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Some confusing about "Alloc commit" in vzmemcheck [message #48217] Sun, 07 October 2012 22:57
yangshen is currently offline  yangshen
Messages: 3
Registered: August 2012
Junior Member
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Hi Guys,

There is a confusing in my mind about "Alloc commit". Below "vzmemcheck" is showing my "Alloc commit" level is too high. But my server(64bit) has 250G RAM. Based on the formula given at " wiki.openvz.org/UBC_systemwide_configuration#Allocated_memor y ", I couldn't get the "1.72" anyway. How is the divisor of "RAM size + swap size" calculated here?

If using the 1.72 (Alloc commit) and 4.87(Alloc limit) to do a calculation, it seems 1G RAM size (32bit limit) is still using here as the divisor.

Any idea? Thanks in advance.

CTID LowMem LowMem RAM MemSwap MemSwap Alloc Alloc Alloc
util commit util util commit util commit limit
100000 0.10 0.35 0.61 0.14 2.51 0.94 1.72 4.87

Below is got from "vzubc -r -i"

CT 100000 | HELD +/- Bar% Lim%| MAXH Bar% Lim%| BAR | LIM |+FAIL
-------------+----------------------+---------------+-----+- ----+------
kmemsize|91.7M +21.5M 30% 26%| 182M 60% 52%| 300M| 350M| -
lockedpages| - - - | 32K 0.8% 0.8%| 4M| 4M| -
privvmpages|1.88G +801M 18% 15%|5.77G 57% 48%| 10G| 12G| -
shmpages| 676K 0.5% 0.5%|10.7M 8% 8%| 128M| 128M| -
numproc| 84 +29 29% 29%| 274 95% 95%| 288 | 288 | -
physpages|1.49G +139M - - |2.77G - - | - | - | -
vmguarpages| - - - | - - - | 4G| - | -
oomguarpages| 335M +116M 5% - |1.17G 19% - | 6G| - | -
numtcpsock| 102 +44 12% 12%| 781 97% 97%| 800 | 800 | -
numflock| 3 3% 2%| 12 12% 10%| 100 | 110 | -
numpty| - - - | 4 12% 12%| 32 | 32 | -
numsiginfo| - - - | 210 82% 82%| 256 | 256 | -
tcpsndbuf| 538K +23.5K 13% 8%|4.09M 102% 68%| 4M| 6M| -
tcprcvbuf| 633K +17.3K 12% 8%| 1.4M 28% 20%| 5M| 7M| -
othersockbuf|11.3K 1% 0.6%| 280K 27% 13%| 1M| 2M| -
dgramrcvbuf| - - - | 255K 100% 100%| 256K| 256K| -
numothersock| 50 19% 19%| 58 22% 22%| 256 | 256 | -
dcachesize|38.6M +26.7K 60% 53%|43.1M 67% 59%| 64M| 72M| -
numfile| 728 +120 11% 11%|1.54K 25% 25%| 6K| 6K| -
numiptent| 49 19% 19%| 49 19% 19%| 256 | 256 | -
swappages| - - - | - - - | - | - | -


Yang

[Updated on: Sun, 07 October 2012 23:11]

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