Pivot facets其实也就是双重分组facet.pivot=stream_size,title 先根据 stream_size 分组 ,再根据 title 分组[root@h102 solr-5.3.0...q=*:*&rows=0&wt=json&indent=on&facet=on&facet.pivot=stream_size,title"{ "responseHeader":{ "status...0, "QTime":5265, "params":{ "facet":"on", "indent":"on", "q":"*:*", "wt":"json...API)", "count":1}, { "field":"title", "value":"org.apache.solr.search.join...API)", "count":1}, { "field":"title", "value":"org.apache.solr.store.hdfs