User-defined Functions

udf_memory_limit

Parameter description: Specifies the maximum physical memory that can be used when each CN or DN executes UDFs. This parameter does not take effect in the current version.

Parameter type: integer.

Unit: KB

Value range: 200 x 1024 to 2147483647

Default value: 204800 (that is, 200 MB)

Setting method: This is a POSTMASTER parameter. Set it based on instructions provided in Table 1. For example, if this parameter is set to 204800 without a unit, it indicates 204800 KB. If this parameter is set to 300MB, it indicates 300 MB. The unit must be KB, MB, or GB if required.

Setting suggestion: Retain the default value.

Risks and impacts of improper settings: Change the parameter value after fully understanding the parameter meaning and verifying it through testing.