modify logger level from info to error (#744)

* modify logger level from `info` to `error`

* fix test

* improve tokio runtime config

* add rustfs helm chart files (#747)

* add rustfs helm chart files

* update readme file with helm chart

* delete helm chart license file

* fix typo in readme file

* fix: restore localized samples in tests (#749)

* fix: restore required localized examples

* style: fix formatting issues

* improve code for Observability

* upgrade crates version

* fix

* up

* fix

---------

Co-authored-by: majinghe <42570491+majinghe@users.noreply.github.com>
Co-authored-by: 安正超 <anzhengchao@gmail.com>

crates/obs/src/system/mod.rs

@@ -12,12 +12,14 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-use crate::GlobalError;
+use crate::{GlobalError, is_observability_enabled};
+use opentelemetry::global::meter;
 
-pub(crate) mod attributes;
+mod attributes;
 mod collector;
-pub(crate) mod gpu;
-pub(crate) mod metrics;
+#[cfg(feature = "gpu")]
+mod gpu;
+mod metrics;
 
 pub struct SystemObserver {}
 
@@ -25,10 +27,12 @@ impl SystemObserver {
     /// Initialize the indicator collector for the current process
     /// This function will create a new `Collector` instance and start collecting metrics.
     /// It will run indefinitely until the process is terminated.
-    pub async fn init_process_observer(meter: opentelemetry::metrics::Meter) -> Result<(), GlobalError> {
-        let pid = sysinfo::get_current_pid().map_err(|e| GlobalError::PidError(e.to_string()))?;
-        let mut collector = collector::Collector::new(pid, meter, 30000)?;
-        collector.run().await
+    pub async fn init_process_observer() -> Result<(), GlobalError> {
+        if is_observability_enabled() {
+            let meter = meter("system");
+            return SystemObserver::init_process_observer_for_pid(meter, 30000).await;
+        }
+        Ok(())
     }
 
     /// Initialize the metric collector for the specified PID process