[wip] performance comparison

docker/test/performance-comparison/Dockerfile

 # docker build -t yandex/clickhouse-performance-comparison .
 FROM ubuntu:18.04
 
+ENV LANG=C.UTF-8
 ENV TZ=Europe/Moscow
 RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone
 

docker/test/performance-comparison/report.py

@@ -77,7 +77,7 @@ def table_header(r):
 
 def tsv_rows(n):
     result = ''
-    with open(n) as fd:
+    with open(n, encoding='utf-8') as fd:
         for row in csv.reader(fd, delimiter="\t", quotechar='"'):
             result += table_row(row)
     return result