How long are the cpu spikes? On Thu, 12 Oct 2023, 16:47 Sergio García Maroto, <marot...@gmail.com> wrote:
> Hi everyone, > > I have at the moment a SolrCloud cluster with 3 servers and few different > collections with all of them replicated to the 3 servers without sharding. > I am using streaming expressions retrieving and joining data from these > collections so everyhting happens on indivial servers as all data are > sitting together in the same server. > This expressions are getting pretty complex and we had to scale vertically > the instance types on AWS a few times. > > I am now trying to split the cluster using sharding and having more servers > with smaller instance types to try to see wher we are able to scale > horizzontally. > First thing I noticed is there is a huge CPU spike when sharing from 1 > shard to 8 shards. > > Is this something which makes sense? I know now we have to move data across > servers when on 1 shard everyhitng happened on same server. > Why when shardin we have such a big CPU usage increase? > > Thanks a lot. > Sergio Maroto >
