What are the kind of queries you have? Are they the same 80% of the time? If yes, they will hit a few nodes all the time.
On Sat, 30 Sept 2023, 15:07 Vincenzo D'Amore, <v.dam...@gmail.com> wrote: > Hi Rajani, > > how many documents do you have in your collection? > The nodes that consistently display high latency, do they have the same > replicas? I mean, are they the only nodes where such high latency queries > can be executed? > > On Fri, Sep 29, 2023 at 9:29 PM rajani m <rajinima...@gmail.com> wrote: > > > Hi Solr Users, > > > > What could cause some nodes in a cluster to have high query latency > > when compared to the rest? > > > > It is Solr 9.1.1 cluster of 32 nodes. Cluster has one collection divided > > into 32 shards and replication 3, so each node has one Solr server > hosting > > 3 replicas. It is composite router collection so documents are evenly > > distributed across collection. Node roles are default so all the nodes > are > > coordinator nodes and data nodes. The leader nodes are spread across the > > nodes. > > > > Should every shard not work the same and have close to same latency? > Looks > > like 3 of 32 nodes consistently display high latency ( 1-2 seconds QTime) > > compared to the rest of the nodes(~30 ms). What can cause this behavior? > > > > > -- > Vincenzo D'Amore >