These settings are available in system.settings and are autogenerated from source.
max_number_of_partitions_for_independent_aggregation
Type
UInt64
Default
128
Maximal number of partitions in table to apply independent aggregation per partition. Part of the cost heuristic of allow_aggregate_partitions_independently.
max_number_of_partitions_for_independent_distinct
Type
UInt64
Default
128
Version history
| Version | Default value | Comment |
|---|---|---|
| 26.8 | 128 | New setting: maximal number of partitions to apply independent per-partition `DISTINCT`. |
Maximal number of partitions in table to apply independent DISTINCT per partition. Part of the cost heuristic of allow_distinct_partitions_independently.
max_number_of_partitions_for_independent_window
Type
UInt64
Default
128
Version history
| Version | Default value | Comment |
|---|---|---|
| 26.8 | 128 | New setting: maximal number of partitions to apply independent per-partition evaluation of window functions. |
Maximal number of partitions in table to apply independent evaluation of window functions per partition. Part of the cost heuristic of allow_window_partitions_independently.