diff --git a/core/src/main/java/ru/kirillius/pf/sdn/core/Config.java b/core/src/main/java/ru/kirillius/pf/sdn/core/Config.java
index e475006..c4af32a 100644
--- a/core/src/main/java/ru/kirillius/pf/sdn/core/Config.java
+++ b/core/src/main/java/ru/kirillius/pf/sdn/core/Config.java
@@ -66,7 +66,7 @@ public class Config {
     @Setter
     @Getter
     @JSONProperty
-    private volatile File cacheDirectory = new File("./.cache");
+    private volatile File cacheDirectory = new File("/var/cache/pf-sdn");
 
     /**
      * List of subscription sources
@@ -74,7 +74,7 @@ public class Config {
     @Setter
     @Getter
     @JSONArrayProperty(type = RepositoryConfig.class)
-    private volatile List<RepositoryConfig> subscriptions = new  ArrayList<>();
+    private volatile List<RepositoryConfig> subscriptions = new ArrayList<>();
 
     /**
      * List of subscribed resources
@@ -189,7 +189,7 @@ public class Config {
         try (var fileInputStream = new FileOutputStream(file)) {
             try (var writer = new BufferedWriter(new OutputStreamWriter(fileInputStream))) {
                 var json = serialize(config);
-                writer.write(json.toString());
+                writer.write(json.toString(4));
                 writer.flush();
                 config.initialJSON = json;
             }
diff --git a/launcher.sh b/launcher.sh
index 4074cc5..dbb3e41 100644
--- a/launcher.sh
+++ b/launcher.sh
@@ -148,7 +148,7 @@ while true; do
 
   # Функция для запуска Java
   run_java() {
-      java -jar "$LIBRARY/$VER.pfapp" -c="$CFGPATH" -l="$LIBRARY" -r="$REPO_URL" &
+      java -Xmx256m -jar "$LIBRARY/$VER.pfapp" -c="$CFGPATH" -l="$LIBRARY" -r="$REPO_URL" &
       CPID=$!
       wait $CPID
   }
diff --git a/webui/src/pages/Logs.js b/webui/src/pages/Logs.js
index 026eae7..a6a706d 100644
--- a/webui/src/pages/Logs.js
+++ b/webui/src/pages/Logs.js
@@ -4,6 +4,7 @@ import { JSONRPC } from '@/json-rpc.js';
 const MAX_PREVIEW_LENGTH = "[06.10.2025 01:14:00][SEVERE] ShellExecutor> Failed to execute local shell command \"rc-service openvpn restart\"\r\nIOException:Cannot run program \"rc-service openvpn restart\": Exec failed, error: 2 (Нет такого файла или каталога) \nStack trace:\njava.base/".length;
 
 let logs = [];
+let hasRendered = false;
 let isLoading = false;
 let refreshIntervalId = null;
 
@@ -106,8 +107,45 @@ function createLogEntryHtml(entry, index) {
     `;
 }
 
+function serializeLogEntry(entry) {
+    if (Array.isArray(entry)) {
+        return `[${entry.map(serializeLogEntry).join(',')}]`;
+    }
+
+    if (entry && typeof entry === 'object') {
+        const keys = Object.keys(entry).sort();
+        const serialized = keys.map((key) => `${JSON.stringify(key)}:${serializeLogEntry(entry[key])}`);
+        return `{${serialized.join(',')}}`;
+    }
+
+    return JSON.stringify(entry);
+}
+
+function haveLogsChanged(previousLogs, nextLogs) {
+    if (previousLogs === nextLogs) {
+        return false;
+    }
+
+    if (!Array.isArray(previousLogs) || !Array.isArray(nextLogs)) {
+        return true;
+    }
+
+    if (previousLogs.length !== nextLogs.length) {
+        return true;
+    }
+
+    for (let index = 0; index < previousLogs.length; index += 1) {
+        if (serializeLogEntry(previousLogs[index]) !== serializeLogEntry(nextLogs[index])) {
+            return true;
+        }
+    }
+
+    return false;
+}
+
 function renderLogs() {
     const $list = $(`#${FIELD_IDS.list}`);
+    hasRendered = true;
     if (!logs.length) {
         $list.html('<p style="color: var(--color-text-secondary);">Записей в журнале нет.</p>');
         return;
@@ -128,7 +166,14 @@ async function loadLogs() {
 
     try {
         const entries = await JSONRPC.System.getLogs();
-        logs = Array.isArray(entries) ? entries : [];
+        const nextLogs = Array.isArray(entries) ? entries : [];
+        const shouldRender = !hasRendered || haveLogsChanged(logs, nextLogs);
+
+        if (!shouldRender) {
+            return;
+        }
+
+        logs = nextLogs.slice();
         renderLogs();
     } catch (error) {
         console.error('Ошибка загрузки логов:', error);
@@ -206,6 +251,7 @@ export const LogsPage = {
     unmount: () => {
         detachEventHandlers();
         logs = [];
+        hasRendered = false;
         isLoading = false;
         if (refreshIntervalId) {
             clearInterval(refreshIntervalId);