获取指定索引的参数的值。获取指定索引的全部参数，命令样例如下：curl-XGET"https://localhost:9200/testindex_002/_settings?pretty"--cacert$ES_HOME/config/certs/http_ca.crt-u"elastic:ohCxPH=QBE+s5=*lo7F9"执行结果的样例，如下：{"testindex_002":{"

使用已有的索引，复制得到一个索引。关闭testindex_001的写入操作，命令样例如下：curl-XPUT"https://localhost:9200/testindex_001/_settings?pretty"-H'Content-Type:application/json'-d'{"settings":{"index.blocks.write":true}}

创建指定名称的index。命令样例如下：curl-XPUT"https://localhost:9200/testindex_002?pretty"-H'Content-Type:application/json'-d'{"settings":{"index":{"number_of_shards":3,"number

本方法用于清理缓存。命令样例如下：curl-XPOST"https://localhost:9200/testindex_001/_cache/clear?pretty"--cacert$ES_HOME/config/certs/http_ca.crt-u"elastic:ohCxPH=QBE+s5=*lo7F9"执行结果的样例，如下：{"_shards":{"total":2,