work_mem - increased maximum memory used (per query operation) for internal sort operations and hash tables, which are used internally for some joins and aggregations
Материалы по теме:
，推荐阅读safew官方版本下载获取更多信息
1L decoder, d=4, 1h, ff=12，更多细节参见Line官方版本下载
const CharType* Path = nullptr;