diff --git a/bitcoin/bitcoin.conf b/bitcoin/bitcoin.conf
index 2f5ab03..5ccc2bf 100644
--- a/bitcoin/bitcoin.conf
+++ b/bitcoin/bitcoin.conf
@@ -14,7 +14,7 @@ rest=1
 blocksonly=1
 maxconnections=8
 dbcache=1000
-maxmempool=512
+maxmempool=300
 maxuploadtarget=5000
 
 # uncomment test if testnet=1 is activated
diff --git a/scripts/configure b/scripts/configure
index 57079a5..402d2f0 100755
--- a/scripts/configure
+++ b/scripts/configure
@@ -97,6 +97,10 @@ if [ -z $TESTNET ] && [ -z $REGTEST ]; then
     sed -i 's/RPCPORT/8332/g; ' docker-compose.yml
 fi
 
+echo "Setting dbcache size"
+DBCACHE_SIZE=$(awk '/MemTotal/{printf "%d\n", ($2/2^10 * 0.5) - 300}' /proc/meminfo)
+sed -i -e "s/dbcache=1000/dbcache=$DBCACHE_SIZE/g" bitcoin/bitcoin.conf
+
 echo "Pulling Docker images"
 docker-compose pull