FAQs about Logtail - Simple Log Service - Alibaba Cloud Documentation Center

This topic provides answers to some frequently asked questions (FAQ) about Logtail.

Category		References
Terms		FAQs about Logtail What are the differences among log collection agents?
Heartbeat detection		How do I troubleshoot an error that is related to a Logtail machine group in a host environment?
Data collection	Common scenarios	Query local collection status How do I view Logtail collection errors? What do I do if errors occur when I use Logtail to collect logs? How do I troubleshoot the common errors that may occur when Simple Log Service collects logs? How do I collect multiple copies of logs in a file?
	Container scenarios	What do I do if errors occur when I collect logs from containers?
Deployment and control	Common scenarios	What do I do if the IP address is empty in the app_info.json file of Logtail? How do I update a Logtail configuration after I switch the network type of an ECS instance from the classic network to a VPC? Collect logs from servers in a corporate intranet Self-service diagnostic tool of Logtail
	Windows server scenarios	What do I do if error messages appear after I install Logtail on a Windows ECS instance?
	Container scenarios	How do I collect container logs from Kubernetes clusters?
Log formats and parsing		How do I debug a regular expression? How do I optimize regular expressions? How do I collect different types of logs?
Error codes		How do I troubleshoot the common errors that may occur when Simple Log Service collects logs?