add memory logs

apps/mini-runtime/src/main/java/com/akto/hybrid_runtime/Main.java

@@ -17,6 +17,7 @@
 import com.akto.log.LoggerMaker;
 import com.akto.log.LoggerMaker.LogDb;
 import com.akto.metrics.AllMetrics;
+import com.akto.monitor.MemoryMonitor;
 import com.akto.sql.SampleDataAltDb;
 import com.akto.hybrid_parsers.HttpCallParser;
 import com.akto.data_actor.DataActor;
@@ -150,6 +151,9 @@ public static String getTopicName(){
         return topicName;
     }
 
+    private static final ScheduledExecutorService executorService = Executors.newSingleThreadScheduledExecutor();
+
+
     // REFERENCE: https://www.oreilly.com/library/view/kafka-the-definitive/9781491936153/ch04.html (But how do we Exit?)
     public static void main(String[] args) {
         //String mongoURI = System.getenv("AKTO_MONGO_CONN");;
@@ -303,7 +307,7 @@ public void run() {
 
         long lastSyncOffset = 0;
 
-        Map<Integer, Integer> logSentMap = new HashMap<>();
+        executorService.scheduleAtFixedRate(new MemoryMonitor.MemoryMonitorTask(), 0, 10, TimeUnit.SECONDS);
 
         try {
             main.consumer.subscribe(Arrays.asList(topicName, "har_"+topicName));

libs/utils/src/main/java/com/akto/monitor/MemoryMonitor.java

@@ -0,0 +1,36 @@
+package com.akto.monitor;
+
+public class MemoryMonitor {
+
+    // Runnable task for monitoring memory
+    public static class MemoryMonitorTask implements Runnable {
+        @Override
+        public void run() {
+            Runtime runtime = Runtime.getRuntime();
+
+            // Loop to print memory usage every 1 second
+            while (true) {
+                // Calculate memory statistics
+                long totalMemory = runtime.totalMemory();
+                long freeMemory = runtime.freeMemory();
+                long usedMemory = totalMemory - freeMemory;
+
+                // Print memory statistics
+                System.out.print("Used Memory: " + (usedMemory / 1024 / 1024) + " MB ");
+                System.out.print("Free Memory: " + (freeMemory / 1024 / 1024) + " MB ");
+                System.out.print("Total Memory: " + (totalMemory / 1024 / 1024) + " MB ");
+                System.out.print("Available Memory: " + ((runtime.maxMemory() - usedMemory) / 1024 / 1024) + " MB ");
+                System.out.println("-------------------------");
+
+                // Pause for 1 second
+                try {
+                    Thread.sleep(1000);
+                } catch (InterruptedException e) {
+                    System.err.println("Memory monitor thread interrupted: " + e.getMessage());
+                    break; // Exit the loop if thread is interrupted
+                }
+            }
+        }
+    }
+
+}