narcissus: keep sleeping till the load goes down

Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>

scripts/sleep.sh

@@ -1,12 +1,16 @@
 #!/bin/sh
 
 LOAD="$(cat /proc/loadavg | awk -F. '{print $1}')"
+iter=1
 
-if [ $LOAD -gt 8 ] ; then
-	echo "load too high: $LOAD, sleeping"
-	sleep 20
-	sleep $LOAD
-	echo "$(date) load too high: $LOAD, sleeping" >> /tmp/foo
-else
-	echo "load acceptable: $LOAD, continuing"
+while [ $LOAD -gt 12 ] ; do
+	echo "load too high: $LOAD, sleeping - $iter"
+	echo "$(date) load too high: $LOAD, sleeping - $iter" >> /tmp/foo
+	sleep 5
+	iter=$(( $iter + 1 ))
+	LOAD="$(cat /proc/loadavg | awk -F. '{print $1}')"
+done
+
+if [ $iter -gt 1 ] ; then
+	echo "load acceptable again, continuing after $iter sleep cycles" >> /tmp/foo
 fi