Limits on the use of resources such as projects, Logstores, machine groups, log groups, and alerts - Simple Log Service

This topic describes the limits on the use of Simple Log Service resources, such as projects, Logstores, machine groups, log groups, and alerts.

Note

You are not charged for scale-out operations. After scale-out is performed, you are charged for new resources based on the latest billing rules. For more information, see Billing overview.

Item	Description	Adjustable
Project	You can create a maximum of 100 projects within an Alibaba Cloud account.	To increase the quota, submit a ticket.
Logstore	You can create a maximum of 200 Logstores in a project.	To increase the quota, submit a ticket.
Shard	You can create a maximum of 400 shards in a project. When you create a Logstore in the Simple Log Service console, you can create a maximum of 10 shards in the Logstore. When you create a Logstore by calling an API operation, you can create a maximum of 100 shards in the Logstore. You can split shards to increase the number of shards by using the preceding methods.	To increase the quota, submit a ticket.
Logtail configuration	You can create a maximum of 200 Logtail configurations in a project.	To increase the quota, submit a ticket. After you install Logtail on a server and create a Logtail configuration in the Simple Log Service console, Simple Log Service delivers the Logtail configuration to the server in real time. For more information about Logtail, see Log collection process of Logtail.
Log retention period	You can specify a log retention period in the unit of days. Valid values range from 1 to 3650. A value of 3650 specifies permanent storage. Warning After the retention period ends, logs are automatically deleted.	N/A
Machine group	You can create a maximum of 200 machine groups in a project.	To increase the quota, submit a ticket.
Consumer group	You can create a maximum of 30 consumer groups in a Logstore.	You can delete consumer groups that are not in use.
Saved search	You can create a maximum of 100 saved searches in a project.	N/A
Dashboard	You can create a maximum of 100 dashboards in a project. A dashboard can contain a maximum of 200 charts.	N/A
LogItem	The maximum size of a log that can be collected by calling an API operation is 10 MB. The maximum size of a log that can be collected by using Logtail is 512 KB.	N/A
LogItem (key)	The maximum size of a LogItem (key) is 128 bytes.	N/A
LogItem (value)	The maximum size of a LogItem (value) is 1 MB.	N/A
Log group	The maximum size of a log group is 5 MB.	N/A
Alert rule	You can create a maximum of 100 alert rules in a project.	To increase the quota, submit a ticket.