Merge pull request #28 from ClickHouse/fix-elastic

Elasticsearch: Fix attribute in result json

Author: rschu1ze

elasticsearch/results/m6i.8xlarge_bluesky_no_source_100m_best_compression.json

@@ -13,8 +13,8 @@
   "dataset_size_readable": "100m",
   "num_loaded_documents": 99999947,
   "data_compression": "zstd",
-  "data_size": 21268479403,
-  "data_size_readable": "19.8 GB",
+  "total_size": 21268479403,
+  "total_size_readable": "21.2 GB",
   "result": [
     [2.532,2.536,2.486],
     [23.194,22.932,23.188],