diff --git a/druid-spec.json b/druid-spec.json
index 1bd3740..60f3dc7 100644
--- a/druid-spec.json
+++ b/druid-spec.json
@@ -13,7 +13,8 @@
       "useEarliestOffset": true
     },
     "tuningConfig": {
-      "type": "kafka"
+      "type": "kafka",
+      "maxTotalRows": 250000
     },
     "dataSchema": {
       "dataSource": "main",
@@ -79,8 +80,8 @@
       "granularitySpec": {
         "queryGranularity": "none",
         "rollup": false,
-        "segmentGranularity": "week"
+        "segmentGranularity": "year"
       }
     }
   }
-}
+}
\ No newline at end of file