Configuration properties for Presto (C++) - worker nodes
You can customize the worker configuration properties through an API for Presto (C++).
Property name | Type | Validation added |
---|---|---|
task.max-drivers-per-task |
Integer | Limit {1, 100} |
system-memory-gb |
Integer | Limit {1, 1000} |
query-memory-gb |
Integer | Limit {1, 10000} |
query.max-memory-per-node |
Integer | Limit {1, 1000} |
async-data-cache-enabled |
Boolean | True or False |
query-reserved-memory-gb |
Integer | Limit {1, 1000} |
system-mem-limit-gb |
Integer | Limit {1, 1e13} |
system-mem-shrink-gb |
Integer | Limit {1, 1e13} |
system-mem-pushback-enabled |
Boolean | True or False |
Properties to be customized under support guidance
Though most of the properties can be customized by the watsonx.data administrators, the following properties must be customized under the guidance of the watsonx.data support team.
Property name | Type | Validation added |
---|---|---|
runtime-metrics-collection-enabled |
Boolean | True or False |
system-mem-pushback-enabled |
Boolean | True or False |
system-mem-limit-gb |
Integer | Limit{1, 100000} |
system-mem-shrink-gb |
Integer | Limit{1, 100000} |