Replication opens new SegmentReader for all segments which deem unnecessary

Hi all! We are testing multiple replica setup here (1 NRT + 1 PULL) and noticed that CPU consumption for replication is unreasonably high. Profiling shows that `SolrCore#openNewSearcher` triggered from `IndexFetcher` takes much more CPU time than the same method triggered from regular commits. De

Re: [solr] branch main updated: More test cases for Coordinator node role (#1782)

Hi Chris, Thanks for bringing that to our attention! The test cases were added by me and Houston has informed us of similar failure as well. We have applied and merged a fix as in https://github.com/apache/solr/pull/1939. Hopefully it calms the test cases. Please let me know if you still see the