'''UBC''', or '''User Beancounters''' — is a set of limits and guarantees contolled per VE. You can see the current usage values and limits by examining the output of <code>[[proc/user_beancounters|/proc/user_beancounters]]</code> file. Here is the example of You can set UBC barriers and limits by using <code>/proc/user_beancountersvzctl set</code> inside VE with ID of 123: <pre># cat /proc/user_beancountersVersion: 2.5 uid resource held maxheld barrier limit failcnt 123: kmemsize 836919 1005343 2752512 2936012 0 lockedpages 0 0 32 32 0 privvmpages 4587 7289 49152 53575 0 shmpages 39 39 8192 8192 0 dummy 0 0 0 0 0 numproc 20 26 65 65 0 physpages 2267 2399 0 2147483647 0 vmguarpages 0 0 6144 2147483647 0 oomguarpages 2267 2399 6144 2147483647 0 numtcpsock 3 3 80 80 0 numflock 3 4 100 110 0 numpty 1 1 16 16 0 numsiginfo 0 1 256 256 0 tcpsndbuf 0 0 319488 524288 0 tcprcvbuf 0 0 319488 524288 0 othersockbuf 6684 7888 132096 336896 0 dgramrcvbuf 0 8372 132096 132096 0 numothersock 8 10 80 80 0 dcachesize 87672 92168 1048576 1097728 0 numfile 238 306 2048 2048 0 dummy 0 0 0 0 0 dummy 0 0 0 0 0 dummy 0 0 0 0 0 numiptent 10 16 128 128 0</pre> See more at [[setting UBC parameters]] and [[Resource shortage]]command.