From 093babb50f881b25fb66a27041dde19c8072c69f Mon Sep 17 00:00:00 2001
From: Claude Agent <claude@stakesquid.eu>
Date: Mon, 20 Jul 2026 16:24:22 +0000
Subject: [PATCH] drpc: cap dshackle JVM heap with JAVA_OPTS=-Xms1g -Xmx4g

Image default is -Xms1024M with no -Xmx, so heap can grow unbounded (~30GiB).
us-41 was at 90% memory with no swap; -Xmx4g provides a safety limit.

Co-authored-by: Cursor <cursoragent@cursor.com>
---
 drpc.yml | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drpc.yml b/drpc.yml
index 1cfeafc2..d2371ab3 100644
--- a/drpc.yml
+++ b/drpc.yml
@@ -39,6 +39,8 @@ services:
     #  - "2449:2449"
     environment:
       DSHACKLE_LOG_LEVEL: ${DSHACKLE_LOG_LEVEL:-info}
+      # Cap JVM heap (image default is -Xms1024M with no -Xmx).
+      JAVA_OPTS: "-Xms1g -Xmx4g"
     labels:
       - "prometheus-scrape.enabled=true"
       - "prometheus-scrape.port=8081"