Basic Resource Constraints

This section describes the constraints on LTS basic resources.

**Table 1** Basic resource constraints
Item	Description	Remarks
Log groups	Up to 100 log groups can be created for a HUAWEI ID. Each log group name must be unique.	To increase the upper limit, create a service ticket.
Log streams	Up to 100 log streams can be created in a log group. The log stream name must be unique.	To increase the upper limit, create a service ticket.
Log retention	Logs can be retained for 1 to 365 days.	To increase the upper limit, create a service ticket.
Host groups	Up to 200 host groups can be created for a HUAWEI ID.	To increase the upper limit, create a service ticket.
Quick searches	Up to 50 quick searches can be created in a log stream.	N/A
LogItem (single-line log event)	Using APIs: A single-line log event should be at most 1 MB during ingestion.	N/A
	Using APIs: A single-line log event can contain up to 100 labels.
	Using ICAgent: A single-line log event should be at most 500 KB during ingestion.