| In some cases we do query multiple indexes even w/o sharding |
Are the segments queried in parallel or sequentially when querying multiple indexes?
| but I'm skeptical on this being effectively useful in practice |
There's a discussion on https://issues.apache.org/jira/browse/LUCENE-5299 with some numbers.
| Are you needing this to implement any specific feature in Infinispan? |
Not necessarily, I was experimenting with the AffinityIndexManager which is heavily sharded and was wondering if the parallelisation would help to improve query performance, since it gets severely impacted with the number of shards. |