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Posted to issues@arrow.apache.org by "Andy Grove (Jira)" <ji...@apache.org> on 2020/08/13 00:20:00 UTC
[jira] [Created] (ARROW-9716) [Rust] [DataFusion] MergeExec should
have concurrency limit
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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