Delay in starting Java based Opendaylight controller

[Andrew Haley]

On 10/31/2013 12:40 PM, sonia verma wrote:

> I have ported Opendaylight controller  in one board having powerpc
> architeture e500 kernel 3.8 supporting java:
> java version "1.7.0_25"
> OpenJDK Runtime Environment (IcedTea 2.3.12) (25b30-2.3.12)
> OpenJDK Zero VM (build 23.7-b01, interpreted mode)
> 
> When I run ./run.sh in order to start Opendaylight.it takes approximately
> about 10 min for the controller to start properly so as to establish
> connection with the OVS.
> However when i run it on x-86,it is fine and is able to connect with the
> OVS within no time.The java -version at x-86 is as follows..
> 
> java -version
> java version "1.7.0_25"
> OpenJDK Runtime Environment (IcedTea 2.3.10) (7u25-2.3.10-1ubuntu0.12.04.2)
> OpenJDK Server VM (build 23.7-b01, mixed mode)
> 
> I noticed that the java mode at x-86 is mixed mode whereas at that of my
> board is interpreted mode.
> Can this be the reason for delay in starting?if yes suggest me how to
> migrate from inerpreted mode to mixed mode .
> Or there is some another reason associated with that.

Zero is bound to be much slower than x86 because there is no JIT compiler.
Having said that, ten minutes is an extraordinarily long time.  Is the
process CPU-bound for that ten minutes?

Andrew.