Thanos is an open-source project that provides highly available Prometheus setup with long-term storage capabilities. It is designed to scale out Prometheus by providing a global query view, deduplication, and downsampling of data. Thanos is widely used for monitoring and alerting in cloud-native environments.
When using Thanos, you might encounter the error message: query: context deadline exceeded
. This typically occurs when a query takes longer to execute than the allowed time, resulting in a timeout.
Users will notice that queries fail to return results within the expected timeframe, and the error message is displayed in the logs or user interface.
The error query: context deadline exceeded
indicates that the query execution time exceeded the predefined timeout limit. This can happen due to large data volumes being queried or slow response times from StoreAPIs.
To resolve the context deadline exceeded
error, consider the following steps:
rate()
and irate()
to optimize performance.--query.timeout
flag:thanos query --query.timeout=2m
By optimizing queries, adjusting timeout settings, and enhancing StoreAPI performance, you can effectively address the query: context deadline exceeded
error in Thanos. For further assistance, consult the Thanos troubleshooting guide.
(Perfect for DevOps & SREs)
(Perfect for DevOps & SREs)