Update app.py

app.py

@@ -114,32 +114,32 @@ if [ "$AVAILABLE_MEM" -lt 20 ]; then
     exit 1
 fi
 
-# Calculate heap size (20% of available, min 4MB, max 8MB)
-HEAP_SIZE=$((AVAILABLE_MEM * 20 / 100))
-if [ "$HEAP_SIZE" -lt 4 ]; then
-    HEAP_SIZE=4
-elif [ "$HEAP_SIZE" -gt 8 ]; then
+# Calculate heap size (15% of available, min 8MB, max 16MB)
+HEAP_SIZE=$((AVAILABLE_MEM * 15 / 100))
+if [ "$HEAP_SIZE" -lt 8 ]; then
     HEAP_SIZE=8
+elif [ "$HEAP_SIZE" -gt 16 ]; then
+    HEAP_SIZE=16
 fi
 
-# Calculate code cache (much smaller)
-CODE_CACHE_SIZE=$((HEAP_SIZE / 2))
-if [ "$CODE_CACHE_SIZE" -lt 2 ]; then
-    CODE_CACHE_SIZE=2
+# Calculate code cache (smaller)
+CODE_CACHE_SIZE=$((HEAP_SIZE / 4))
+if [ "$CODE_CACHE_SIZE" -lt 4 ]; then
+    CODE_CACHE_SIZE=4
 fi
 
 echo "Using ${HEAP_SIZE}MB heap, ${CODE_CACHE_SIZE}MB code cache (${AVAILABLE_MEM}MB available)" >&2
 
-# Execute Java with all memory limits
+# Execute Java with proper stack size and memory limits
 exec java \\
-    -Xms1m \\
+    -Xms2m \\
     -Xmx${HEAP_SIZE}m \\
     -XX:ReservedCodeCacheSize=${CODE_CACHE_SIZE}m \\
     -XX:InitialCodeCacheSize=1m \\
     -XX:+UseSerialGC \\
-    -XX:MaxMetaspaceSize=8m \\
-    -XX:CompressedClassSpaceSize=4m \\
-    -Xss128k \\
+    -XX:MaxMetaspaceSize=16m \\
+    -XX:CompressedClassSpaceSize=8m \\
+    -Xss256k \\
     -XX:-TieredCompilation \\
     -Djava.awt.headless=true \\
     "$@"
@@ -605,8 +605,9 @@ exec java \\
         # Try wrapper first, then fallback to minimal direct execution
         approaches = [
             ("wrapper", None),
-            ("minimal", ["-Xms1m", "-Xmx8m", "-Djava.awt.headless=true"]),
-            ("ultra_minimal", ["-Xms1m", "-Xmx4m", "-Djava.awt.headless=true"]),
+            ("minimal", ["-Xms2m", "-Xmx16m", "-Xss256k", "-Djava.awt.headless=true"]),
+            ("basic", ["-Xms2m", "-Xmx12m", "-Djava.awt.headless=true"]),
+            ("simple", ["-Xmx8m", "-Djava.awt.headless=true"]),
             ("no_limits", ["-Djava.awt.headless=true"])
         ]