Troubleshoot queries
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Troubleshoot SQL and InfluxQL queries that return unexpected results.
Why doesn’t my query return data?
If a query doesn’t return any data, it might be due to the following:
- Your data falls outside the time range (or other conditions) in the query–for example, the InfluxQL
SHOW TAG VALUEScommand uses a default time range of 1 day. - The query (InfluxDB server) timed out.
- The query client timed out.
If a query times out or returns an error, it might be due to the following:
- a bad request
- a server or network problem
- it queries too much data
Understand Arrow Flight responses and error messages for queries.
Optimize slow or expensive queries
If a query is slow or uses too many compute resources, limit the amount of data that it queries.
See how to optimize queries and use tools to view runtime metrics, identify bottlenecks, and debug queries.
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Support and feedback
Thank you for being part of our community! We welcome and encourage your feedback and bug reports for InfluxDB and this documentation. To find support, use the following resources:
Customers with an annual or support contract can contact InfluxData Support.