命令样例如下：

curl -X GET "https://localhost:9200/_cat/nodeattrs?v=true&pretty" --cacert $ES_HOME/config/certs/http_ca.crt -u "elastic:ohCxPH=QBE+s5=*lo7F9"

执行结果输出如下：

node          host      ip        attr                           value
jackie-ubuntu 127.0.0.1 127.0.0.1 ml.allocated_processors        4
jackie-ubuntu 127.0.0.1 127.0.0.1 ml.allocated_processors_double 4.0
jackie-ubuntu 127.0.0.1 127.0.0.1 ml.max_jvm_size                2021654528
jackie-ubuntu 127.0.0.1 127.0.0.1 ml.config_version              11.0.0
jackie-ubuntu 127.0.0.1 127.0.0.1 xpack.installed                true
jackie-ubuntu 127.0.0.1 127.0.0.1 transform.config_version       10.0.0
jackie-ubuntu 127.0.0.1 127.0.0.1 ml.machine_memory              4040327168

查看帮助，命令如下：

curl -X GET "https://localhost:9200/_cat/nodeattrs?v=true&help=true&pretty" --cacert $ES_HOME/config/certs/http_ca.crt -u "elastic:ohCxPH=QBE+s5=*lo7F9"

执行结果输出如下：

node  | name       | node name
id    | id,nodeId  | unique node id
pid   | p          | process id
host  | h          | host name
ip    | i          | ip address
port  | po         | bound transport port
attr  |   | attribute description
value | attr.value | attribute value

相关资料

• cat nodeattrs API
• API conventions
• HTTP accept header