@@ -669,11 +669,12 @@
 	      (time2 (if (file-exists? fulln)
 			 (file-modification-time fulln)
 			 (begin
 			   (debug:print-info 0 *default-log-port* "Sync - I do not see file "fulln)
 			   0)))
-	      (changed (> time1 time2))
+	      ;; (changed (> time1 time2))
+              (changed ( < (- time2 time1) 6.0)) ;; dest db not updated within last 6 seconds
 	      (do-cp (cond
 		      ((not (file-exists? fulln)) ;; shouldn't happen, but this might recover
 		       (debug:print-info 0 *default-log-port* "File "fulln" not found! Copying "fname" to "fulln)
 		       #t)
 		      (changed ;; (and changed
@@ -759,11 +760,11 @@
 			    (file-modification-time destfile)
                          )
 			 (begin
 			   (debug:print-info 0 *default-log-port* "Sync - I do not see file " destfile)
 			   0)))
-	      (changed (> time1 time2))
+	      (changed ( < (- time2 time1) 6.0)) ;; dest db not updated within last 6 seconds
 
       (do-cp (cond
 		      ((not (file-exists? destfile)) ;; shouldn't happen, but this might recover
 		       (debug:print-info 2 *default-log-port* "File " destfile " not found. Copying "srcfile" to "destfile)
                        (system (conc "/bin/mkdir -p " dest-directory))
@@ -783,11 +784,11 @@
                     (subdb (or (dbfile:get-subdb dbstruct run-id) (dbfile:init-subdb dbstruct run-id dbfile:db-init-proc)))
                     (mtdb      (dbr:subdb-mtdbdat subdb))
                     (tmpdb     (dbfile:open-db dbstruct run-id dbfile:db-init-proc))
 
                     )
-	       (debug:print-info 0 *default-log-port* "delta syncing file: " srcfile ", time diff: " (- time1 time2) " seconds")
+	       (debug:print-info 2 *default-log-port* "delta syncing file: " srcfile ", time diff: " (- time1 time2) " seconds")
 
                (if old2new
                  (begin
                    (if dejunk (db:clean-up run-id mtdb))
 		   (db:sync-tables (db:sync-all-tables-list dbstruct (db:get-keys dbstruct)) #f mtdb tmpdb)