Re: [ovsdb-dev] OVSDB scale


Sela, Guy <guy.sela@...>
 

Thanks,

 

Did you manage to survive Full GCs at all ?

If I don’t avoid it, a Full GC causes all OVSs to disconnect from the ODL, and it results in a bit of chaos. Is there any way around this other than avoiding Full GC? I managed to avoid it in my testing using 16G heap size and G1 collector.

 

From: Vishal Thapar [mailto:vishal.thapar@...]
Sent: Tuesday, January 17, 2017 8:50 AM
To: Anil Vishnoi <vishnoianil@...>; Jamo Luhrsen <jluhrsen@...>
Cc: Pearl, Tomer <tomer.pearl@...>; marcus.g.williams@...; openflowjava-dev@...; ovsdb-dev@...; Sela, Guy <guy.sela@...>
Subject: RE: [openflowjava-dev] [ovsdb-dev] OVSDB scale

 

We tested not just OVSDB but OVSDB+Netvirt/VPNService at scale of about 80 OVS at the time with a full mesh. Scale limits come more from size of datastore than anything else. So how many devices you can scale depends on extent of features you’re testing. Is it just OVSDB, or Netvit with multiple VMs per compute across multiple networks?

 

If you’re running into memory issues would be good to increase memory and capture memory usage. While provisioning you may hit a high peak but will come down once it is done. I’ll check if I can get details of numbers we tested, should be lying somewhere in archived mails.

 

Regards,

Vishal.

 

From: Anil Vishnoi [mailto:vishnoianil@...]
Sent: 17 January 2017 12:09
To: Jamo Luhrsen <jluhrsen@...>
Cc: Pearl, Tomer <tomer.pearl@...>; marcus.g.williams@...; openflowjava-dev@...; ovsdb-dev@...; Sela, Guy <guy.sela@...>; Vishal Thapar <vishal.thapar@...>
Subject: Re: [openflowjava-dev] [ovsdb-dev] OVSDB scale

 

I believe team from Ericsson also did some testing with it and we made some more performance improvement on boron. 

 

@vishal : do you have any number from your ovsdb testing ? 

 

On Tue, Jan 3, 2017 at 10:05 PM, Jamo Luhrsen <jluhrsen@...> wrote:

Hi Tomer,

back in Beryllium there was a performance report released [0]. You can see on page 31 that we
saw OVSDB scale up to 1800 nodes. There may be more recent tests done, and I think Marcus
may have some idea. But, I think your 200 number should be achievable.

Thanks,
JamO


[0] https://www.opendaylight.org/sites/www.opendaylight.org/files/odl_performancetechnicalreport_1-1_052716.pdf



On 01/02/2017 06:02 AM, Pearl, Tomer wrote:
> Hi,
>
>
>
> I’m trying to bring up a setup with one ODL controller and 200+ OVSs.
>
> I’m testing with Boron SR1 code
>
>
>
> Are there any reports about ODL scale tests that I can look at ?
>
> Is 200 OVSs an amount that supposed to work?
>
>
>
> Thanks,
>
>
>
> Tomer P.
>
>
>
>
>
>
>
>
>

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--

Thanks

Anil

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