Monitoring Metrics for COS

Last Updated At: 2025-10-21 09:10:00

Cloud Monitor provides the following types of monitoring metrics for COS:

Monitoring Metrics for Status Codes

Metric/Event ID Metric Name Unit Metric Description
2xxResponse 2xx status code Count Number of requests returned with 2xx status code
2xxResponseRate Percentage of 2xx status code % Percentage of requests returned with 2xx status code out of total requests
3xxResponse 3xx status code Count Number of requests returned with 3xx status code
3xxResponseRate Percentage of 3xx status code % Percentage of requests returned with 3xx status code out of total requests
4xxResponse 4xx status code Count Number of requests returned with 4xx status code
4xxResponseRate Percentage of 4xx status code % Percentage of requests returned with 4xx status code out of total requests
400Response 400 status code Count Number of requests returned with 400 status code
400ResponseRate Percentage of 400 status code % Percentage of requests returned with 400 status code out of total requests
403Response 403 status code Count Number of requests returned with 403 status code
403ResponseRate Percentage of 403 status code % Percentage of requests returned with 403 status code out of total requests
404Response 404 status code Count Number of requests returned with 404 status code
404ResponseRate Percentage of 404 status code % Percentage of requests returned with 404 status code out of total requests
5xxResponse 5xx status code Count Number of requests returned with 5xx status code
5xxResponseRate Percentage of 5xx status code % Percentage of requests returned with 5xx status code out of total requests
500Response 500 status code Count Number of requests returned with 500 status code
500ResponseRate Percentage of 500 status code % Percentage of requests returned with 500 status code out of total requests
501Response 501 status code Count Number of requests returned with 501 status code
501ResponseRate Percentage of 501 status code % Percentage of requests returned with 501 status code out of total requests
502Response 502 status code Count Number of requests returned with 502 status code
502ResponseRate Percentage of 502 status code % Percentage of requests returned with 502 status code out of total requests
503Response 503 status code Count Number of requests returned with 503 status code
503ResponseRate Percentage of 503 status code % Percentage of requests returned with 503 status code out of total requests
504Response 504 status code Count Number of requests returned with 504 status code

Monitoring Metrics for Requests

Metric/Event ID Metric Name Unit Metric Description
StdReadRequests Read requests for standard storage Times Number of read requests for the standard storage type, calculated based on the number of request commands sent
StdWriteRequests Write requests for standard storage Times Number of write requests for the standard storage type, calculated based on the number of request commands sent
LFReadRequests Infrequent storage read requests Times Number of read requests for infrequent storage type, calculated based on the number of request commands sent
LFWriteRequests Infrequent storage write requests Times Number of write requests for infrequent storage type, calculated based on the number of request commands sent

Monitoring Metrics for Traffic

Metric/Event ID Metric Name Unit Metric Description
UploadFlow Upload traffic Byte Traffic from local to remote
DownloadFlow Download traffic Byte Traffic from remote to local

Monitoring Metrics for Capacity

Metric/Event ID Metric Name Unit Metric Description
BucketCapacity Bucket capacity MB Bucket capacity
BucketsUsedRate Percentage of bucket quota used by the tenant % Percentage of used buckets out of total buckets
CapacityUsedRate Percentage of capacity quota used by the tenant % Percentage of used capacity out of total capacity
ObjectsUsedRate Percentage of object quota used by the tenant % Percentage of used objects out of total objects
ObjCapacityUsedRate Percentage of used bucket capacity quota % Percentage of used bucket capacity out of total bucket capacity
ObjNumsUsedRate Percentage of used bucket object quota % Percentage of used bucket objects out of total bucket objects