Память заканчивается?

MemTotal:        3950208 kB
MemFree:           72532 kB
Buffers:          282212 kB
Cached:          1202200 kB
SwapCached:          124 kB
Active:          2321864 kB
Inactive:        1188628 kB
Active(anon):    1742840 kB
Inactive(anon):   484784 kB
Active(file):     579024 kB
Inactive(file):   703844 kB
Unevictable:          48 kB
Mlocked:              48 kB
SwapTotal:       5858300 kB
SwapFree:        5858176 kB
Dirty:              3212 kB
Writeback:             0 kB
AnonPages:       2026068 kB
Mapped:           185132 kB
Shmem:            201544 kB
Slab:             285340 kB
SReclaimable:     250312 kB
SUnreclaim:        35028 kB
KernelStack:        4800 kB
PageTables:        27104 kB
NFS_Unstable:          0 kB
Bounce:                0 kB
WritebackTmp:          0 kB
CommitLimit:     9018464 kB
Committed_AS:    7930080 kB
VmallocTotal:   34359738367 kB
VmallocUsed:      357288 kB
VmallocChunk:   34359369016 kB
DirectMap4k:        7836 kB
DirectMap2M:     4098048 kB

vertexua@vxcomp ~/IdeaProjects/globalChat $ mvn jetty:run -DjettyPort=8082
Error occurred during initialization of VM
Could not reserve enough space for object heap
Could not create the Java virtual machine.

vertexua@vxcomp ~/IdeaProjects/globalChat $ MAVEN_OPTS="-Xmx1024m" mvn jetty:run -DjettyPort=8082
Error occurred during initialization of VM
Could not reserve enough space for object heap
Could not create the Java virtual machine.
vertexua@vxcomp ~/IdeaProjects/globalChat $ MAVEN_OPTS="-Xmx256m" mvn jetty:run -DjettyPort=8082
[WARNING] 
[WARNING] Some problems were encountered while building the effective settings
[WARNING] Failed to use environment variables for interpolation: Cannot run program "env": java.io.IOException: error=12, Cannot allocate memory @ 
[WARNING] 
[INFO] Scanning for projects...
[INFO]                                                                         
[INFO] ------------------------------------------------------------------------
[INFO] Building GlobalChat 1.0
[INFO] ------------------------------------------------------------------------
[INFO] 
[INFO] >>> jetty-maven-plugin:8.0.0.M0:run (default-cli) @ global-chat-webapp >>>
[INFO] 
[INFO] --- maven-resources-plugin:2.4.3:resources (default-resources) @ global-chat-webapp ---
^Cvertexua@vxcomp ~/IdeaProjects/globalChat $ MAVEN_OPTS="-Xmx128m" mvn jetty:run -DjettyPort=8082
[INFO] Scanning for projects...
[INFO]                                                                         
[INFO] ------------------------------------------------------------------------
[INFO] Building GlobalChat 1.0
[INFO] ------------------------------------------------------------------------
[INFO] 
[INFO] >>> jetty-maven-plugin:8.0.0.M0:run (default-cli) @ global-chat-webapp >>>
[INFO] 
[INFO] --- maven-resources-plugin:2.4.3:resources (default-resources) @ global-chat-webapp ---                                      

vertexua@vxcomp ~ $ ipcs -u

------ Стан спільної пам'яті --------
segments allocated 4
pages allocated 1282
pages resident  1271
pages swapped   0
Swap performance: 0 attempts	 0 successes

------ Стан семафору --------
використано масивів = 0
виділено семафорів = 0

------ Messages Status --------
виділено черг = 0
використано заголовків = 0
використано простору = 0 байт

vertexua@vxcomp ~ $ getconf PAGE_SIZE
4096

#!/bin/bash

SUM=0
OVERALL=0

for dir in $(find /proc -maxdepth 1 -type d -name '[0-9]*'); do
    PID=$( echo $dir | cut -d '/' -f 3);
    PROGNAME=$(ps -p $PID -o comm --no-headers)
    for swap in $(grep Swap $dir/smaps 2>/dev/null | awk '{ print $2; }');do
        let SUM=$SUM+$swap
    done
    if [ "$SUM"  != "0" ]; then
        echo "PID=$PID - Swap used:$SUM - ( $PROGNAME )"
    fi
    let OVERALL=$OVERALL+$SUM
    SUM=0
done
echo "Overall swap used: $OVERALL"

vertexua@vxcomp ~ $ sudo sysctl -a 2>/dev/null | grep overcommit
Пароль:
vm.overcommit_memory = 2
vm.overcommit_ratio = 80