From 042f80dd2a442e7069a181da1f82fa62f0727dd3 Mon Sep 17 00:00:00 2001
From: Stefan Hardegger <dev@hardegger.io>
Date: Sun, 21 Sep 2025 17:38:57 +0200
Subject: [PATCH] another try

---
 docker-compose.yml    | 4 +++-
 opensearch.Dockerfile | 8 ++++++++
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/docker-compose.yml b/docker-compose.yml
index 6802587..eca725b 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -85,10 +85,12 @@ services:
       - node.name=opensearch-node
       - discovery.type=single-node
       - bootstrap.memory_lock=false
-      - "OPENSEARCH_JAVA_OPTS=-Xms256m -Xmx512m --add-opens=java.base/java.lang=ALL-UNNAMED"
+      - "OPENSEARCH_JAVA_OPTS=-Xms256m -Xmx512m --add-opens=java.base/java.lang=ALL-UNNAMED -XX:-UseLoopPredicate -Dlucene.useVectorAPI=false -XX:+UseG1GC -XX:G1HeapRegionSize=4m"
       - "DISABLE_INSTALL_DEMO_CONFIG=true"
       - "DISABLE_SECURITY_PLUGIN=true"
       - "DISABLE_PERFORMANCE_ANALYZER_AGENT_CLI=true"
+      - "ES_TMPDIR=/tmp"
+      - "_JAVA_OPTIONS=-Djdk.net.useExclusiveBind=false"
     deploy:
       resources:
         limits:
diff --git a/opensearch.Dockerfile b/opensearch.Dockerfile
index 1ad65f4..be58371 100644
--- a/opensearch.Dockerfile
+++ b/opensearch.Dockerfile
@@ -43,6 +43,7 @@ RUN mkdir -p /usr/share/opensearch/data && \
     echo "bootstrap.memory_lock: false" >> /usr/share/opensearch/config/opensearch.yml && \
     echo "network.host: 0.0.0.0" >> /usr/share/opensearch/config/opensearch.yml && \
     echo "logger.level: DEBUG" >> /usr/share/opensearch/config/opensearch.yml && \
+    echo "node.processors: 1" >> /usr/share/opensearch/config/opensearch.yml && \
     rm -rf /usr/share/opensearch/plugins/opensearch-performance-analyzer && \
     echo '#!/bin/bash' > /usr/share/opensearch/start-opensearch.sh && \
     echo 'echo "Starting OpenSearch with Java 21..."' >> /usr/share/opensearch/start-opensearch.sh && \
@@ -51,6 +52,13 @@ RUN mkdir -p /usr/share/opensearch/data && \
     echo 'echo "Memory info:"' >> /usr/share/opensearch/start-opensearch.sh && \
     echo 'free -h 2>/dev/null || echo "Memory info not available"' >> /usr/share/opensearch/start-opensearch.sh && \
     echo 'echo "Starting OpenSearch process..."' >> /usr/share/opensearch/start-opensearch.sh && \
+    echo 'echo "Architecture info:"' >> /usr/share/opensearch/start-opensearch.sh && \
+    echo 'uname -a' >> /usr/share/opensearch/start-opensearch.sh && \
+    echo 'echo "CPU info:"' >> /usr/share/opensearch/start-opensearch.sh && \
+    echo 'grep -E "^(processor|model name|flags)" /proc/cpuinfo | head -10 || echo "CPU info not available"' >> /usr/share/opensearch/start-opensearch.sh && \
+    echo 'echo "Setting JVM options for compatibility..."' >> /usr/share/opensearch/start-opensearch.sh && \
+    echo 'export OPENSEARCH_JAVA_OPTS="$OPENSEARCH_JAVA_OPTS -XX:+UnlockExperimentalVMOptions -XX:+UseContainerSupport -XX:MaxRAMPercentage=75.0 -Djava.awt.headless=true"' >> /usr/share/opensearch/start-opensearch.sh && \
+    echo 'echo "Starting with JVM options: $OPENSEARCH_JAVA_OPTS"' >> /usr/share/opensearch/start-opensearch.sh && \
     echo 'exec /usr/share/opensearch/bin/opensearch' >> /usr/share/opensearch/start-opensearch.sh && \
     chmod +x /usr/share/opensearch/start-opensearch.sh && \
     chown -R opensearch:opensearch /usr/share/opensearch