[PVE-User] memory question

[haoyun]

this method is very good,thank you very much~








At 2016-05-28 23:56:45, "admin-at-extremeshok-dot-com" <admin at extremeshok.com> wrote:
>To increase or decrease /dev/shm filesystem size
>
>1) Open /etc/fstab with vi or any text editor of your choice,
>
>2) Locate the line of /dev/shm and use the tmpfs size option to specify
>your expected size,
>
>e.g. 512MB:
>tmpfs      /dev/shm      tmpfs   defaults,size=512m   0   0
>
>e.g. 2GB:
>tmpfs      /dev/shm      tmpfs   defaults,size=2g   0   0
>
>The /etc/fstab content format is documented in man fstab and the tmpfs
>filesystem options can be found in man mount
>
>3) To make change effective immediately, run this mount command to
>remount the /dev/shm filesystem:
>mount -o remount /dev/shm
>
>__________________________________.    https://eXtremeSHOK.com     .__________________________________
>
>On 28-May-16 11:07 AM, haoyun wrote:
>> hello,everyone~
>> I have a cluster with 2 physical machines,and they are pve4.2
>> my physical machine:
>> root at cna5:~# free
>>              total       used       free     shared    buffers     cached
>> Mem:      65674780   21937328   43737452      93316     166488    1534868
>> -/+ buffers/cache:   20235972   45438808
>> Swap:      8388604          0    8388604
>>
>>
>> my vm:
>> root at debian:~# free
>>              total       used       free     shared    buffers     cached
>> Mem:       4063488     124792    3938696          0      10664      39144
>> -/+ buffers/cache:      74984    3988504
>> Swap:       901116          0     901116
>> root at debian:~# cd /dev/shm
>> root at debian:/dev/shm# dd if=/dev/zero of=dd.img bs=1M count=3000
>> dd: writing `dd.img': No space left on device
>> 970+0 records in
>> 969+0 records out
>> 1016737792 bytes (1.0 GB) copied, 0.250504 s, 4.1 GB/s
>> root at debian:/dev/shm# free
>>              total       used       free     shared    buffers     cached
>> Mem:       4063488    1119324    2944164          0      10680    1032052
>> -/+ buffers/cache:      76592    3986896
>> Swap:       901116          0     901116
>>
>>
>> why?
>> who can help me?
>> thanks~
>> _______________________________________________
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>> pve-user at pve.proxmox.com
>> http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user
>
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