# Collection Level Metrics Returns, adds, and edits pinned namespaces for the specified cluster or process. Also returns collection level latency metric data. ## Operations - [Return Pinned Namespaces](https://www.mongodb.com/ko-kr/docs/api/doc/atlas-admin-api-v2/2025-02-19/operation/operation-listgroupclustercollstatpinnednamespaces.md) - [Pin Namespaces](https://www.mongodb.com/ko-kr/docs/api/doc/atlas-admin-api-v2/2025-02-19/operation/operation-pingroupclustercollstatpinnednamespaces.md) - [Add Pinned Namespaces](https://www.mongodb.com/ko-kr/docs/api/doc/atlas-admin-api-v2/2025-02-19/operation/operation-updategroupclustercollstatpinnednamespaces.md) - [Unpin Namespaces](https://www.mongodb.com/ko-kr/docs/api/doc/atlas-admin-api-v2/2025-02-19/operation/operation-unpingroupclustercollstatunpinnamespaces.md) - [Return Ranked Namespaces from One Cluster](https://www.mongodb.com/ko-kr/docs/api/doc/atlas-admin-api-v2/2025-02-19/operation/operation-getgroupclustercollstatnamespaces.md) - [Return Cluster-Level Query Latency](https://www.mongodb.com/ko-kr/docs/api/doc/atlas-admin-api-v2/2025-02-19/operation/operation-listgroupclustercollstatmeasurements.md) - [Return All Metric Names](https://www.mongodb.com/ko-kr/docs/api/doc/atlas-admin-api-v2/2025-02-19/operation/operation-listgroupcollstatmetrics.md) - [Return Ranked Namespaces from One Host](https://www.mongodb.com/ko-kr/docs/api/doc/atlas-admin-api-v2/2025-02-19/operation/operation-getgroupprocesscollstatnamespaces.md) - [Return Host-Level Query Latency](https://www.mongodb.com/ko-kr/docs/api/doc/atlas-admin-api-v2/2025-02-19/operation/operation-listgroupprocesscollstatmeasurements.md) [Powered by Bump.sh](https://bump.sh)