[kafka] increase kafka memory limits (#1592)

* increase kafka memory limits

* increase kafka memory limits

Author: puckpuck

CHANGELOG.md

@@ -43,6 +43,8 @@ the release.
   ([#1574](https://github.com/open-telemetry/opentelemetry-demo/pull/1574))
 * [flagd] Add flagd service to minimal docker compose deployment
   ([#1585](https://github.com/open-telemetry/opentelemetry-demo/pull/1585))
+* [kafka] Increase memory and Java heap limits
+  ([#1592](https://github.com/open-telemetry/opentelemetry-demo/pull/1592))
 
 ## 1.9.0
 

docker-compose.yml

@@ -607,15 +607,15 @@ services:
     deploy:
       resources:
         limits:
-          memory: 500M
+          memory: 600M
     restart: unless-stopped
     environment:
       - KAFKA_ADVERTISED_LISTENERS=PLAINTEXT://kafka:9092
       - OTEL_EXPORTER_OTLP_ENDPOINT=http://${OTEL_COLLECTOR_HOST}:${OTEL_COLLECTOR_PORT_HTTP}
       - OTEL_EXPORTER_OTLP_METRICS_TEMPORALITY_PREFERENCE
       - OTEL_RESOURCE_ATTRIBUTES
       - OTEL_SERVICE_NAME=kafka
-      - KAFKA_HEAP_OPTS=-Xmx250m -Xms250m
+      - KAFKA_HEAP_OPTS=-Xmx400m -Xms400m
     healthcheck:
       test: nc -z kafka 9092
       start_period: 10s