[GridSim-users] OutOfMemory problem in ResFailure Example03

[Agnieszka Z. <agn...@gm...>]

Hello,

I experience problems running Example 03 of the Resource Failure package. I
run my symulation on 4GB RAM server and occasionally get the 'OutOfMemory
Java heap space' error. The situation gets worse (most or all of the
simulations terminated without success) when I try to increase the number of
gridlets/users in the simulation.  I would like to simulate a custom network
with larger number of gridlets but I could not find solution to this
problem. Could You please help?

The log :

Ex03_User_16: Receiving Gridlet #3 with status Success at time =
1561.3607151999936 from resource Ex03_Res_6
Ex03_User_16: Receiving Gridlet #4 with status Success at time =
1562.030715199993 from resource Ex03_Res_6
Exception in thread "Ex03_Res_6_SpaceShared" java.lang.OutOfMemoryError:
Java heap space
        at java.util.Arrays.copyOf(Unknown Source)
        at java.lang.AbstractStringBuilder.expandCapacity(Unknown Source)
        at java.lang.AbstractStringBuilder.append(Unknown Source)
        at java.lang.StringBuffer.append(Unknown Source)
        at gridsim.Gridlet.write(Unknown Source)
        at gridsim.Gridlet.setGridletStatus(Unknown Source)
        at gridsim.ResGridlet.setGridletStatus(Unknown Source)
        at gridsim.resFailure.SpaceSharedWithFailure.gridletFinish(Unknown
Source)
        at
gridsim.resFailure.SpaceSharedWithFailure.checkGridletCompletion(Unknown
Source)
        at gridsim.resFailure.SpaceSharedWithFailure.body(Unknown Source)
        at eduni.simjava.Sim_entity.run(Sim_entity.java:605)

Thank You,
Best regards,
Agnieszka Zyguła