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vzctl set changes configuration on the fly? [message #28925]

Tue, 01 April 2008 14:27

pva0xd
Messages: 24
Registered: February 2008

Junior Member

Well, I thought that this question was asked many times but I failed to dig answer on this forum...

Whenever VE parameters of running container are changed with vzctl set vied they are supposed to be changed on-fly, and /proc/user_beancounters shows me new values immediately. But inside VE I do not see any changes... Look at this session where I try to change privvmpages without restarting container:

First this are initial values:

vz ~ # grep privvmpages /proc/bc/101/resources
            privvmpages                 36082                49989               192000               204800                    0
vz ~ # vzctl enter 101
entered into VE 101
cacti / # egrep 'Mem(Total|Free)' /proc/meminfo
MemTotal:       768000 kB
MemFree:        621476 kB
cacti / # logout
exited from VE 101

Now if values are changed with vzctl I see changes inside /proc/bc, but there are no changes inside VE:

vz ~ # vzctl set 101 --privvmpages 250M:300M
UB limits were set successefully
WARNING: Settings were not saved and will be resetted to original values on next start (use --save flag)
vz ~ # grep privvmpages /proc/bc/101/resources
            privvmpages                 36529                49989                64000                76800                    0
vz ~ # vzctl enter 101
entered into VE 101
cacti / # egrep 'Mem(Total|Free)' /proc/meminfo
MemTotal:       768000 kB
MemFree:        619696 kB
cacti / # free
             total       used       free     shared    buffers     cached
Mem:        768000     148336     619664          0          0          0
-/+ buffers/cache:     148336     619664
Swap:            0          0          0

free, top /proc/meminfo still show old data. So, should I restart container to apply changes on the fly? I've read on this forum that this is not required, but seems that it is, or... what do I miss? Thank you for your time.

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[Message index]

		vzctl set changes configuration on the fly? By: pva0xd on Tue, 01 April 2008 14:27
		Re: vzctl set changes configuration on the fly? By: mihde on Tue, 01 April 2008 14:56
		Re: vzctl set changes configuration on the fly? By: kir on Tue, 01 April 2008 23:09
		Re: vzctl set changes configuration on the fly? By: pva0xd on Wed, 02 April 2008 03:55
		Re: vzctl set changes configuration on the fly? By: Mr.Ash on Wed, 02 April 2008 07:10
		Re: vzctl set changes configuration on the fly? By: pva0xd on Wed, 02 April 2008 07:26
		Re: vzctl set changes configuration on the fly? By: Mr.Ash on Wed, 02 April 2008 07:49
		Re: vzctl set changes configuration on the fly? By: pva0xd on Wed, 02 April 2008 08:13
		Re: vzctl set changes configuration on the fly? By: Mr.Ash on Wed, 02 April 2008 08:19
		Re: vzctl set changes configuration on the fly? By: pva0xd on Wed, 02 April 2008 08:53
		Re: vzctl set changes configuration on the fly? By: kir on Wed, 02 April 2008 13:04
		Re: vzctl set changes configuration on the fly? By: chubaka on Mon, 28 April 2008 06:01

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