Shards are (currently) statically configured in module-shards.conf. There's
3 OOB - "topology", "inventory", and "default". Anything not under topology
and inventory go into the default shard.
On Wed, Jan 11, 2017 at 9:51 AM, Sela, Guy <guy.s...@hpe.com> wrote:
> So what you mean is that if I create a yang tree in a yang file, it will
> ultimately translate into maximum two shards?
> One for the operational and one for the configuration?
>
> So for example elan.yang:
> container elan-interface-forwarding-entries {
> config false;
>
> list elan-interface-mac {
> key "elan-interface";
> description "All the MAC addresses learned on a particular
> elan interface";
> max-elements "unbounded";
> min-elements "0";
> leaf elan-interface {
> type leafref {
> path "/if:interfaces/if:interface/if:name";
> }
> }
>
> uses forwarding-entries;
> }
> }
>
> container elan-tag-name-map {
> config false;
>
> list elan-tag-name {
> key elan-tag;
> leaf elan-tag {
> type uint32;
> }
>
> leaf name {
> type string;
> description
> "The name of the elan-instance.";
> }
> }
> }
>
> These 2 only live in the operational (Because config false), so it means 2
> Shards ?
>
> -----Original Message-----
> From: Robert Varga [mailto:n...@hq.sk]
> Sent: Wednesday, January 11, 2017 4:45 PM
> To: Sela, Guy <guy.s...@hpe.com>; Tom Pantelis <tompante...@gmail.com>;
> Kochba, Alon <alo...@hpe.com>
> Cc: Williams, Marcus <marcus.willi...@intel.com>; Daniel Farrell <
> dfarr...@redhat.com>; odl netvirt dev <netvirt-...@lists.opendaylight.org>;
> controller-dev@lists.opendaylight.org; integration-dev@lists.
> opendaylight.org
> Subject: Re: [netvirt-dev] [controller-dev] [mdsal-dev] Netvirt Scale
> tests: OutOfMemory from datastore
>
> On 01/11/2017 03:42 PM, Sela, Guy wrote:
> > I have some blurriness about what a shard is, that I still didn’t
> > figure out.
> >
> > I have some guesses:
> >
> > 1) Every yang tree == one shard.
> >
> > 2) Shard can be a collection of a number of yang trees.
> >
> > 3) None of the above?
> >
>
> Mostly 1. Each shard encapsulates a single ShardDataTree, which
> encapsulates a single DataTree. The sum of shards is presented as the data
> store (CDS).
>
> Regards,
> Robert
>
>
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