andygrove commented on a change in pull request #683:
URL: https://github.com/apache/arrow-datafusion/pull/683#discussion_r664229657
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File path: ballista/rust/core/src/utils.rs
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@@ -234,7 +234,9 @@ fn build_exec_plan_diagram(
/// Create a DataFusion context that is compatible with Ballista
pub fn create_datafusion_context() -> ExecutionContext {
- let config = ExecutionConfig::new().with_concurrency(2); // TODO: this is
hack to enable partitioned joins
+ let config = ExecutionConfig::new()
+ .with_concurrency(1)
+ .with_partitions(4); // TODO: make it easier to configure from Ballista
Review comment:
I filed https://github.com/apache/arrow-datafusion/issues/682 for this
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