Andy Grove created ARROW-9716:
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Summary: [Rust] [DataFusion] MergeExec should have concurrency
limit
Key: ARROW-9716
URL: https://issues.apache.org/jira/browse/ARROW-9716
Project: Apache Arrow
Issue Type: Bug
Components: Rust, Rust - DataFusion
Reporter: Andy Grove
Assignee: Andy Grove
Fix For: 1.0.1, 2.0.0
MergeExec currently spins up one thread per input partition which causes apps
to effectively hang if there are substantially more partitions than available
cores.
We can implement a configurable limit here pretty easily.
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