bin/kafka-topics.sh --zookeeper node01:2181 --alter --topic t_cdr --partitions 10
curl -XPUT http://ip:9200/_cluster/settings -d '{"transient":{"threadpool.bulk.queue_size": 100000}}'
https://blog.csdn.net/wwd0501/article/details/78320971
https://www.jianshu.com/p/9b872a41d5bb