Trino, formerly known as PrestoSQL, is an open-source distributed SQL query engine designed to query large datasets across various data sources. It is optimized for fast analytical queries and is widely used for big data analytics. Trino allows users to perform interactive queries on data stored in Hadoop, AWS S3, Google Cloud Storage, and other data sources.
When using Trino, you might encounter the error code TOO_MANY_REQUESTS. This error indicates that the system is overwhelmed by the number of incoming requests, leading to performance degradation or failure to process queries.
The TOO_MANY_REQUESTS error occurs when Trino receives more requests than it can handle efficiently. This can be due to a high volume of concurrent queries, insufficient system resources, or misconfigured settings that limit the system's capacity to manage requests.
To resolve the TOO_MANY_REQUESTS error, consider the following steps:
Implement rate limiting to control the number of requests sent to Trino. This can be achieved by:
Enhance the system's ability to handle more requests by:
Adjust Trino's configuration settings to better manage resources:
query.max-concurrent-queries setting to increase the number of concurrent queries allowed.query.max-memory and query.max-memory-per-node settings to allocate more memory for query processing.For more information on optimizing Trino and handling high request loads, consider visiting the following resources:
By following these steps and utilizing the resources provided, you can effectively manage and resolve the TOO_MANY_REQUESTS error in Trino, ensuring smooth and efficient query processing.
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