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Dcachesize increases up to the limit constantly [message #49033] Wed, 27 February 2013 23:38 Go to previous message
javix is currently offline  javix
Messages: 2
Registered: February 2013
Junior Member
Hi,

I have several containers running fine on CentOS 5.
Now I have migrated them to a new machine running CentOS6 with kernel 2.6.32-042stab072.10

In the new host most (not all) the containers suddenly have dcachesize increased up to the limit with no apparent cause.
Inodes and disk quotas are fine.
If I use vzcfgvalidate it asks me to increase dcachesize by 10 times, but if I do that right after rebooting the CT it reaches limit again.

In one of them numpty increases automatically to the limit, too.

Any idea of what may be causing this?
The containers run smoothly, everything works but I have this strange behaviour.

Do you see something strange on this beancounters?

Thanks!

cat /proc/user_beancounters
Version: 2.5
       uid  resource                     held              maxheld              barrier                limit              failcnt
      201:  kmemsize                 20443405             29917184             65000000             72000000                    0
            lockedpages                     0                    0                 2048                 2048                    0
            privvmpages                216941               413635              1005568              1005568                    0
            shmpages                      658                  674                21504                21504                    0
            dummy                           0                    0                    0                    0                    0
            numproc                        73                  102                  240                  240                    0
            physpages                  129775               234958                    0  9223372036854775807                    0
            vmguarpages                     0                    0                33792  9223372036854775807                    0
            oomguarpages               113824               207934                26112  9223372036854775807                    0
            numtcpsock                     16                   33                  200                  200                    0
            numflock                        6                    7                  188                  206                    0
            numpty                          1                   15                   16                   16                    0
            numsiginfo                      0                   15                  256                  256                    0
            tcpsndbuf                  279040               497568              2400000              3000000                    0
            tcprcvbuf                  262144               516888              4000000              8000000                    0
            othersockbuf                38528               597288              2000000              3000000                    0
            dgramrcvbuf                     0                 6672               262144               262144                    0
            numothersock                   69                   89                  360                  360                    0
            dcachesize                8498558              8500000              8000000              8500000                    0
            numfile                       569                  680                 9312                 9312                    0
            dummy                           0                    0                    0                    0                    0
            dummy                           0                    0                    0                    0                    0
            dummy                           0                    0                    0                    0                    0
            numiptent                      24                   24                  128                  128                    0
      114:  kmemsize                 66902606             88211456            120000000            135000000                    0
            lockedpages                     0                    0                 2048                 2048                    0
            privvmpages                392439               556045              1005568              1005568                    0
            shmpages                      144                  816                21504                21504                    0
            dummy                           0                    0                    0                    0                    0
            numproc                       124                  231                  960                  960                    0
            physpages                  428222               660762                    0  9223372036854775807                    0
            vmguarpages                     0                    0                33792  9223372036854775807                    0
            oomguarpages               215446               301808                26112  9223372036854775807                    0
            numtcpsock                     61                   95                  400                  400                    0
            numflock                       25                   32                  188                  206                    0
            numpty                          0                    0                   16                   16                    0
            numsiginfo                      0                   15                  512                  512                    0
            tcpsndbuf                 1075368              1516056              9000000             11000000                    0
            tcprcvbuf                  533136               638376              4000000              8000000                    0
            othersockbuf               369496              1077368              4000000              8000000                    0
            dgramrcvbuf                     0                42872               262144               262144                    0
            numothersock                  282                  447                 1500                 1500                    0
            dcachesize               44912426             45000000             40000000             45000000                    0
            numfile                      1586                 2155               100000               100000                    0
            dummy                           0                    0                    0                    0                    0
            dummy                           0                    0                    0                    0                    0
            dummy                           0                    0                    0                    0                    0
            numiptent                      47                   47                  128                  128                    0
      112:  kmemsize                 36274924             46981120             90000000             95000000                    0
            lockedpages                     0                    0                 2048                 2048                    0
            privvmpages                372634               420674              1005568              1005568                    0
            shmpages                      144                  480                21504                21504                    0
            dummy                           0                    0                    0                    0                    0
            numproc                       107                  177                  480                  480                    0
            physpages                  227179               269240                    0  9223372036854775807                    0
            vmguarpages                     0                    0                33792  9223372036854775807                    0
            oomguarpages               167761               191827                26112  9223372036854775807                    0
            numtcpsock                     51                   70                  800                  800                    0
            numflock                       25                   32                  188                  206                    0
            numpty                          0                    0                   16                   16                    0
            numsiginfo                      0                   15                  512                  512                    0
            tcpsndbuf                  727064              1420568              6000000              9000000                    0
            tcprcvbuf                  512328               598408              4000000              8000000                    0
            othersockbuf               349760              1134072              7000000             12000000                    0
            dgramrcvbuf                     0                 6936               262144               262144                    0
            numothersock                  257                  340                 1500                 1500                    0
            dcachesize               17583172             17811559             38400000             40000000                    0
            numfile                      1524                 1890               100000               100000                    0
            dummy                           0                    0                    0                    0                    0
            dummy                           0                    0        
...

 
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