Everybody is good, we ran into two solr problem hope can get help, the amount of data is large, we one day 24.5 TB, record number 110 billion, we had used the 49 solr node, the data is not enough memory expanded to more than 100 cluster, we found that the 60 solrcloud performance and the elder brother of the 49 solr cluster performance is the same, all day how we optimize it, one second an average of 1.5 million, is this why?? The second problem is solrhome can only specify one solrhome, but now the disk is divided into two directories. In addition, solr USES HDFS for storage is slow,how i do? -- ============================== 联创科技 知行如一 ==============================