Am I seeing the same problem?
opendaylight-user@root>feature:install odl-openflowplugin-flow-services-ui
Uncaught error from thread
[opendaylight-cluster-data-akka.remote.default-remote-dispatcher-8] shutting
down JVM since
'akka.jvm-exit-on-fatal-error' is enabled for
ActorSystem[opendaylight-cluster-data]
java.lang.OutOfMemoryError: Direct buffer memory
at java.nio.Bits.reserveMemory(Bits.java:693)
<snip>
**note, I did nothing scale-ish**
I wanted to try to debug why our clustering is broken in master. I took the
latest
carbon snapshot distro, ran the cluster config script and installed
odl-jolokia + odl-openflowplugin-flow-services-ui
then I got a coffee and came back to all three nodes dead.
JamO
On 01/10/2017 01:08 PM, Sela, Guy wrote:
> It was a netvirt scale scenario.
> I had one openstack Control with 100 Computes, i.e., 100 OVSs.
> Had 1 private network and started creating VMs on each OVS.
> This causes a mesh of tunnels between all OVSs, which means I got to 10000
> interfaces just for the tunnels, and a very big transport zone.
> I had a lot of flows too obviously.
>
>
>
> -----Original Message-----
> From: Robert Varga [mailto:n...@hq.sk]
> Sent: Tuesday, January 10, 2017 10:21 PM
> To: Tom Pantelis <tompante...@gmail.com>; Sela, Guy <guy.s...@hpe.com>
> Cc: controller-dev@lists.opendaylight.org; odl netvirt dev
> <netvirt-...@lists.opendaylight.org>
> Subject: Re: [controller-dev] [mdsal-dev] Netvirt Scale tests: OutOfMemory
> from datastore
>
> On 01/10/2017 08:16 PM, Tom Pantelis wrote:
>> Since the length field of an array is an int, it's constrained to
>> Integer.MAX_VALUE (~2G). To handle snapshots larger than 2G we'll have
>> to chuck it into multiple byte[].
>
> That could get funky on the reassembly side of things. If we go that route,
> we may as well switch to something more friendly, like java.nio.ByteBuffer(),
> too.
>
> Guy, just out of curiosity: how much duplication is in your data set?
>
> Regards,
> Robert
>
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>
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