diff --git a/llm/config/config.yaml b/llm/config/config.yaml
index eb08d6a..2f08bad 100644
--- a/llm/config/config.yaml
+++ b/llm/config/config.yaml
@@ -3,5 +3,6 @@ llm.application: LLM_DC
 instances:
   - otel.backend.url: http://localhost:4317
     otel.service.name: DC1
+    otel.service.port: 8000
     price.prompt.tokens.per.kilo: 0.0
     price.complete.tokens.per.kilo: 0.0
diff --git a/llm/config/logging.properties b/llm/config/logging.properties
index 9dcf7bf..85a5aad 100644
--- a/llm/config/logging.properties
+++ b/llm/config/logging.properties
@@ -7,6 +7,6 @@ java.util.logging.ConsoleHandler.formatter = java.util.logging.SimpleFormatter
 # default file output is in user's home directory.
 java.util.logging.FileHandler.level=INFO
 java.util.logging.FileHandler.pattern = %h/llm-dc%u.log
-java.util.logging.FileHandler.limit = 500000
-java.util.logging.FileHandler.count = 10
+java.util.logging.FileHandler.limit = 5000000
+java.util.logging.FileHandler.count = 3
 java.util.logging.FileHandler.formatter = java.util.logging.XMLFormatter
\ No newline at end of file
diff --git a/llm/src/main/java/com/instana/dc/llm/LLMDcUtil.java b/llm/src/main/java/com/instana/dc/llm/LLMDcUtil.java
index 463db2b..19e538a 100644
--- a/llm/src/main/java/com/instana/dc/llm/LLMDcUtil.java
+++ b/llm/src/main/java/com/instana/dc/llm/LLMDcUtil.java
@@ -17,6 +17,7 @@ public class LLMDcUtil {
     public static final String SERVICE_INSTANCE_ID = "service.instance.id";
     public final static String PRICE_PROMPT_TOKES_PER_KILO = "price.prompt.tokens.per.kilo";
     public final static String PRICE_COMPLETE_TOKES_PER_KILO = "price.complete.tokens.per.kilo";
+    public final static String SERVICE_LISTEN_PORT = "otel.service.port";
 
     /* Configurations for Metrics:
      */
diff --git a/llm/src/main/java/com/instana/dc/llm/impl/llm/LLMDc.java b/llm/src/main/java/com/instana/dc/llm/impl/llm/LLMDc.java
index e0f4eab..381bafa 100644
--- a/llm/src/main/java/com/instana/dc/llm/impl/llm/LLMDc.java
+++ b/llm/src/main/java/com/instana/dc/llm/impl/llm/LLMDc.java
@@ -31,6 +31,7 @@ public class LLMDc extends AbstractLLMDc {
     private MetricsCollectorService metricsCollector = new MetricsCollectorService();
     private Double pricePromptTokens = 0.0;
     private Double priceCompleteTokens = 0.0;
+    private int listenPort = 0;
 
     /**
      * The poll rate in the configuration, in seconds. In other words, the number of
@@ -135,14 +136,15 @@ public void resetMetrics() {
 
     public LLMDc(Map<String, Object> properties, CustomDcConfig cdcConfig) throws Exception {
         super(properties, cdcConfig);
-        pricePromptTokens = (Double) properties.getOrDefault(PRICE_PROMPT_TOKES_PER_KILO, 0.03);
-        priceCompleteTokens = (Double) properties.getOrDefault(PRICE_COMPLETE_TOKES_PER_KILO, 0.03);
+        pricePromptTokens = (Double) properties.getOrDefault(PRICE_PROMPT_TOKES_PER_KILO, 0.0);
+        priceCompleteTokens = (Double) properties.getOrDefault(PRICE_COMPLETE_TOKES_PER_KILO, 0.0);
+        listenPort = (int) properties.getOrDefault(SERVICE_LISTEN_PORT, 8000);
     }
 
     @Override
     public void initOnce() throws ClassNotFoundException {
         var server = Server.builder()
-                .http(8000)
+                .http(listenPort)
                 .service(
                         GrpcService.builder()
                                 .addService(metricsCollector)