DO NOT USE THIS INSTANCE FOR LIVE DATA!!!!
New HDFS chaos test in SOLR-8123 hits a number of types of failures, including shard inconsistency.
SOLR-8586 Implement hash over all documents to check for shard synchronization
SOLR-6406 ConcurrentUpdateSolrServer hang in blockUntilFinished.
SOLR-8203 Stop processing updates more quickly on shutdown