dataroaring commented on code in PR #13336:
URL: https://github.com/apache/doris/pull/13336#discussion_r994588717
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be/src/exec/json_scanner.h:
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@@ -178,7 +178,15 @@ class JsonReader {
std::vector<std::vector<JsonPath>> _parsed_jsonpaths;
std::vector<JsonPath> _parsed_json_root;
- rapidjson::Document _origin_json_doc; // origin json document object from
parsed json string
+ char _value_buffer[4 * 1024 * 1024];
+ char _parse_buffer[512 * 1024];
+
+ typedef rapidjson::GenericDocument<rapidjson::UTF8<>,
rapidjson::MemoryPoolAllocator<>,
+ rapidjson::MemoryPoolAllocator<>>
+ Document;
+ rapidjson::MemoryPoolAllocator<> _value_allocator;
+ rapidjson::MemoryPoolAllocator<> _parse_allocator;
Review Comment:
crlAllocator uses malloc and free，it is less efficient.
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