 0.00 100.00 0.00
09:29:13 72 0.00 0.00 0.00 0.00 0.00 0.00 0.00 100.00 0.00
09:29:13 73 0.00 0.00 0.00 0.00 0.00 0.00 0.00 100.00 0.00
09:29:13 74 0.00 0.00 100.00 0.00 0.00 0.00 0.00 0.00 0.00
09:29:13 75 0.00 0.00 0.00 0.00 0.00 0.00 0.00 100.00 0.00
09:29:13 76 0.00 0.00 0.00 0.00 0.00 0.00 0.00 100.00 0.00
09:29:13 77 0.00 0.00 0.00 0.00 0.00 0.00 0.00 100.00 0.00
09:29:13 78 0.00 0.00 0.00 0.00 0.00 0.00 0.00 100.00 0.00
09:29:13 79 0.00 0.00 0.00 0.00 0.00 0.00 0.00 100.00 0.00
You can see there is only a single CPU CORE (core 74 but is random, other core have same status but just a CPU core)[root@localhost ~]# vmstat -S m 2
procs -----------memory---------- ---swap-- -----io---- --system-- -----cpu------
r b swpd free buff cache si so bi bo in cs us sy id wa st
3 0 23 1861 203 24267 0 0 8 12 0 0 0 0 99 0 0
4 0 23 1845 203 24262 0 0 602 16460 3682 8121 2 2 96 1 0
3 0 23 1842 203 24276 0 0 692 7520 3297 6610 2 2 97 0 0
3 0 23 1830 203 24277 0 0 786 3040 3302 7118 2 2 97 0 0
4 0 23 1829 203 24277 0 0 126 3144 3247 7343 2 1 97 0 0
3 0 23 1827 203 24279 0 0 76 2944 3292 7502 2 2 96 0 0
3 0 23 1823 203 24281 0 0 0 3248 3164 7656 2 1 97 0 0
2 0 23 1827 203 24279 0 0 0 3646 3080 7480 2 1 97 0 0
2 0 23 1828 203 24279 0 0 0 476 2942 5648 1 1 98 0 0
3 0 23 1824 203 24281 0 0 2 7476 3377 8111 2 2 97 0 0
iostat informationavg-cpu: %user %nice %system %iowait %steal %idle
1.28 0.00 1.29 0.00 0.00 97.43
Device: tps Blk_read/s Blk_wrtn/s Blk_read Blk_wrtn
hda 0.00 0.00 0.00 0 0
sda 5.47 0.00 83.58 0 168
sda1 0.00 0.00 0.00 0 0
sda2 5.47 0.00 83.58 0 168
sda3 0.00 0.00 0.00 0 0
sda4 0.00 0.00 0.00 0 0
sda5 0.00 0.00 0.00 0 0
sdb 8.96 0.00 123.38 0 248
sdb1 8.96 0.00 123.38 0 248
avg-cpu: %user %nice %system %iowait %steal %idle
1.27 0.00 1.27 0.00 0.00 97.46
Device: tps Blk_read/s Blk_wrtn/s Blk_read Blk_wrtn
hda 0.00 0.00 0.00 0 0
sda 0.00 0.00 0.00 0 0
sda1 0.00 0.00 0.00 0 0
sda2 0.00 0.00 0.00 0 0
sda3 0.00 0.00 0.00 0 0
sda4 0.00 0.00 0.00 0 0
sda5 0.00 0.00 0.00 0 0
sdb 17.50 0.00 236.00 0 472
sdb1 17.50 0.00 236.00 0 472
avg-cpu: %user %nice %system %iowait %steal %idle
1.29 0.00 1.30 0.01 0.00 97.41
Device: tps Blk_read/s Blk_wrtn/s Blk_read Blk_wrtn
hda 0.00 0.00 0.00 0 0
sda 0.50 0.00 16.00 0 32
sda1 0.00 0.00 0.00 0 0
sda2 0.50 0.00 16.00 0 32
sda3 0.00 0.00 0.00 0 0
sda4 0.00 0.00 0.00 0 0
sda5 0.00 0.00 0.00 0 0
sdb 7.50 0.00 144.00 0 288
sdb1 7.50 0.00 144.00 0 288
more details:database version 11.2.0.2.0
the system version
[root@localhost ~]# cat /etc/issue
Red Hat Enterprise Linux Server release 5.4 (Tikanga)
Kernel \r on an \m
[root@localhost ~]# lsb_release
LSB Version: :core-3.1-amd64:core-3.1-ia32:core-3.1-noarch:graphics-3.1-amd64:graphics-3.1-ia32:graphics-3.1-noarch
[root@localhost ~]# uname -a
Linux localhost.localdomain 2.6.18-164.el5 #1 SMP Tue Aug 18 15:51:48 EDT 2009 x86_64 x86_64 x86_64 GNU/Linux
hardware informationvendor_id : GenuineIntel
cpu family : 6
model : 47
model name : Intel(R) Xeon(R) CPU E7- 4860 @ 2.27GHz
stepping : 2
cpu MHz : 2261.057
cache size : 24576 KB
physical id : 3
siblings : 20
core id : 18
cpu cores : 10
apicid : 229
fpu : yes
fpu_exception : yes
cpuid level : 11
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx pdpe1gb rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx smx est tm2 cx16 xtpr popcnt lahf_lm
bogomips : 4522.11
clflush size : 64
cache_alignment : 64
address sizes : 44 bits physical, 48 bits virtual
[root@localhost ~]# free -m
total used free shared buffers cached
Mem: 56238 55892 346 0 196 23645
-/+ buffers/cache: 32050 24188
Swap: 16002 22 15979
[root@localhost ~]# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/sda2 19G 4.9G 14G 27% /
/dev/sda5 230G 27G 192G 12% /home
/dev/sda1 99M 12M 83M 13% /boot
/dev/sdb1 2.9T 2.3T 464G 84% /array
Edited by: JOhnLiu on September 11, 2012 19:31
JOhnLiu wrote:
Thanks for the reply sb92075[root@localhost ~]# mpstat -P ALL 2 Linux 2.6.18-164.el5 (localhost.localdomain) 09/12/12 09:29:09 CPU %user %nice %sys %iowait %irq %soft %steal %idle intr/s 09:29:11 all 0.01 0.00 1.27 0.01 0.00 0.01 0.00 98.69 1658.29 09:29:11 0 0.50 0.00 0.00 0.00 0.00 0.50 0.00 98.99 1657.29 .... 09:29:11 73 0.00 0.00 0.00 0.00 0.00 0.00 0.00 100.00 0.00 09:29:11 74 0.00 0.00 100.00 0.00 0.00 0.00 0.00 0.00 0.00 09:29:11 75 0.00 0.00 0.00 0.00 0.00 0.00 0.00 100.00 0.00 09:29:11 76 0.00 0.00 0.00 0.00 0.00 0.00 0.00 100.00 0.00
the system is essentially * idle at 100% * with the exception of single measure.
Why is it you're obsessed with single line of sar?
OS has been busy making a household for a snapshot.
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Change Windows high-performance power management
Deactivation of many processes that run in the background
Deactivation of the possibilities for energy savings in the energy Manager of Lenovo and technology Intel Rapid Storage Technology (though I doubt that this has nothing to do with the HARD drive)
Disabling hardware acceleration in Flash
.. .but does not.
System information:
Flash 12.0.0.77
I have a new Lenovo Z710:
Processor: 4th generation Intel Core i7-4700MQ processor (2.40 GHz, 1600 MHz 6 MB)
Operating system: Windows 8.1 64
Graphic system: 2GB
Total memory: 8.0 GB PC3 - 12800 1600 MHz SDRAM DDR3L
' Display type: 17.3 "FHD LED Glare Wedge 1920 x 1080
Device HDD: 1 TB + 8 GB
It has Intel Graphics HD 4600 running the latest drivers.
It's a clean new laptop - I did very little with it and actually this problem presented before I did anything for her.
It is quite frustrating and my old Acer laptop, although usually slow, doesn't have this problem.
I hope someone can help.
Thank you
Lech
Hello. I have a similar problem with casual framedrops while watching Youtube videos in point 8.1 of Windows. My processor is a core i5-4440 quad, and I also GMA 4600.
I think it's a little problem with Flash player multi-threading with quad core CPU. It does not seem to happen when I go in the Manager of tasks and set the affinity for the Flash Player to use only a single core. Try it on your machine and see if it falls still frames.
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This morning helped the nightly update manifest. However, he hung Mid-implementation to date. Noticed CPU has increased substantially to about 85%. Tried disabling add-ons, safemode, reboot... Processor clocked constantly higher than 50% now even without launching nightly. Stakes never 100%, but extends between 50% and 92%. I'm puzzled! Ran Malwarebytes and ESET NOD (last)... nothing detected. I completely shut down and rebooted 5 x now. Same question.
Searched with keywords "CPU usage" excessive and inactive. Found the following link
Followed the instructions and it worked like a charm. CPU now idling between 4% and 12%. Candy!
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Satellite A300-1IE - CPU usage high with Bluetooth active
Hello!
I recently installed Windows 7 and the Toshiba Software Installer on my Satellite A300-1IE.
I have a problem with the bluetoothmanager, it's more than double the CPU usage when turned on. When I close the CPU usage goes down.
This is not normal?When the BT active CPU usage is 9 to 15% and when not 1-3%
Seems to be high. Try an update of the Bluetooth stack.
http://APS2.toshiba-tro.de/Bluetooth/?page=download
Ensure that you answer the question during the uninstallation, if all configurations should be removed, with Yes.
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