[ https://issues.apache.org/jira/browse/ARROW-9716?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Apache Arrow JIRA Bot reassigned ARROW-9716: -------------------------------------------- Assignee: Andy Grove (was: Apache Arrow JIRA Bot) > [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 > Priority: Major > Labels: pull-request-available > Fix For: 1.0.1, 2.0.0 > > Time Spent: 10m > Remaining Estimate: 0h > > 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. -- This message was sent by Atlassian Jira (v8.3.4#803005)