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Re: lug-bg: Memory management


  • Subject: Re: lug-bg: Memory management
  • From: danchev@xxxxxxxxx (George Danchev)
  • Date: Thu, 31 May 2001 14:28:13 +0300



Zdravei, 
i az dosta se 4udih po tozi vupros , no 
i pri  " free " i  " cat /proc/meminfo "   za kernels 2.4.x  davat Shared 0 , 
nesto e smeneno v 2.4 seriqta po otnosheniq na Memory management-a , no ne 
mojah da razbera zasto ... 
Mojesh da mahnesh poddrijkata v kernela na ROMFS , TMPFS , DEVFS - tova sa 
file systems koito jiveqt v pametta - 1-te vde si prili4at samo 4e vtorata e 
"raztegatelna" , a tretata e kato tazi  /dev na harda deto q imash . Imam 
predvid da izklu4ish i tazi vuzmojnost da ti se pulni RAM-a s  trash :))) . 
eto ti moq output na free za 2.4.4 :

                     total       used       free     shared    buffers     cached
Mem:         60760      59680       1080          0        652      29912
-/+ buffers/cache:      29116      31644
Swap:       104384      14160      90224

pri svoboden okolo 1 MB ( kernela si pazi malko zapas ) v RAM kernela togava 
"nastupva" swap-a . Estestveno Shared 0 pokazwa .

debilian:/# cat  /proc/meminfo
        total:    used:    free:  shared: buffers:  cached:
Mem:  62218240 61235200   983040        0   552960 30793728
Swap: 106889216 14499840 92389376
MemTotal:        60760 kB
MemFree:           960 kB
MemShared:           0 kB
Buffers:           540 kB
Cached:          30072 kB
Active:          24192 kB
Inact_dirty:      3880 kB
Inact_clean:      2540 kB
Inact_target:       60 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:        60760 kB
LowFree:           960 kB
SwapTotal:      104384 kB
SwapFree:        90224 kB 

Tova e normalna X session , 2 Mozilli + KMalil + XMMS ,e i nqkolko demon4eta 
na fona .

On Monday 28 May 2001 01:18, you wrote:
> Zdrawejte!
> Zabelqzah sledniq problem pri Red Hat7.1. Kato si pusna sistemata i
> predi da q natowarq, taka cha da
> zapochne da polzwa swap prostranstwoto neshtata s pametta wyrwqt dobre i
> free dawa sledniq rezultat:
>              total       used       free     shared    buffers
> cached
> Mem:        127076     104708      22368          0       5740
> 57376
> -/+ buffers/cache:      41592      85484
> Swap:       136512          0     136512
> (towa e pri obichayna natowarenost na X ( KDE2.X s nqkolko otworeni i
> raboteshti priloveniq).
>
> Ako obache natowarq poweche PC, taka che da zapochne izpolzwaneto na
> swap prostranstwoto dori i
> po-kysno kogato pametzaemashtite procesi sa otdawna swyrshili sistemata
> prodylvawa da izpolzwa po
> sledniq neracionalen nachin resursite si:
>
>              total       used       free     shared    buffers
> cached
> Mem:        127076     125612       1464          0        304
> 97676
> -/+ buffers/cache:      27632      99444
> Swap:       136512     136400        112
>
> Nqkoj ima li ideq kak da se reshi tozi problem?
> Nqkakwa komanda koqto da optimizira upotrebata na memory.
> Ivaylo
>
>
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> http://www.linux-bulgaria.org/ Hosted by Internet Group Ltd. - Stara Zagora
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