[Enhancement]The page cache can be parameterized by the session variable of fe. (#23981)

be/src/runtime/runtime_state.h

@@ -352,6 +352,11 @@ public:
         return _query_options.__isset.skip_delete_bitmap && _query_options.skip_delete_bitmap;
     }
 
+    bool enable_page_cache() const {
+        return !config::disable_storage_page_cache &&
+               (_query_options.__isset.enable_page_cache && _query_options.enable_page_cache);
+    }
+
     int partitioned_hash_join_rows_threshold() const {
         if (!_query_options.__isset.partitioned_hash_join_rows_threshold) {
             return 0;

be/src/vec/exec/scan/new_olap_scanner.cpp

@@ -412,9 +412,7 @@ Status NewOlapScanner::_init_tablet_reader_params(
         }
     }
 
-    if (!config::disable_storage_page_cache) {
-        _tablet_reader_params.use_page_cache = true;
-    }
+    _tablet_reader_params.use_page_cache = _state->enable_page_cache();
 
     if (_tablet->enable_unique_key_merge_on_write() && !_state->skip_delete_bitmap()) {
         _tablet_reader_params.delete_bitmap = &_tablet->tablet_meta()->delete_bitmap();

fe/fe-core/src/main/java/org/apache/doris/qe/SessionVariable.java

@@ -340,6 +340,8 @@ public class SessionVariable implements Serializable, Writable {
 
     public static final String ENABLE_MINIDUMP = "enable_minidump";
 
+    public static final String ENABLE_PAGE_CACHE = "enable_page_cache";
+
     public static final String MINIDUMP_PATH = "minidump_path";
 
     public static final String TRACE_NEREIDS = "trace_nereids";
@@ -1065,6 +1067,15 @@ public class SessionVariable implements Serializable, Writable {
     @VariableMgr.VarAttr(name = ENABLE_MINIDUMP)
     public boolean enableMinidump = false;
 
+
+    @VariableMgr.VarAttr(
+            name = ENABLE_PAGE_CACHE,
+            description = {"控制是否启用page cache。默认为 true。",
+                "Controls whether to use page cache. "
+                    + "The default value is true."},
+            needForward = true)
+    public boolean enablePageCache = true;
+
     @VariableMgr.VarAttr(name = ENABLE_FOLD_NONDETERMINISTIC_FN)
     public boolean enableFoldNondeterministicFn = false;
 
@@ -2263,6 +2274,8 @@ public class SessionVariable implements Serializable, Writable {
 
         tResult.setEnableFileCache(enableFileCache);
 
+        tResult.setEnablePageCache(enablePageCache);
+
         tResult.setFileCacheBasePath(fileCacheBasePath);
 
         tResult.setEnableInvertedIndexQuery(enableInvertedIndexQuery);

gensrc/thrift/PaloInternalService.thrift

@@ -245,6 +245,7 @@ struct TQueryOptions {
   // A seperate flag to indicate whether to enable profile, not
   // use is_report_success any more
   84: optional bool enable_profile = false;
+  85: optional bool enable_page_cache = false;
 }