diff --git a/cameleer3-server-app/src/main/java/com/cameleer3/server/app/config/IngestionConfig.java b/cameleer3-server-app/src/main/java/com/cameleer3/server/app/config/IngestionConfig.java
index 340bcc94..762b0e39 100644
--- a/cameleer3-server-app/src/main/java/com/cameleer3/server/app/config/IngestionConfig.java
+++ b/cameleer3-server-app/src/main/java/com/cameleer3/server/app/config/IngestionConfig.java
@@ -12,7 +12,7 @@ import org.springframework.boot.context.properties.ConfigurationProperties;
 public class IngestionConfig {
 
     private int bufferCapacity = 50_000;
-    private int batchSize = 5_000;
+    private int batchSize = 500;
     private long flushIntervalMs = 1_000;
 
     public int getBufferCapacity() {
diff --git a/deploy/clickhouse.yaml b/deploy/clickhouse.yaml
index 4992f8ad..2e73c791 100644
--- a/deploy/clickhouse.yaml
+++ b/deploy/clickhouse.yaml
@@ -37,7 +37,7 @@ spec:
               memory: "512Mi"
               cpu: "200m"
             limits:
-              memory: "1Gi"
+              memory: "2Gi"
               cpu: "1000m"
   volumeClaimTemplates:
     - metadata: