| - | - | prepareThreads| The number of threads used to prepare metrics data to the storage. | SW_CORE_PREPARE_THREADS | 2 |
| - | - | enableEndpointNameGroupingByOpenapi | Automatically groups endpoints by the given OpenAPI definitions. | SW_CORE_ENABLE_ENDPOINT_NAME_GROUPING_BY_OPAENAPI | true |
|cluster|standalone| - | Standalone is not suitable for running on a single node running. No configuration available. | - | - |
| - | zookeeper|nameSpace| The namespace, represented by root path, isolates the configurations in Zookeeper.|SW_NAMESPACE| `/`, root path|
| - | zookeeper|namespace| The namespace, represented by root path, isolates the configurations in Zookeeper.|SW_NAMESPACE| `/`, root path|
| - | - | hostPort| Hosts and ports of Zookeeper Cluster. |SW_CLUSTER_ZK_HOST_PORT| localhost:2181|
| - | - | baseSleepTimeMs| The period of Zookeeper client between two retries (in milliseconds). |SW_CLUSTER_ZK_SLEEP_TIME|1000|
| - | - | maxRetries| The maximum retry time. |SW_CLUSTER_ZK_MAX_RETRIES|3|
| - | - | period | The period of data sync (in seconds). | SW_CONFIG_APOLLO_PERIOD | 60 |
| - | zookeeper|nameSpace| The namespace (represented by root path) that isolates the configurations in the Zookeeper. |SW_CONFIG_ZK_NAMESPACE| `/`, root path|
| - | zookeeper|namespace| The namespace (represented by root path) that isolates the configurations in the Zookeeper. |SW_CONFIG_ZK_NAMESPACE| `/`, root path|
| - | - | hostPort| Hosts and ports of Zookeeper Cluster. |SW_CONFIG_ZK_HOST_PORT| localhost:2181|
| - | - | baseSleepTimeMs|The period of Zookeeper client between two retries (in milliseconds). |SW_CONFIG_ZK_BASE_SLEEP_TIME_MS|1000|
| - | - | maxRetries| The maximum retry time. |SW_CONFIG_ZK_MAX_RETRIES|3|