update benchmark doc

apache · Feb 20, 2024 · 4ea82a9 · 4ea82a9
1 parent 688fde2
commit 4ea82a9
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/core/benches/ops/README.md b/core/benches/ops/README.md
@@ -32,8 +32,9 @@ Test all available backend.
 cargo bench
 ```
 
-Test specific backend.
+Test specific backend, take s3 for example, first set the corresponding environment variables of s3, then:
 
 ```shell
-cargo bench fs
+OPENDAL_TEST=s3
+cargo bench
 ```