diff --git a/bin/reproducible_common.sh b/bin/reproducible_common.sh
index 487de18970ec261bad18f726f19e3d7727e922d7..0d1beea008ee964ede6b94b6b1f05a01afb630ad 100755
--- a/bin/reproducible_common.sh
+++ b/bin/reproducible_common.sh
@@ -857,104 +857,6 @@ create_debian_png_from_table() {
 	rm ${TABLE[$1]}.csv
 }
 
-#
-# create the png (and query the db to populate a csv file...) for Arch Linux
-#
-create_archlinux_png_from_table() {
-	echo "Checking whether to update $2..."
-	# $1 = id of the stats table
-	# $2 = image file name
-	echo "${FIELDS[$1]}" > ${TABLE[$1]}.csv
-	# prepare query
-	WHERE_EXTRA="WHERE suite = '$SUITE'"
-	if [ $1 -eq 0 ] || [ $1 -eq 2 ] ; then
-		# TABLE[0+2] have a architecture column:
-		WHERE_EXTRA="$WHERE_EXTRA AND architecture = '$ARCH'"
-	fi
-	# run query
-	if [ $1 -eq 1 ] ; then
-		# not sure if it's worth to generate the following query...
-		WHERE_EXTRA="AND architecture='$ARCH'"
-
-		# This query became much more obnoxious when gaining
-		# compatibility with postgres
-		query_to_csv "SELECT stats.datum,
-			 COALESCE(reproducible_stretch,0) AS reproducible_stretch,
-			 COALESCE(reproducible_buster,0) AS reproducible_buster,
-			 COALESCE(reproducible_unstable,0) AS reproducible_unstable,
-			 COALESCE(reproducible_experimental,0) AS reproducible_experimental,
-			 COALESCE(FTBR_stretch,0) AS FTBR_stretch,
-			 COALESCE(FTBR_buster,0) AS FTBR_buster,
-			 COALESCE(FTBR_unstable,0) AS FTBR_unstable,
-			 COALESCE(FTBR_experimental,0) AS FTBR_experimental,
-			 COALESCE(FTBFS_stretch,0) AS FTBFS_stretch,
-			 COALESCE(FTBFS_buster,0) AS FTBFS_buster,
-			 COALESCE(FTBFS_unstable,0) AS FTBFS_unstable,
-			 COALESCE(FTBFS_experimental,0) AS FTBFS_experimental,
-			 COALESCE(other_stretch,0) AS other_stretch,
-			 COALESCE(other_buster,0) AS other_buster,
-			 COALESCE(other_unstable,0) AS other_unstable,
-			 COALESCE(other_experimental,0) AS other_experimental
-			FROM (SELECT s.datum,
-			 COALESCE((SELECT e.reproducible FROM stats_builds_per_day AS e WHERE s.datum=e.datum AND suite='stretch' $WHERE_EXTRA),0) AS reproducible_stretch,
-			 COALESCE((SELECT e.reproducible FROM stats_builds_per_day AS e WHERE s.datum=e.datum AND suite='buster' $WHERE_EXTRA),0) AS reproducible_buster,
-			 COALESCE((SELECT e.reproducible FROM stats_builds_per_day AS e WHERE s.datum=e.datum AND suite='unstable' $WHERE_EXTRA),0) AS reproducible_unstable,
-			 COALESCE((SELECT e.reproducible FROM stats_builds_per_day AS e WHERE s.datum=e.datum AND suite='experimental' $WHERE_EXTRA),0) AS reproducible_experimental,
-			 (SELECT e.FTBR FROM stats_builds_per_day e WHERE s.datum=e.datum AND suite='stretch' $WHERE_EXTRA) AS FTBR_stretch,
-			 (SELECT e.FTBR FROM stats_builds_per_day e WHERE s.datum=e.datum AND suite='buster' $WHERE_EXTRA) AS FTBR_buster,
-			 (SELECT e.FTBR FROM stats_builds_per_day e WHERE s.datum=e.datum AND suite='unstable' $WHERE_EXTRA) AS FTBR_unstable,
-			 (SELECT e.FTBR FROM stats_builds_per_day e WHERE s.datum=e.datum AND suite='experimental' $WHERE_EXTRA) AS FTBR_experimental,
-			 (SELECT e.FTBFS FROM stats_builds_per_day e WHERE s.datum=e.datum AND suite='stretch' $WHERE_EXTRA) AS FTBFS_stretch,
-			 (SELECT e.FTBFS FROM stats_builds_per_day e WHERE s.datum=e.datum AND suite='buster' $WHERE_EXTRA) AS FTBFS_buster,
-			 (SELECT e.FTBFS FROM stats_builds_per_day e WHERE s.datum=e.datum AND suite='unstable' $WHERE_EXTRA) AS FTBFS_unstable,
-			 (SELECT e.FTBFS FROM stats_builds_per_day e WHERE s.datum=e.datum AND suite='experimental' $WHERE_EXTRA) AS FTBFS_experimental,
-			 (SELECT e.other FROM stats_builds_per_day e WHERE s.datum=e.datum AND suite='stretch' $WHERE_EXTRA) AS other_stretch,
-			 (SELECT e.other FROM stats_builds_per_day e WHERE s.datum=e.datum AND suite='buster' $WHERE_EXTRA) AS other_buster,
-			 (SELECT e.other FROM stats_builds_per_day e WHERE s.datum=e.datum AND suite='unstable' $WHERE_EXTRA) AS other_unstable,
-			 (SELECT e.other FROM stats_builds_per_day e WHERE s.datum=e.datum AND suite='experimental' $WHERE_EXTRA) AS other_experimental
-			 FROM stats_builds_per_day AS s GROUP BY s.datum) as stats
-			ORDER BY datum" >> ${TABLE[$1]}.csv
-	elif [ $1 -eq 2 ] ; then
-		# just make a graph of the oldest reproducible build (ignore FTBFS and FTBR)
-		query_to_csv "SELECT datum, oldest_reproducible FROM ${TABLE[$1]} ${WHERE_EXTRA} ORDER BY datum" >> ${TABLE[$1]}.csv
-	else
-		query_to_csv "SELECT ${FIELDS[$1]} from ${TABLE[$1]} ${WHERE_EXTRA} ORDER BY datum" >> ${TABLE[$1]}.csv
-	fi
-	# this is a gross hack: normally we take the number of colors a table should have...
-	#  for the builds_age table we only want one color, but different ones, so this hack:
-	COLORS=${COLOR[$1]}
-	if [ $1 -eq 2 ] ; then
-		case "$SUITE" in
-			stretch)	COLORS=40 ;;
-			buster)		COLORS=41 ;;
-			unstable)	COLORS=42 ;;
-			experimental)	COLORS=43 ;;
-		esac
-	fi
-	local WIDTH=1920
-	local HEIGHT=960
-	# only generate graph if the query returned data
-	if [ $(cat ${TABLE[$1]}.csv | wc -l) -gt 1 ] ; then
-		echo "Updating $2..."
-		DIR=$(dirname $2)
-		mkdir -p $DIR
-		echo "Generating $2."
-		/srv/jenkins/bin/make_graph.py ${TABLE[$1]}.csv $2 ${COLORS} "${MAINLABEL[$1]}" "${YLABEL[$1]}" $WIDTH $HEIGHT
-		mv $2 $ARCHBASE/$DIR
-		[ "$DIR" = "." ] || rmdir $(dirname $2)
-	# create empty dummy png if there havent been any results ever
-	elif [ ! -f $ARCHBASE/$DIR/$(basename $2) ] ; then
-		DIR=$(dirname $2)
-		mkdir -p $DIR
-		echo "Creating $2 dummy."
-		convert -size 1920x960 xc:#aaaaaa -depth 8 $2
-		mv $2 $ARCHBASE/$DIR
-		[ "$DIR" = "." ] || rmdir $(dirname $2)
-	fi
-	rm ${TABLE[$1]}.csv
-}
-
-
 find_in_buildlogs() {
     egrep -q "$1" $ARCHLINUX_PKG_PATH/build1.log $ARCHLINUX_PKG_PATH/build2.log 2>/dev/null
 }
diff --git a/bin/reproducible_html_archlinux.sh b/bin/reproducible_html_archlinux.sh
index 67c8c6224bf34d8bbde4badbeab00911532a2064..c034ab9a845872855e7fd399a3abd657b26408bf 100755
--- a/bin/reproducible_html_archlinux.sh
+++ b/bin/reproducible_html_archlinux.sh
@@ -437,15 +437,6 @@ if [ -z "$1" ] ; then
 	ARCHLINUX_NR_UNKNOWN=0
 	WIDTH=1920
 	HEIGHT=960
-	# variables related to the stats we update
-	# FIELDS[0]="datum, reproducible, FTBR, FTBFS, other, untested" # FIXME: for this Arch Linux still uses a .csv file...
-	FIELDS[1]="datum"
-	for i in reproducible FTBR FTBFS other ; do
-	        for j in $SUITES ; do
-	                FIELDS[1]="${FIELDS[1]}, ${i}_${j}"
-	        done
-	done
-	FIELDS[2]="datum, oldest"
 
 	repostats
 	dashboard_page
diff --git a/hosts/jenkins/etc/default/jenkins b/hosts/jenkins/etc/default/jenkins
index 76cf27358c5fd113fd4235025ec15adfd7a07808..bb2a1e3102a146836598c0696df1ff5939ddc296 100644
--- a/hosts/jenkins/etc/default/jenkins
+++ b/hosts/jenkins/etc/default/jenkins
@@ -17,7 +17,7 @@ JAVA_ARGS="-Djava.awt.headless=true"
 #JAVA_ARGS="-Xmx256m"
 #JAVA_ARGS="-Djava.net.preferIPv4Stack=true" # make jenkins listen on IPv4 address
 # See some recommendation from https://jenkins.io/blog/2016/11/21/gc-tuning/
-JAVA_ARGS="$JAVA_ARGS -Xms8G -Xmx24G"  # heap settings
+JAVA_ARGS="$JAVA_ARGS -Xms4G -Xmx8G"  # heap settings
 JAVA_ARGS="$JAVA_ARGS -server -XX:+AlwaysPreTouch"
 # store heap dumps in case of OOM, to investigate it later
 JAVA_ARGS="$JAVA_ARGS -XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=$JENKINS_HOME/heapDumps/"
@@ -30,8 +30,8 @@ JAVA_ARGS="$JAVA_ARGS -XX:+PrintGCCause -XX:+PrintTenuringDistribution -XX:+Prin
 JAVA_ARGS="$JAVA_ARGS -XX:+UseG1GC -XX:+ExplicitGCInvokesConcurrent -XX:+ParallelRefProcEnabled -XX:+UseStringDeduplication"
 JAVA_ARGS="$JAVA_ARGS -XX:+UnlockExperimentalVMOptions -XX:G1NewSizePercent=20 -XX:+UnlockDiagnosticVMOptions -XX:G1SummarizeRSetStatsPeriod=1"
 # h01ger trying stuff
-JAVA_ARGS="$JAVA_ARGS -XX:+UseCompressedOops -XX:+UseCompressedClassPointers"
-export MALLOC_ARENA_MAX=2
+JAVA_ARGS="$JAVA_ARGS -XX:+UseCompressedOops"
+MALLOC_ARENA_MAX=2
 
 # make jenkins listen on IPv4 address
 #JAVA_ARGS="-Djava.net.preferIPv4Stack=true"