improved facets info (#15936)

collectors/systemd-journal.plugin/systemd-journal.c

@@ -525,9 +525,29 @@ static void function_systemd_journal(const char *transaction, char *function, ch
 
     if(info) {
         facets_accepted_parameters_to_json_array(facets, wb, false);
-        buffer_json_member_add_array(wb, "sources");
-        buffer_json_add_array_item_string(wb, "default");
-        buffer_json_array_close(wb); // sources
+        buffer_json_member_add_array(wb, "required_params");
+        {
+            buffer_json_add_array_item_object(wb);
+            {
+                buffer_json_member_add_string(wb, "id", "source");
+                buffer_json_member_add_string(wb, "name", "source");
+                buffer_json_member_add_string(wb, "help", "Select the SystemD Journal source to query");
+                buffer_json_member_add_string(wb, "type", "select");
+                buffer_json_member_add_array(wb, "options");
+                {
+                    buffer_json_add_array_item_object(wb);
+                    {
+                        buffer_json_member_add_string(wb, "id", "default");
+                        buffer_json_member_add_string(wb, "name", "default");
+                    }
+                    buffer_json_object_close(wb); // options object
+                }
+                buffer_json_array_close(wb); // options array
+            }
+            buffer_json_object_close(wb); // required params object
+        }
+        buffer_json_array_close(wb); // required_params array
+
         buffer_json_member_add_uint64(wb, "status", HTTP_RESP_OK);
         buffer_json_member_add_string(wb, "type", "table");
         buffer_json_member_add_string(wb, "help", SYSTEMD_JOURNAL_FUNCTION_DESCRIPTION);

database/engine/cache.h

@@ -71,8 +71,8 @@ struct pgc_statistics {
 
     PGC_CACHE_LINE_PADDING(3);
 
-    size_t entries;                 // all the entries (includes clean, dirty, host)
-    size_t size;                    // all the entries (includes clean, dirty, host)
+    size_t entries;                 // all the entries (includes clean, dirty, hot)
+    size_t size;                    // all the entries (includes clean, dirty, hot)
 
     size_t evicting_entries;
     size_t evicting_size;