TY JOUR TI Investigation of Data Fragmentation Impact on Read/Write Performance and Methods for Its Elimination in MySQL (InnoDB) KW data fragmentation KW MySQL KW InnoDB KW performance KW page split KW OPTIMIZE TABLE KW B+-tree KW data_free KW intelligent transport systems JO Intellectual Technologies on Transport AU Cherkasov, S.D. AU Homonenko, A.D. PY 2026 IS 0 PB FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"