[CentOS] RE: CentOS5 running very slowly on a core 2 duo with 4 GB RAM

israel.garcia at cimex.com.cu israel.garcia at cimex.com.cu
Fri Aug 8 19:22:38 UTC 2008


israel.garcia at cimex.com.cu
<http://lists.centos.org/mailman/listinfo/centos>  wrote:
>> Hi, I've installed CentOS5.2 on an INTEL Core 2 Duo (Intel(R)
Core(TM)2
>> Duo CPU     E6550  @ 2.33GHz), 4 GB RAM (MemTotal:      4072176 kB)
and>
>> my system gets sevarel minutes to startup, specially on udev daemon.
>> Once the system is UP, every command I run gets 100% CPU and every is
>> very slowly at the point yum -y update never ends. The system
installed
>> by default this kernel 2.6.18-53.el5PAE. I would like to know what's
>> wrong with my server. Do I have to install another kernel? Can you
help
>> me?
 
>With 4G I'd install the x86_64 version. Not that I think that PAE is
the
>reason for this slow behaviour (last reporter who had that somewhere on
>bugs.centos.org had bad RAM), but ...
 
>Cheers,
> 
>Ralph
 
More details:
 
 
 [root at netreporter-test ~]# lspci
00:00.0 Host bridge: Intel Corporation 82G33/G31/P35/P31 Express DRAM
Controller (rev 02)
00:02.0 VGA compatible controller: Intel Corporation 82G33/G31 Express
Integrated Graphics Controller (rev 02)
00:03.0 Communication controller: Intel Corporation 82G33/G31/P35/P31
Express MEI Controller (rev 02)
00:19.0 Ethernet controller: Intel Corporation 82566DC-2 Gigabit Network
Connection (rev 02)
00:1a.0 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI
Controller #4 (rev 02)
00:1a.1 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI
Controller #5 (rev 02)
00:1a.2 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI
Controller #6 (rev 02)
00:1a.7 USB Controller: Intel Corporation 82801I (ICH9 Family) USB2 EHCI
Controller #2 (rev 02)
00:1b.0 Audio device: Intel Corporation 82801I (ICH9 Family) HD Audio
Controller (rev 02)
00:1c.0 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express
Port 1 (rev 02)
00:1c.1 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express
Port 2 (rev 02)
00:1c.2 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express
Port 3 (rev 02)
00:1c.3 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express
Port 4 (rev 02)
00:1c.4 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express
Port 5 (rev 02)
00:1d.0 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI
Controller #1 (rev 02)
00:1d.1 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI
Controller #2 (rev 02)
00:1d.2 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI
Controller #3 (rev 02)
00:1d.7 USB Controller: Intel Corporation 82801I (ICH9 Family) USB2 EHCI
Controller #1 (rev 02)
00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev 92)
00:1f.0 ISA bridge: Intel Corporation 82801IH (ICH9DH) LPC Interface
Controller (rev 02)
00:1f.2 IDE interface: Intel Corporation 82801IR/IO/IH (ICH9R/DO/DH) 4
port SATA IDE Controller (rev 02)
00:1f.3 SMBus: Intel Corporation 82801I (ICH9 Family) SMBus Controller
(rev 02)
00:1f.5 IDE interface: Intel Corporation 82801I (ICH9 Family) 2 port
SATA IDE Controller (rev 02)
02:00.0 IDE interface: Marvell Technology Group Ltd. 88SE6101
single-port PATA133 interface (rev b2)
06:00.0 RAID bus controller: Silicon Image, Inc. SiI 3114
[SATALink/SATARaid] Serial ATA Controller (rev 02)
06:03.0 FireWire (IEEE 1394): Texas Instruments TSB43AB22/A
IEEE-1394a-2000 Controller (PHY/Link)
 
 
 
 
 
[root at netreporter-test ~]# vmstat 5 5
procs -----------memory---------- ---swap-- -----io---- --system--
-----cpu------
 r  b   swpd   free   buff  cache   si   so    bi    bo   in   cs us sy
id wa st
 1  0      0 4013708   8880  26732    0    0    36    14  532   55 30  1
68  1  0
 0  1      0 4013708   8884  26752    0    0     0     6 1010   10  0  0
100  0  0
 0  0      0 4013708   8888  26756    0    0     0     2 1006   11  0  0
100  0  0
 0  0      0 4013708   8896  26748    0    0     0     6 1010   12  0  0
100  0  0
 0  0      0 4013708   8896  26756    0    0     0     0 1006    9  0  0
100  0  0
 
 
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