chore: add more traces

src/mito2/src/cache.rs

@@ -26,6 +26,7 @@ use std::mem;
 use std::sync::Arc;
 
 use bytes::Bytes;
+use common_telemetry::tracing;
 use datatypes::value::Value;
 use datatypes::vectors::VectorRef;
 use moka::notification::RemovalCause;
@@ -82,6 +83,7 @@ impl CacheManager {
 
     /// Gets cached [ParquetMetaData] from in-memory cache first.
     /// If not found, tries to get it from write cache and fill the in-memory cache.
+    #[tracing::instrument(level = tracing::Level::DEBUG, skip_all)]
     pub async fn get_parquet_meta_data(
         &self,
         region_id: RegionId,

src/mito2/src/cache/file_cache.rs

@@ -20,7 +20,7 @@ use std::time::{Duration, Instant};
 
 use bytes::Bytes;
 use common_base::readable_size::ReadableSize;
-use common_telemetry::{info, warn};
+use common_telemetry::{info, tracing, warn};
 use futures::{FutureExt, TryStreamExt};
 use moka::future::Cache;
 use moka::notification::RemovalCause;
@@ -241,6 +241,7 @@ impl FileCache {
 
     /// Get the parquet metadata in file cache.
     /// If the file is not in the cache or fail to load metadata, return None.
+    #[tracing::instrument(level = tracing::Level::DEBUG, skip_all)]
     pub(crate) async fn get_parquet_meta_data(&self, key: IndexKey) -> Option<ParquetMetaData> {
         // Check if file cache contains the key
         if let Some(index_value) = self.memory_index.get(&key).await {

src/mito2/src/read/scan_region.rs

@@ -948,6 +948,7 @@ struct FileRangeBuilder {
 impl FileRangeBuilder {
     /// Builds file ranges to read.
     /// Negative `row_group_index` indicates all row groups.
+    #[tracing::instrument(level = tracing::Level::DEBUG, skip_all)]
     fn build_ranges(&self, row_group_index: i64, ranges: &mut SmallVec<[FileRange; 2]>) {
         let Some(context) = self.context.clone() else {
             return;

src/mito2/src/sst/parquet/metadata.rs

@@ -12,6 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+use common_telemetry::tracing;
 use object_store::ObjectStore;
 use parquet::file::footer::{decode_footer, decode_metadata};
 use parquet::file::metadata::ParquetMetaData;
@@ -70,6 +71,7 @@ impl<'a> MetadataLoader<'a> {
     /// ```
     ///
     /// Refer to https://github.com/apache/arrow-rs/blob/093a10e46203be1a0e94ae117854701bf58d4c79/parquet/src/arrow/async_reader/metadata.rs#L55-L106
+    #[tracing::instrument(level = tracing::Level::DEBUG, skip_all)]
     pub async fn load(&self) -> Result<ParquetMetaData> {
         let object_store = &self.object_store;
         let path = self.file_path;

src/mito2/src/sst/parquet/reader.rs

@@ -302,6 +302,7 @@ impl ParquetReaderBuilder {
     }
 
     /// Reads parquet metadata of specific file.
+    #[tracing::instrument(level = tracing::Level::DEBUG, skip_all)]
     async fn read_parquet_metadata(
         &self,
         file_path: &str,