From 92be964b654ebce27a8edf2a3ae90d3a822c95d6 Mon Sep 17 00:00:00 2001
From: GeorgeC <gcolon021@gmail.com>
Date: Fri, 1 Nov 2024 17:12:33 -0400
Subject: [PATCH] Add MemoryCheck service for monitoring max heap memory

---
 Dockerfile                                        |  2 +-
 .../avillach/dictionary/memory/MemoryCheck.java   | 15 +++++++++++++++
 2 files changed, 16 insertions(+), 1 deletion(-)
 create mode 100644 src/main/java/edu/harvard/dbmi/avillach/dictionary/memory/MemoryCheck.java

diff --git a/Dockerfile b/Dockerfile
index 457f53e..d0dc7bb 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -26,4 +26,4 @@ ENV DATASOURCE_USERNAME=${DATASOURCE_USERNAME}
 ENV SPRING_PROFILE=${SPRING_PROFILE}
 
 # Default to no profile
-ENTRYPOINT java $DEBUG_VARS $PROXY_VARS -Xmx8192m -jar /dictionary.jar --spring.profiles.active=${SPRING_PROFILE:-}
\ No newline at end of file
+ENTRYPOINT java $DEBUG_VARS $PROXY_VARS -Xmx8192m ${JAVA_OPTS} -jar /dictionary.jar --spring.profiles.active=${SPRING_PROFILE:-}
\ No newline at end of file
diff --git a/src/main/java/edu/harvard/dbmi/avillach/dictionary/memory/MemoryCheck.java b/src/main/java/edu/harvard/dbmi/avillach/dictionary/memory/MemoryCheck.java
new file mode 100644
index 0000000..5af223b
--- /dev/null
+++ b/src/main/java/edu/harvard/dbmi/avillach/dictionary/memory/MemoryCheck.java
@@ -0,0 +1,15 @@
+package edu.harvard.dbmi.avillach.dictionary.memory;
+
+import jakarta.annotation.PostConstruct;
+import org.springframework.stereotype.Service;
+
+@Service
+public class MemoryCheck {
+
+    @PostConstruct
+    public void checkMemory() {
+        long maxMemory = Runtime.getRuntime().maxMemory() / (1024 * 1024);
+        System.out.println("Max Heap Memory (Xmx): " + maxMemory + " MB");
+    }
+
+}