Size op Native GDBM NDBM ODBM SDBM DB_File CDB_File Berkeley Redis Redis2 SQLite Pg mysql CSV Oracle ------ -- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- 20 rd 1538461.5 198019.8 69204.2 120481.9 118343.2 112359.6 5870.3 33670.0 2681.0 8445.9 24301.3 5299.4 1962.1 922.3 13.5 20 wr 1428571.4 10000.0 4977.6 7132.7 8009.6 13271.4 5762.0 5748.8 1578.5 5055.6 7336.8 2050.2 330.7 923.0 10.1 200 rd 2702702.7 107874.9 83612.0 134952.8 126984.1 81699.3 62208.4 39714.1 4399.0 8974.2 39254.2 6762.9 1133.2 173.6 - 200 wr 2352941.2 40966.8 32883.9 45808.5 39416.6 50037.5 42973.8 28739.8 4709.0 10041.7 23253.1 3220.6 827.4 310.9 - 600 rd 2564102.6 128369.7 97783.6 146163.2 140449.4 85239.4 158061.1 47487.1 8628.4 8731.1 42206.0 9700.9 778.4 - - 600 wr 2362204.7 83079.5 57055.9 90252.7 60416.9 72930.6 136955.0 43387.1 8272.4 10566.7 27189.9 4749.3 705.0 - - 2000 rd 2684563.8 152741.7 107020.5 130140.6 126334.4 86258.9 300887.6 57529.1 8747.6 8518.9 44319.4 11954.1 252.5 - - 2000 wr 2478314.7 111476.5 82929.1 113205.4 72605.8 92481.3 297353.6 58036.6 10676.7 9254.8 32776.1 6942.5 377.4 - - 20000 rd 1044495.5 216129.8 144686.4 141118.4 139843.5 94996.1 589396.8 73721.3 7906.3 7701.9 42048.0 10357.6 - - - 20000 wr 849978.8 141592.9 117982.3 116057.8 100241.1 81400.4 557258.3 68183.5 10320.7 9551.0 34828.3 6060.0 - - - 200000 rd 783195.8 194928.0 165518.0 151744.7 141365.1 94102.3 632621.1 77415.2 8474.9 7581.6 37026.0 10458.3 - - - 200000 wr 634952.9 81291.7 76701.4 76440.5 100155.6 56343.1 618880.8 50298.0 10557.4 9090.7 29200.8 6197.1 - - -