hello,my name is weixiaofeng. I'm from China, I'm a java developer.Recently we use the technology of solr to complete search big data.we were in trouble in module CDCR（Cross Data Center Replication） of solrCloud。
The goal of the project is to replicate data to multiple Data Centers to support Near Real Time Searching by immediately forwarding updates between nodes in the cluster on a per-shard basis. but it doesn't work .I don't know how to solve this question.I'm very anxious about it.so can you help me？ thank you！
