update files

Signed-off-by: tqqq <dirtysalt1987@gmail.com>

Author: dirtysalt

be/src/connector/hive_connector.cpp

@@ -583,17 +583,25 @@ void HiveDataSource::_init_counter(RuntimeState* state) {
     _scanner_ctx.profile.rows_read_counter = ADD_COUNTER(_runtime_profile, "RowsRead", TUnit::UNIT);
     _scanner_ctx.profile.late_materialize_skip_rows_counter =
             ADD_COUNTER(_runtime_profile, "LateMaterializeSkipRows", TUnit::UNIT);
+    // Row count: rows filtered out before lazy columns were read.
     _scanner_ctx.profile.parquet_lazy_col_skip_rows_counter =
             ADD_COUNTER(_runtime_profile, "ParquetLazyColSkipRows", TUnit::UNIT);
+
+    // Event count: how many lazy slots were materialized on-demand during
+    // predicate evaluation via MissingColumnProvider.
     _scanner_ctx.profile.parquet_lazy_slot_triggered_counter =
             ADD_COUNTER(_runtime_profile, "ParquetLazySlotTriggered", TUnit::UNIT);
+
+    // Operation count: lazy column read_range() calls (includes both
+    // on-demand triggers and backfill reads).
     _scanner_ctx.profile.parquet_lazy_read_count_counter =
             ADD_COUNTER(_runtime_profile, "ParquetLazyReadCount", TUnit::UNIT);
+
+    // Time spent reading lazy columns (on-demand + backfill).
     _scanner_ctx.profile.parquet_lazy_read_timer = ADD_TIMER(_runtime_profile, "ParquetLazyReadTime");
-    _scanner_ctx.profile.parquet_lazy_materialization_enabled_counter =
-            ADD_COUNTER(_runtime_profile, "ParquetLazyMaterializationEnabled", TUnit::UNIT);
-    COUNTER_SET(_scanner_ctx.profile.parquet_lazy_materialization_enabled_counter,
-                static_cast<int64_t>(config::parquet_late_materialization_enable ? 1 : 0));
+
+    // Row group count: row groups where every classified-lazy column was
+    // triggered on-demand (suggests active/lazy classification misprediction).
     _scanner_ctx.profile.parquet_lazy_full_trigger_count_counter =
             ADD_COUNTER(_runtime_profile, "ParquetLazyFullTriggerCount", TUnit::UNIT);
     _scanner_ctx.profile.scan_ranges_counter = ADD_COUNTER(_runtime_profile, "ScanRanges", TUnit::UNIT);

be/src/exec/hdfs_scanner/hdfs_scanner.h

@@ -165,7 +165,6 @@ struct HdfsScannerProfile {
     RuntimeProfile::Counter* parquet_lazy_slot_triggered_counter = nullptr;
     RuntimeProfile::Counter* parquet_lazy_read_count_counter = nullptr;
     RuntimeProfile::Counter* parquet_lazy_read_timer = nullptr;
-    RuntimeProfile::Counter* parquet_lazy_materialization_enabled_counter = nullptr;
     RuntimeProfile::Counter* parquet_lazy_full_trigger_count_counter = nullptr;
     RuntimeProfile::Counter* scan_ranges_counter = nullptr;
     RuntimeProfile::Counter* scan_ranges_size = nullptr;

be/src/exec/hdfs_scanner/hdfs_scanner_parquet.cpp

@@ -268,8 +268,6 @@ Status HdfsParquetScanner::do_open(RuntimeState* runtime_state) {
 }
 
 Status HdfsParquetScanner::do_get_next(RuntimeState* runtime_state, ChunkPtr* chunk) {
-    // Multi-slot conjuncts are now evaluated inside GroupReader (step 2b)
-    // with lazy-materialization support, making a post-hoc pass unnecessary.
     return _reader->get_next(chunk);
 }