Mailinglist Archive: opensuse (4498 mails)
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Re: [opensuse] system significantly slow after switch to 64-bit processor and SuSE x86_64
- From: 张韡武 <zhangweiwu@xxxxxxxxxx>
- Date: Wed, 22 Nov 2006 10:18:45 +0800
- Message-id: <1164161925.13019.22.camel@xxxxxxxxxx>
在 2006-11-21二的 18:44 -0700，David Canar写道：
> What version of SUSE are you using? I don't think the memory is the
> problem. I always have my memory almost full but that is because Linux
> manages the memory differently. I think there was a bug in the kernel
> and the SATA driver but not sure. Please give more information.(notebook
> model, suse version, etc)
Note book is Compaq Presario V3000. SuSE 10.1 is what I am using. Sorry
for forgetting mentioning this in first post. I understand Linux always
try to keep memory fully used by cache technology. In my case cache is
only used a little (64MB)
yuliansu@esmeralda:/srv/www/htdocs> free -m
total used free shared buffers cached
Mem: 436 425 11 0 15 64
-/+ buffers/cache: 344 91
Swap: 1027 400 626
(at the time I get this 'free' result, the only application I have started is yast)
Below result is when yast has quit:
yuliansu@esmeralda:/srv/www/htdocs> free -m
total used free shared buffers cached
Mem: 436 259 176 0 7 39
-/+ buffers/cache: 213 223
Swap: 1027 236 791
this is right after computer booted (gdm configured auto login, so this
is when gnome desktop started)
esmeralda:/srv/www/htdocs # free -m
total used free shared buffers cached
Mem: 436 431 5 0 16 159
-/+ buffers/cache: 254 181
Swap: 1027 72 955
By system start, in all 436MB physical memory (why not 512?) already 64%
occupied. When I start openoffice probably swap has to be activated.
Or should I add more memory? What's the amount of memory recommendation
for running SuSE 10.1 x86_64?
>
> David.
>
> 张韡武 wrote:
> > Hello. Recently I bought a new notebook computer with 64-bit AMD CPU and
> > installed SuSE x86_64 on it. The speed is significantly slower then my
> > old notebook computer. In order to tell if this is an OS problem or
> > hardware problem, I installed Windows on both computer and tried again.
> > Both have 512MB memory.
> >
> > I. Windows OS on new notebook is *significantly* faster then
> > Windows on my old notebook;
> > II. SuSE x86_64 on new notebook is *significantly* slower then SuSE
> > x86 on my old notebook.
> >
> > I think probably memory is the key problem, SuSE x86_64 once start up
> > gnome desktop environment, without running any application, can eat up
> > 400MB memory. If I run yast the difference is more obvious: on SuSE
> > x86_64 running yast with software management, free(1) tells 400MB
> > physical memory is used (rest of physical memory are cache), 400MB swap
> > space is used, all together 800MB.
> >
> > I just suspect that probably running SuSE x86_64 might use as twice as
> > memory of that x86_32 version? In that case I probably better choose
> > SuSE x86_32.
> >
>
--
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> What version of SUSE are you using? I don't think the memory is the
> problem. I always have my memory almost full but that is because Linux
> manages the memory differently. I think there was a bug in the kernel
> and the SATA driver but not sure. Please give more information.(notebook
> model, suse version, etc)
Note book is Compaq Presario V3000. SuSE 10.1 is what I am using. Sorry
for forgetting mentioning this in first post. I understand Linux always
try to keep memory fully used by cache technology. In my case cache is
only used a little (64MB)
yuliansu@esmeralda:/srv/www/htdocs> free -m
total used free shared buffers cached
Mem: 436 425 11 0 15 64
-/+ buffers/cache: 344 91
Swap: 1027 400 626
(at the time I get this 'free' result, the only application I have started is yast)
Below result is when yast has quit:
yuliansu@esmeralda:/srv/www/htdocs> free -m
total used free shared buffers cached
Mem: 436 259 176 0 7 39
-/+ buffers/cache: 213 223
Swap: 1027 236 791
this is right after computer booted (gdm configured auto login, so this
is when gnome desktop started)
esmeralda:/srv/www/htdocs # free -m
total used free shared buffers cached
Mem: 436 431 5 0 16 159
-/+ buffers/cache: 254 181
Swap: 1027 72 955
By system start, in all 436MB physical memory (why not 512?) already 64%
occupied. When I start openoffice probably swap has to be activated.
Or should I add more memory? What's the amount of memory recommendation
for running SuSE 10.1 x86_64?
>
> David.
>
> 张韡武 wrote:
> > Hello. Recently I bought a new notebook computer with 64-bit AMD CPU and
> > installed SuSE x86_64 on it. The speed is significantly slower then my
> > old notebook computer. In order to tell if this is an OS problem or
> > hardware problem, I installed Windows on both computer and tried again.
> > Both have 512MB memory.
> >
> > I. Windows OS on new notebook is *significantly* faster then
> > Windows on my old notebook;
> > II. SuSE x86_64 on new notebook is *significantly* slower then SuSE
> > x86 on my old notebook.
> >
> > I think probably memory is the key problem, SuSE x86_64 once start up
> > gnome desktop environment, without running any application, can eat up
> > 400MB memory. If I run yast the difference is more obvious: on SuSE
> > x86_64 running yast with software management, free(1) tells 400MB
> > physical memory is used (rest of physical memory are cache), 400MB swap
> > space is used, all together 800MB.
> >
> > I just suspect that probably running SuSE x86_64 might use as twice as
> > memory of that x86_32 version? In that case I probably better choose
> > SuSE x86_32.
> >
>
--
锐业软服（国内业务） http://www.realss.cn
Real SoftService http://www.realss.com
销售咨询(Sales Department): 0086 592 20 99987 (Chinese, German,
English)
国际业务(International Sales): 0086 10 8460 6011 (German and English)
联系：厦门大学科技园，嘉庚二号楼6楼
邮政：厦门大学2312号信箱（邮编361005）
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