Hey Shawn
Thanks for your answer!. I changed the config to 1 shard with 7
replicas but I still see communication between nodes, is that expected?
Each node has 1 shard so it should have all the data needed to compute, I
don't get why I'm seeing communication between them.
Thanks
On Tue, Oct 23, 2018 at 2:21 PM Shawn Heisey <apa...@elyograg.org> wrote:
> On 10/23/2018 9:31 AM, Fernando Otero wrote:
> > Hey all
> > I'm running some tests on Solr cloud (10 nodes, 3 shards, 3
> replicas),
> > when I run the queries I end up seeing 7x traffic ( requests / minute)
> in
> > Newrelic.
> >
> > Could it be that the internal communication between nodes is done through
> > HTTP and newrelic counts those calls?
>
> The inter-node communication is indeed done over HTTP, using the same
> handlers that clients use, and if you have something watching Solr's
> statistics or watching Jetty's counters, one of the counters will go up
> when an inter-node request happens.
>
> With 3 shards, one request coming in will generate as many as six
> additional requests -- one request to a replica for each shard, and then
> another request to each shard that has matches for the query, to
> retrieve the documents that will be in the response. The node that
> received the initial request will compile the results from all the
> shards and send them back in response to the original request.
> Nutshell: One request from a client expands. With three shards, that
> will be four to seven requests total. If you have 10 shards, it will be
> between 11 and 21 total requests.
>
> Thanks,
> Shawn
>
>
--
Fernando Otero
Sr Engineering Manager, Panamera
Buenos Aires - Argentina
Mobile: +54 911 67697108
Email: fernando.ot...@olx.com
