From 1354cdf8d61c738f22523f8470e835b07dbec2de Mon Sep 17 00:00:00 2001
From: Luke Childs <lukechilds123@gmail.com>
Date: Sun, 20 Dec 2020 14:20:08 +0700
Subject: [PATCH] Reduce dbcache post IBD (#345)

---
 docker-compose.yml | 4 +++-
 scripts/configure  | 8 +++++++-
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/docker-compose.yml b/docker-compose.yml
index 13befb0..b652374 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -155,12 +155,13 @@ services:
                         ipv4_address: $MIDDLEWARE_IP
         neutrino-switcher:
                 container_name: neutrino-switcher
-                image: getumbrel/neutrino-switcher:v1.0.3
+                image: getumbrel/neutrino-switcher:v1.1.1
                 logging: *default-logging
                 depends_on: [ bitcoin, lnd ]
                 restart: on-failure
                 volumes:
                     - ${PWD}/lnd:/lnd
+                    - ${PWD}/bitcoin:/bitcoin
                     - ${PWD}/statuses:/statuses
                     - /var/run/docker.sock:/var/run/docker.sock
                 environment:
@@ -168,6 +169,7 @@ services:
                     RPCUSER: $BITCOIN_RPC_USER
                     RPCPASS: $BITCOIN_RPC_PASS
                     LND_CONTAINER_NAME: lnd
+                    BITCOIN_CONTAINER_NAME: bitcoin
                     SLEEPTIME: 3600
                 networks:
                     default:
diff --git a/scripts/configure b/scripts/configure
index c8c72c7..9764e1d 100755
--- a/scripts/configure
+++ b/scripts/configure
@@ -258,7 +258,13 @@ echo
 
 echo "Setting dbcache size"
 echo
-DBCACHE_SIZE=$(awk '/MemTotal/{printf "%d\n", ($2/2^10 * 0.5) - 300}' /proc/meminfo)
+if [[ -f "${STATUS_DIR}/node-status-bitcoind-ready" ]]; then
+  # Limit dbcache to 200 after IBD
+  DBCACHE_SIZE="200"
+else
+  # Allocate (50% of RAM) - 300MB to dbcache for IDB
+  DBCACHE_SIZE=$(awk '/MemTotal/{printf "%d\n", ($2/2^10 * 0.5) - 300}' /proc/meminfo)
+fi
 sed -i -e "s/dbcache=<size>/dbcache=$DBCACHE_SIZE/g" "$BITCOIN_CONF_FILE"
 
 # TODO: Adjust prune size based on available disk space