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Re: Java: Could not reserve enough space for object heap [message #16179 is a reply to message #16165] Mon, 27 August 2007 00:20 Go to previous messageGo to previous message
locutius is currently offline  locutius
Messages: 125
Registered: August 2007
Senior Member

-bash-3.00# cat /proc/user_beancounters
Version: 2.5
       uid  resource           held    maxheld    barrier      limit    failcnt
       104: kmemsize        3943800    4160542    9753527    9752512          0
            lockedpages           0          0         32         32          0
            privvmpages       23222      38193      69152      73575          2
            shmpages           2441       3417       8192       8192          0
            dummy                 0          0          0          0          0
            numproc              53         58        256        256          0
            physpages         14000      16202          0 2147483647          0
            vmguarpages           0          0       6144 2147483647          0
            oomguarpages      14004      16202       6144 2147483647          0
            numtcpsock            8         12         80         80          0
            numflock              4         10        100        110          0
            numpty                1          1         16         16          0
            numsiginfo            0          3        256        256          0
            tcpsndbuf             0      24508     319488     524288          0
            tcprcvbuf             0      10116     319488     524288          0
            othersockbuf      22280      27124     132096     336896          0
            dgramrcvbuf           0       2228     132096     132096          0
            numothersock         15         21         80         80          0
            dcachesize       237062     270354    1048576    1097728          0
            numfile            3239       3501       4086       4086          0
            dummy                 0          0          0          0          0
            dummy                 0          0          0          0          0
            dummy                 0          0          0          0          0
            numiptent            10         10        128        128          0



privvmpages is the amount of memory than can be allocated by processes, it does not account memory use

vmguarpages is the memory guaranteed for use, and it is woefully low at 6144 (looks like the default config for pong)

oomguarpages is accounting the actual memory use and you can see it far exceeds vmguarpages

guys plz read up in the wiki on /proc/user_beancounters

AND WARNING! dont take the default config and try to adjust it up for a Java machine because there is zero match to your hardware. use vzsplit 8 or 16 or more ways to discover your hardware capabilities

[Updated on: Mon, 27 August 2007 00:21]

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