diff --git a/src/DatabaseMigrations.fs b/src/DatabaseMigrations.fs
index 3c78d1c..1d6be91 100644
--- a/src/DatabaseMigrations.fs
+++ b/src/DatabaseMigrations.fs
@@ -205,3 +205,11 @@ type RemoveUselessTables () =
     override x.Up() =
         x.Delete.Table "current_jobs"
         |> ignore
+
+[<Migration(20241203_0001L)>]
+type RenameCmdInBacklog () =
+    
+    inherit OnlyUp ()
+    override x.Up() =
+        x.Rename.Column("cmd").OnTable("backlog").To("job")
+        |> ignore
diff --git a/src/Grains.fs b/src/Grains.fs
index 7bc037d..e72cc85 100644
--- a/src/Grains.fs
+++ b/src/Grains.fs
@@ -3,6 +3,7 @@ module Bidello.Grains
 open Orleans
 open System.Threading
 open System.Threading.Tasks
+open NodaTime
 
 open Bidello.Datatypes
 open Bidello.Shell
@@ -13,6 +14,7 @@ type IShellGrain =
     abstract schedule: CancellationToken -> ChainOfJobs -> ValueTask
 
 
+
 type ShellGrain() =
     inherit Orleans.Grain ()
 
@@ -40,7 +42,10 @@ type ShellGrain() =
                     |> Logging.logger.Fatal
 
             let rec run_ (hd: CronJob) (tl: CronJob list) = async {
+                let start_time = SystemClock.Instance.GetCurrentInstant ()
                 let! rc = run_job ct hd |> Async.AwaitTask
+                let end_time = SystemClock.Instance.GetCurrentInstant ()
+                
                 log hd rc
                 match rc, tl with
                 | (Success stdout, hd'::tl')->