Thanks Emir!
I was already looking at preferLocalShards but I wasn't sure it'll help
with only 1 shard, I'll give it a try
On Thu, Oct 25, 2018 at 11:26 AM Emir Arnautović <
emir.arnauto...@sematext.com> wrote:
> Hi Fernando,
> I did not look at code and not sure if there is special handling in case
> of a single shard collection, but Solr does not have to choose local shard
> to query. It assumes that one node will receive all requests and that it
> needs to balance. What you can do is add preferLocalShards=true to make
> sure local shards are queried.
>
> HTH,
> Emir
> --
> Monitoring - Log Management - Alerting - Anomaly Detection
> Solr & Elasticsearch Consulting Support Training - http://sematext.com/
>
>
>
> > On 25 Oct 2018, at 16:18, Fernando Otero <fernando.ot...@olx.com> wrote:
> >
> > 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
>
>
--
Fernando Otero
Sr Engineering Manager, Panamera
Buenos Aires - Argentina
Mobile: +54 911 67697108
Email: fernando.ot...@olx.com
