How can I resolve the Athena query error "Query exhausted resources at this scale factor"?

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I ran an Amazon Athena query and received the "Query exhausted resources at this scale factor" error.

Resolution

This error might occur if the demands of the query exceed the resources available to the cluster that ran the query. For more information, see Resource limits.

To resolve this issue, follow these best practices to optimize your queries.

Reduce the amount of time to run the query from Athena

To reduce query time, follow these steps:

Query performance tuning

To increase the performance of your queries, follow these steps:

Use EXPLAIN and EXPLAIN ANALYZE statements

Use EXPLAIN and EXPLAIN ANALYZE in Athena for complex queries. The EXPLAIN statement can optimize queries by refining SQL statements and by verifying partition pruning. Make sure that you review the considerations and limitations with the EXPLAIN and EXPLAIN ANALYZE statements.

For more information, see EXPLAIN examples.

Related information

Why do my Amazon Athena queries take a long time to run?

How can I resolve "Query Timeout" errors in Athena?

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