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Query result set has exceeded the internal ... limit

Applies to: ✅ Microsoft Fabric ✅ Azure Data Explorer ✅ Azure Monitor ✅ Microsoft Sentinel

A query result set has exceeded the internal ... limit is a kind of partial query failure that happens when the query's result has exceeded one of two limits:

• A limit on the number of records (record count limit, set by default to 500,000)
• A limit on the total amount of data (data size limit, set by default to 67,108,864 (64MB))

There are several possible courses of action:

• Change the query to consume fewer resources. For example, you can:
  • Limit the number of records returned by the query using the take operator or adding additional where clauses.
  • Try to reduce the number of columns returned by the query. Use the project operator, the project-away operator, or the project-keep operator.
  • Use the summarize operator to get aggregated data
• Increase the relevant query limit temporarily for that query. For more information, see Result truncation under query limits.

Note

We don't recommend that you increase the query limit, since the limits exist to protect the database. The limits make sure that a single query doesn't disrupt concurrent queries running on the database.