From 2d3ae6ae6eac9c7b6e1c13a3c98f3e1dd9429e38 Mon Sep 17 00:00:00 2001
From: JohT <7671054+JohT@users.noreply.github.com>
Date: Fri, 20 Dec 2024 14:02:59 +0100
Subject: [PATCH 1/2] Minimize Neo4j transaction log disk space utilization

---
 scripts/configuration/template-neo4j-v4.conf | 5 ++++-
 scripts/configuration/template-neo4j.conf    | 5 ++++-
 scripts/setupNeo4j.sh                        | 4 +++-
 3 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/scripts/configuration/template-neo4j-v4.conf b/scripts/configuration/template-neo4j-v4.conf
index ef3ea6696..8a1200af5 100644
--- a/scripts/configuration/template-neo4j-v4.conf
+++ b/scripts/configuration/template-neo4j-v4.conf
@@ -19,4 +19,7 @@ dbms.jvm.additional=-XX:+ExitOnOutOfMemoryError
 dbms.memory.transaction.global_max_size=6g
 
 # Memory: Limit the amount of memory that a single transaction can consume.
-dbms.memory.transaction.max_size=6g
\ No newline at end of file
+dbms.memory.transaction.max_size=6g
+
+# Transaction: Retention policy for transaction logs needed to perform recovery and backups.
+dbms.tx_log.rotation.retention_policy=keep_none
\ No newline at end of file
diff --git a/scripts/configuration/template-neo4j.conf b/scripts/configuration/template-neo4j.conf
index 0427ec16a..ef08724b2 100644
--- a/scripts/configuration/template-neo4j.conf
+++ b/scripts/configuration/template-neo4j.conf
@@ -19,4 +19,7 @@ server.jvm.additional=-XX:+ExitOnOutOfMemoryError
 db.memory.transaction.total.max=6g
 
 # Memory: Limit the amount of memory that a single transaction can consume.
-db.memory.transaction.max=6g
\ No newline at end of file
+db.memory.transaction.max=6g
+
+# Transaction: Retention policy for transaction logs needed to perform recovery and backups.
+db.tx_log.rotation.retention_policy=keep_none
\ No newline at end of file
diff --git a/scripts/setupNeo4j.sh b/scripts/setupNeo4j.sh
index 35b147d7d..9b0d2afd7 100755
--- a/scripts/setupNeo4j.sh
+++ b/scripts/setupNeo4j.sh
@@ -98,8 +98,10 @@ if [ ! -d "${NEO4J_INSTALLATION_DIRECTORY}" ] ; then
     echo "setupNeo4j: Commenting out configuration properties that will later be replaced or are not needed"
     if [[ "$NEO4J_MAJOR_VERSION_NUMBER" -ge 5 ]]; then
         sed -i.backup '/^server\.directories\.import=/ s/^/# defined in the directory section further below #/' "${NEO4J_CONFIG}"
+        sed -i.backup '/^db\.tx_log\.rotation\.retention_policy=/ s/^/# defined in the transaction section further below #/' "${NEO4J_CONFIG}"
     else
         sed -i.backup '/^dbms\.directories\.import=/ s/^/# defined in the directory section further below #/' "${NEO4J_CONFIG}"
+        sed -i.backup '/^dbms\.tx_log\.rotation\.retention_policy=/ s/^/# defined in the transaction section further below #/' "${NEO4J_CONFIG}"
     fi
     # Remove the backup file
     rm -f "${NEO4J_CONFIG}.backup"
@@ -161,7 +163,7 @@ if [ ! -d "${NEO4J_INSTALLATION_DIRECTORY}" ] ; then
         } >> "${NEO4J_CONFIG}"
     fi
 
-    echo "setupNeo4j: Configuring static settings (memory, procedure permittions, ...)"
+    echo "setupNeo4j: Configuring static settings (memory, procedure permissions, ...)"
     if [[ "$NEO4J_MAJOR_VERSION_NUMBER" -ge 5 ]]; then
         cat "${SCRIPTS_DIR}/configuration/template-neo4j.conf" >> "${NEO4J_CONFIG}"
     else

From 8b34b4d114399b267e40cadffd24cf9fed5c47e2 Mon Sep 17 00:00:00 2001
From: JohT <7671054+JohT@users.noreply.github.com>
Date: Sun, 22 Dec 2024 09:19:59 +0100
Subject: [PATCH 2/2] Fix "No useable sandbox" by --no-sandbox workaround.

Details see https://pptr.dev/troubleshooting#issues-with-apparmor-on-ubuntu
---
 graph-visualization/renderVisualizations.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/graph-visualization/renderVisualizations.js b/graph-visualization/renderVisualizations.js
index 0211d6d84..e8e13956e 100644
--- a/graph-visualization/renderVisualizations.js
+++ b/graph-visualization/renderVisualizations.js
@@ -136,7 +136,8 @@ let browser;
       "--disable-component-extensions-with-background-pages",
       "--disable-client-side-phishing-detection",
       "--use-gl=disabled",
-      "--disable-features=Vulkan", 
+      "--disable-features=Vulkan",
+      "--no-sandbox" // See https://pptr.dev/troubleshooting#issues-with-apparmor-on-ubuntu
     ],
   }); // { headless: false } for testing