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Re: Memory usage [message #2886 is a reply to message #2606] Tue, 25 April 2006 00:00 Go to previous message
eugeniopacheco is currently offline  eugeniopacheco
Messages: 40
Registered: November 2005
Member
Hi,

Can someone please tell me if the virtual memory (privvmpages) is limited to the amount of RAM memory in the computer?

When I type the command vzmemcheck, this is what shows up:

[root@t248 ~]# vzmemcheck
Output values in %
LowMem LowMem RAM MemSwap MemSwap Alloc Alloc Alloc
util commit util util commit util commit limit
1.44 25.67 20.96 20.96 27.09 79.90 27.09 145.31
[root@t248 ~]# vzmemcheck -A
Output values in Mbytes
LowMem LowMem RAM MemSwap MemSwap Alloc Alloc Alloc
util commit util util commit util commit limit
4.72 83.92 209.80 209.80 271.15 799.86 271.15 1454.60
326.00 326.00 1001.00 1001.00 1001.00 1001.00 1001.00 1001.00
[root@t248 ~]# vzmemcheck -Av
Output values in Mbytes
veid LowMem LowMem RAM MemSwap MemSwap Alloc Alloc Alloc
util commit util util commit util commit limit
101 2.55 34.33 94.67 94.67 96.74 244.85 96.74 368.11
102 1.32 24.79 62.10 62.10 87.20 498.63 87.20 649.79
105 0.97 24.79 53.14 53.14 87.20 56.50 87.20 436.70
------------------------------------------------------------ -------------
Summary: 4.84 83.92 209.91 209.91 271.15 799.98 271.15 1454.60
326.00 326.00 1001.00 1001.00 1001.00 1001.00 1001.00 1001.00
[root@t248 ~]# vzmemcheck -v
Output values in %
veid LowMem LowMem RAM MemSwap MemSwap Alloc Alloc Alloc
util commit util util commit util commit limit
101 0.78 10.50 9.46 9.46 9.66 24.46 9.66 36.77
102 0.40 7.58 6.20 6.20 8.71 49.81 8.71 64.91
105 0.29 7.58 5.31 5.31 8.71 5.64 8.71 43.62
------------------------------------------------------------ -------------
Summary: 1.47 25.67 20.96 20.96 27.09 79.91 27.09 145.31


The thing is. It seems to me that the RAM memory is underused... It shows that it's only 21% (210MB) used. The machine I'm running openvz has 1GB of memory. But, the Alloc memory is being overused, it shows that it's 145% used (1455MB). So, my question is, can I use the Alloc memory (privvmpages) to match up the RAM to be used? I just don't know where this virtual memory comes from or what resources it uses.

Please help?Smile

Eugenio Pacheco

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