Logtail FAQ-Simple Log Service(SLS)-阿里云帮助中心

Find answers to frequently asked questions about Logtail, organized by category.

Category		Related documentation
Basic concepts		Basic questions about Logtail Comparison of log collection agents
Heartbeat issues		Troubleshoot machine group issues for Logtail (host scenarios)
Collection issues	General scenarios	Query the local collection status How to view Logtail collection error messages Troubleshoot Logtail log collection failures Common error types for data collection in Simple Log Service How to collect logs from a file multiple times Use CloudLens to troubleshoot issues caused by an excessive number of files or folders (STAT_LIMIT_ALARM and DIR_EXCEED_LIMIT_ALARM) Use CloudLens to troubleshoot duplicate file configuration issues in iLogtail (MULTI_CONFIG_MATCH_ALARM) Use CloudLens to troubleshoot collection configuration errors in iLogtail (CATEGORY_CONFIG_ALARM) Use CloudLens to troubleshoot iLogtail restart issues
	Container scenarios	How to troubleshoot exceptions in container log collection
Deployment and management issues	General scenarios	The IP address is empty in the app_info.json file of the Logtail service How to update machine group configurations after switching an ECS instance from the classic network to a VPC How to collect logs from servers in a corporate intranet Logtail automatic diagnosis tool
	Windows scenarios	An exception message appears in the service log when you install Logtail on a Windows instance
	Container scenarios	How to collect container logs from a Kubernetes cluster
Log format parsing issues		Debugging regular expressions How to optimize the performance of a regular expression How to collect logs in multiple formats Use CloudLens to troubleshoot log time parsing errors How to set non-printable characters in a log sample
Error codes		Common error types for data collection in Simple Log Service
Server-side resource monitoring		Use CloudLens for SLS to monitor project resource quotas