mysql.performance.created_tmp_tables
The rate of internal temporary tables created by second by the server while executing statements.Dimensions:None
Available on:
Datadog (1)
Interface Metrics (1)
Dimensions:None
Related Insights (1)
Temporary Table Disk Spillwarning
Queries creating temporary tables exceeding tmp_table_size/max_heap_table_size, spilling to disk. Disk-based temporary tables are much slower than in-memory, causing query latency increases. Common with large JOINs, GROUP BY, or DISTINCT operations.
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