FAQs

• Pre-sales

• Billing

• Data collection

• Data storage

• Query and analysis

• Data transformation

• Consumption and shipping

Pre-sales

• What is Simple Log Service?

• How can Simple Log Service contribute to the success of business?

• What are the benefits of Simple Log Service?

• FAQ

• Which methods can be used by Simple Log Service to collect data?

• Does Alibaba Cloud use the data that I store in Simple Log Service?

• Does Alibaba Cloud store their own data in Simple Log Service?

• How does Simple Log Service ensure its stability during traffic spikes?

• How do I store data in Simple Log Service at low costs?

• How long can I store data in Simple Log Service?

• How do I get started with Simple Log Service?

• What do I do if I have specific requirements on Simple Log Service?

Billing

• Stop billing
• Why do I have overdue payments after purchasing a resource plan?
• How do I select resource plan specifications?
• Why are index traffic fees several times higher than read and write traffic fees?
• Why am I charged for active shard leases?
• Why am I charged just for creating a Project and a Logstore?
• Why am I still charged after deleting Projects and Logstores?
• Does querying and analyzing logs in the console generate public read traffic?
• How do I reduce index traffic fees?

Data collection

• FAQ about Logtail

• Troubleshoot Logtail collection errors

• How do I use the Logtail automatic diagnostic tool?

• What do I do if Simple Log Service detects no heartbeat connections from Logtail?

• Do I need to update Logtail configurations after the network type is changed from classic network to VPC?

• What do I do if the IP address is empty in the app_info.json file of Logtail?

• How do I collect logs from servers in a corporate intranet?

• Troubleshoot container log collection issues

• Query local collection status

• How do I set invisible characters in log samples?

• How do I view Logtail collection errors?

• Common collection errors

• How do I test a regular expression?

• How do I optimize regular expressions?

• How do I collect different types of logs when Full Regex Mode is used?

• How do I collect container logs of a Kubernetes cluster?

• Why am I unable to collect SLB access logs?

• Comparison of log collection agents

• Abnormal log messages appear after you install Logtail on a Windows ECS instance

• How to configure the time conversion format of log service

Data storage

• Log storage and management

• Are logs lost when I delete a Logstore?

• How long is log data stored in Simple Log Service? Can I change the data retention period?

• How can I reduce the expenditure on Simple Log Service if I want to store logs to OSS?

• How do I delete logs?

• Error message "Operation denied, insufficient permissions" is returned when you delete a project in the Simple Log Service console

Query and analysis

• FAQ about log query

• What do I do if no results are returned when I query a log?

• What can I do if the "The results are inaccurate" error occurs?

• How do I resolve common errors that may occur when I query and analyze logs?

• What are the differences between LogHub and LogSearch?

• How do I query logs by using fuzzy match?

• How do I query logs by using exact match?

• How do I use quotation marks in query statements?

• FAQ about the query and analysis of JSON logs

• Configure a field index in log service

• How do I modify the number of rows output by an SQL query statement?

• How do I query the source machines and log entries?

• How to precisely sort query logs by time?

• How do I download logs to a local device?

• How to search for keywords that contain spaces in logs?

Data transformation

• Troubleshooting overview

• How can I fix the startup errors of the data transformation engine?

• How can I fix errors that occur when the data transformation engine reads data from a source Logstore?

• How can I fix errors related to data transformation rules?

• How can I fix data pull errors?

• How can I fix errors that occur during data outputs to the target Logstore?

• How can I fix errors that occur when I pull Logstore data (dimension table)?

• How can I fix errors that occur during data pulls from OSS?

• How do I fix errors in the syntax used to load data from ApsaraDB RDS for MySQL?

• How do I dynamically construct a field?

• How do I send a log entry to different storage targets with different field sets?

• What do I do if the destination Logstores contain no data?

• What do I do if the destination Logstores contain unexpected data?

• What do I do if latency occurs during data transformation?

Consumption and shipping

• Why does the data consumption rate of real-time consumption not reach the upper read and write threshold of the shard?

• How do I verify data integrity after shipping logs to MaxCompute?

• Failed to deliver logs to OSS

Alerting

• FAQ about legacy alerts

Development

• SLS error codes

• FAQ about the Simple Log Service CLI