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PolarDB:ganos.raster.max_cache_size

Last Updated:Mar 28, 2026

Sets the maximum in-database buffer size for raster data operations. Increase this value when raster queries are slow due to frequent disk reads, or decrease it to free memory on instances with limited RAM.

Data type

Integer (unit: MB)

Values

PropertyValue
Valid range10–1024
Default100

Example

SET ganos.raster.max_cache_size = 100;