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Fix shutdown race: abort background tasks before closing durability #4581

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Fix shutdown race: abort background tasks before closing durability #4581

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6 changes: 6 additions & 0 deletions crates/core/src/host/host_controller.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -548,6 +548,12 @@ impl HostController {

info!("replica={replica_id} database={database_identity} exiting module");
module.exit().await;
// Abort background tasks before shutting down durability.
// These tasks may call `with_auto_commit`, which calls `request_durability`.
// If the durability channel is already closed, that panics.
host.view_cleanup_task.abort();
host.disk_metrics_recorder_task.abort();
host.tx_metrics_recorder_task.abort();
let db = &module.replica_ctx().relational_db;
info!("replica={replica_id} database={database_identity} exiting database");
db.shutdown().await;
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