fix(historian): retention applock release hardening, shutdown-quiet cancellation, release tests, docs (#667 review)

2026-10-11 08:27:31 -04:00
parent 924eff8d3c
commit e4123ada91
4 changed files with 69 additions and 15 deletions
@@ -66,8 +66,9 @@ public sealed class HistorianRetentionService : BackgroundService
            }
            return true;
        }
-        catch (OperationCanceledException) when (ct.IsCancellationRequested)
+        catch (Exception) when (ct.IsCancellationRequested)
        {
+            // Shutdown: SqlClient surfaces cancellation as SqlException, not only OperationCanceledException.
            return false;
        }
        catch (Exception ex)