Index: common.scm
==================================================================
--- common.scm
+++ common.scm
@@ -1587,11 +1587,11 @@
 	 (maxload (max maxload-in 0.5)) ;; so maxload must be greater than 0.5 for now BUG - FIXME?
 	 (first   (car loadavg))
 	 (next    (cadr loadavg))
 	 (adjload (* maxload (max 1 numcpus))) ;; possible bug where numcpus (or could be maxload) is zero, crude fallback is to at least use 1
 	 (loadjmp (- first next))
-         (adjwait (+ (/ (- 1000 count) 10) waitdelay)))
+         (adjwait (+ (random 10)(/ (- 1000 count) 10) waitdelay))) ;; add some randomness to the time to break any alignment where netbatch dumps many jobs to machines simultaneously
     (cond
      ((and (> first adjload)
 	   (> count 0))
       (debug:print-info 0 *default-log-port* "server start delayed " adjwait " seconds due to load " first " exceeding max of " adjload " on server " (or remote-host (get-host-name)) " (normalized load-limit: " maxload ") " (if msg msg ""))
       (thread-sleep! adjwait)

Index: tests/fdktestqa/fdk.config
==================================================================
--- tests/fdktestqa/fdk.config
+++ tests/fdktestqa/fdk.config
@@ -3,11 +3,11 @@
 RELEASE TEXT
 
 [setup]
 # Adjust max_concurrent_jobs to limit how much you load your machines
 # max_concurrent_jobs 150
-max_concurrent_jobs 1000
+max_concurrent_jobs 3000
 
 # This is your link path, you can move it but it is generally better to keep it stable
 linktree #{shell readlink -f #{getenv MT_RUN_AREA_HOME}/../simplelinks}
 
 [include testqa/configs/megatest.abc.config]

Index: tests/fdktestqa/testqa/Makefile
==================================================================
--- tests/fdktestqa/testqa/Makefile
+++ tests/fdktestqa/testqa/Makefile
@@ -3,22 +3,23 @@
 MEGATEST  = $(BINDIR)/megatest
 DASHBOARD = $(BINDIR)/dashboard
 NEWDASHBOARD = $(BINDIR)/newdashboard
 RUNNAME   = a
 NUMTESTS  = 20
+SUBTARG = b
 
 all :
 	$(MEGATEST) -remove-runs -target a/b -runname c -testpatt %/%
 	$(MEGATEST) -run -testpatt % -target a/b -runname c
 
 bigbig :
 	for tn in a b c d;do \
-	   (NUMTESTS=1000 $(MEGATEST) -run -testpatt % -target a/b -runname $$tn & ) ; \
+	   (NUMTESTS=1000 $(MEGATEST) -run -testpatt % -target a/$(SUBTARG) -runname $$tn & ) ; \
 	done
 
 waitonpatt :
-	megatest -remove-runs -runname waitonpatt -target a/b -testpatt %
+	megatest -remove-runs -runname waitonpatt -target a/$(SUBTARG) -testpatt %
 	NUMTESTS=15 megatest -run -target a/b -runname waitonpatt -testpatt bigrun3/%8
 
 waitonall :
 	megatest -remove-runs -runname waitonall -target a/b -testpatt %
 	NUMTESTS=20 megatest -run -target a/b -runname waitonall -testpatt alltop