--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/run_compress.sh	Wed Mar 24 10:16:42 2021 +0100
@@ -0,0 +1,43 @@
+#!/bin/sh
+# compress synapse database room graphs
+# (cc) Peter 'grin' Gervai, 2020
+
+ARG="$1"
+
+source _config.sh
+
+set -x
+CMD="SELECT room_id, COUNT(*), type FROM state_groups_state GROUP BY 1,3 HAVING COUNT(*)>999999 ORDER BY 2 DESC;"
+
+BASE="/root/matrix-synapse/clean_auto"
+LOG="${BASE}/process.log"
+
+savelog -c 4 $LOG
+
+TMP=`mktemp /tmp/synapse_compress.XXXXXXXX`
+
+echo "==== `date +%F_%T` now." 						>> ${LOG}
+
+if [ "x$ARG" = "x" ]; then
+	echo "Collecting room/state groups data..."				| tee -a ${LOG}
+	if ! psql "${DB}" synapse -tAc "${CMD}" > $TMP; then
+		echo "Error getting room stats. Exit."
+		exit 1
+	fi
+else
+	echo "Processing already collected data ${ARG}."
+	rm "${TMP}"
+	TMP="$ARG"
+fi
+
+
+awk -F'|' '{print $1}' < $TMP | while read room; do
+	NOW=`date +%F_%T`
+	echo "Processing room ${room}... into c${NOW}_compress.sql" 	| tee -a ${LOG}
+	/usr/bin/time ../synapse-compress-state -o "c${NOW}_compress.sql" -p "${DB}" -t -r "${room}" 	| tee -a ${LOG}
+	echo "Actually compressing (c${NOW}_compress.sql)..."		| tee -a ${LOG}
+	/usr/bin/time psql "${DBRW}" synapse -f "c${NOW}_compress.sql" 	| tee -a ${LOG}
+done
+echo "We shall delete ${TMP} file."					| tee -a ${LOG}
+set +x
+	
\ No newline at end of file