bhadre Gowda [https://community.jboss.org/people/bhadre198307] created the discussion "Getting frequently OUT OF MEMORY ERROR ON JBOSS SOA SERVER" To view the discussion, visit: https://community.jboss.org/message/722676#722676 -------------------------------------------------------------- Hi All, We are facing frequent OOM issue in Production SOA server instances. we have configured the JVM arug like below Is this the correct configuration or else any thing we need to add avoid frequent OOM error. /usr/java/latest/bin/java -Dprogram.name=run.sh -server -Xms4096m -Xmx4096m -XX:PermSize=256m -XX:MaxPermSize=512m Below restarting the server i have taken the Heap history. Heap Configuration:    MinHeapFreeRatio = 40    MaxHeapFreeRatio = 70    MaxHeapSize      = 4294967296 (4096.0MB)    NewSize          = 1310720 (1.25MB)    MaxNewSize       = 17592186044415 MB    OldSize          = 5439488 (5.1875MB)    NewRatio         = 2    SurvivorRatio    = 8    PermSize         = 268435456 (256.0MB)    MaxPermSize      = 536870912 (512.0MB) Heap Usage: PS Young Generation Eden Space:    capacity = 1139474432 (1086.6875MB)    used     = 1134005864 (1081.472267150879MB)    free     = 5468568 (5.215232849121094MB)    99.52007979763077% used    capacity = 38797312 (37.0MB)    used     = 0 (0.0MB)    free     = 38797312 (37.0MB)    0.0% used To Space:    capacity = 159252480 (151.875MB)    used     = 0 (0.0MB)    free     = 159252480 (151.875MB)    0.0% used PS Old Generation    capacity = 2863333376 (2730.6875MB)    used     = 2863333296 (2730.6874237060547MB)    free     = 80 (7.62939453125E-5MB)    99.99999720605359% used PS Perm Generation    capacity = 268697600 (256.25MB)    used     = 197767376 (188.6056671142578MB)    free     = 70930224 (67.64433288574219MB)    73.60221155678353% used I suspect some generation ration configuration is worng, Could you please correct me if am wrong. Regards, Bhadre Gowda -------------------------------------------------------------- Reply to this message by going to Community [https://community.jboss.org/message/722676#722676] Start a new discussion in Performance Tuning at Community [https://community.jboss.org/choose-container!input.jspa?contentType=1&...]