This topic describes the limits in ActionTrail.
|Number of trails that is created by an Alibaba Cloud account in each region||5|
|Number of Object Storage Service (OSS) buckets that can be configured for a trail||1|
|Waiting time to query a log by using the Alibaba Cloud Management Console after an event occurs||10 minutes|
|Time required for being able to query a log in the OSS bucket after an event occurs||10 minutes|
|Number of days that ActionTrail events are retained for query by using the Alibaba Cloud Management Console or calling API operations||90 days|
|Maximum number of times that historical events for a single-account trail are queried per second by using the Alibaba Cloud Management Console or calling the LookupEvents operation||2|
|Size of a compressed ActionTrail event log file that is saved to an OSS bucket||2 KB|