[876] Reduce startup logs (#877)

* [876] Reduce startup logs

* [876] Update changelog

* [876] Unite comments

CHANGELOG.md

@@ -7,7 +7,7 @@ Bob versions changelog
 
 
 #### Changed
-
+- Reduce startup logs in normal flow (#876)
 
 #### Fixed
 

bob-backend/src/pearl/holder.rs

@@ -398,15 +398,13 @@ impl Holder {
                     builder.enable_aio(ioring)
                 }
                 Err(e) => {
-                    warn!("bob will start with standard sync fs io api");
-                    warn!("can't start with AIO, cause: {}", e);
+                    warn!("bob will start with standard sync fs io api, can't start with AIO, cause: {}", e);
                     self.config.set_aio(false);
                     builder
                 }
             }
         } else {
-            warn!("bob will start with standard sync fs io api");
-            warn!("cause: disabled in config");
+            trace!("bob will start with standard sync fs io api, cause: disabled in config");
             builder
         };
         builder