FAQ

• Pre-sales FAQ

• FAQ about billing

• FAQ about data storage

• FAQ about query and analysis

• FAQ about data transformation

• FAQ about consumption and shipping

Pre-sales FAQ

• What is Simple Log Service?

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

• What are the benefits of using Simple Log Service?

• Which types of data can be collected by Simple Log Service?

• 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 the data be stored 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 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 storage

• How does Simple Log Service store and manage user logs?

• 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 Simple Log Service costs if I want to store logs in OSS?

• How do I delete logs?

• Why do I receive an "Operation denied, insufficient permissions" error when deleting a project?

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?

Consumption and shipping

• Why is the real-time consumption rate below the shard's read/write threshold?

• Why does log shipping to OSS fail?

Alerting

Legacy alerts

Development

• FAQ about the Simple Log Service CLI