phillipleblanc commented on code in PR #1893:
URL:
https://github.com/apache/datafusion-ballista/pull/1893#discussion_r3611672767
##########
ballista/scheduler/src/scheduler_server/query_stage_scheduler.rs:
##########
@@ -180,6 +180,11 @@ impl<T: 'static + AsLogicalPlan, U: 'static +
AsExecutionPlan>
.post_event(QueryStageSchedulerEvent::ReviveOffers)
.await?;
}
+
+ // Notify external systems that new work is available
+ if let Some(ref callback) = self.config.on_work_available {
+ callback(&format!("job_submitted:{job_id}"));
Review Comment:
Fixed. The callback now fires only after `graph.revive()` has run (in
`update_job`, and `submit_plan` revives before caching), which is the exact
point tasks become visible to poll_work. Now a woken executor's first poll
always finds the work.
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