upd

Author: nickitat

clickhouse/queries-tuned.sql

@@ -2,7 +2,7 @@ SELECT COUNT(*) FROM hits;
 SELECT COUNT(*) FROM hits WHERE AdvEngineID <> 0;
 SELECT SUM(AdvEngineID), COUNT(*), AVG(ResolutionWidth) FROM hits;
 SELECT AVG(UserID) FROM hits;
-SELECT COUNT(DISTINCT UserID) FROM hits;
+SELECT count() FROM (SELECT UserID FROM hits GROUP BY UserID);
 SELECT count() FROM (SELECT SearchPhrase FROM hits GROUP BY SearchPhrase);
 SELECT MIN(EventDate), MAX(EventDate) FROM hits;
 SELECT AdvEngineID, COUNT(*) FROM hits WHERE AdvEngineID <> 0 GROUP BY AdvEngineID ORDER BY COUNT(*) DESC;

clickhouse/results/c6a.metal.tuned.json

@@ -1,58 +1,58 @@
 {
     "system": "ClickHouse (tuned)",
-    "date": "2022-07-01",
+    "date": "2024-02-07",
     "machine": "c6a.metal, 500gb gp2",
     "cluster_size": 1,
     "comment": "",
 
     "tags": ["C++", "column-oriented", "ClickHouse derivative"],
 
-    "load_time": 136.869,
-    "data_size": 14571706777,
+    "load_time": 165.938,
+    "data_size": 14807919160,
 
     "result": [
-[0.003, 0.001, 0.001],
-[0.046, 0.051, 0.035],
-[0.044, 0.039, 0.040],
-[0.074, 0.025, 0.036],
-[0.231, 0.097, 0.089],
-[0.970, 0.123, 0.120],
-[0.017, 0.018, 0.019],
-[0.030, 0.029, 0.023],
-[0.180, 0.153, 0.137],
-[0.946, 0.269, 0.283],
-[0.116, 0.062, 0.060],
-[0.195, 0.056, 0.059],
-[1.026, 0.158, 0.137],
-[1.575, 0.188, 0.176],
-[0.837, 0.153, 0.161],
-[0.192, 0.122, 0.123],
-[1.767, 0.340, 0.324],
-[1.088, 0.098, 0.098],
-[3.413, 0.891, 0.787],
-[0.039, 0.021, 0.012],
-[9.017, 0.292, 0.258],
-[10.048, 0.286, 0.251],
-[20.084, 0.454, 0.445],
-[39.564, 0.718, 0.741],
-[1.762, 0.056, 0.046],
-[0.894, 0.035, 0.043],
-[2.421, 0.061, 0.047],
-[10.479, 0.447, 0.439],
-[7.089, 0.282, 0.270],
-[0.429, 0.384, 0.395],
-[1.284, 0.093, 0.091],
-[4.753, 0.183, 0.159],
-[3.618, 1.030, 0.714],
-[8.792, 0.636, 0.623],
-[8.765, 0.626, 0.603],
-[0.213, 0.195, 0.206],
-[0.103, 0.074, 0.067],
-[0.047, 0.035, 0.034],
-[0.053, 0.035, 0.033],
-[0.198, 0.166, 0.142],
-[0.035, 0.026, 0.019],
-[0.027, 0.019, 0.027],
-[0.027, 0.014, 0.016]
+	    [0.007, 0.010, 0.006],
+	    [0.027, 0.027, 0.023],
+	    [0.048, 0.025, 0.024],
+	    [0.170, 0.024, 0.021],
+	    [0.223, 0.122, 0.110],
+	    [0.910, 0.139, 0.131],
+	    [0.056, 0.019, 0.020],
+	    [0.032, 0.034, 0.030],
+	    [0.337, 0.184, 0.171],
+	    [0.773, 0.299, 0.305],
+	    [0.163, 0.049, 0.056],
+	    [0.171, 0.063, 0.061],
+	    [1.079, 0.171, 0.145],
+	    [1.578, 0.216, 0.180],
+	    [0.828, 0.158, 0.152],
+	    [0.230, 0.130, 0.131],
+	    [1.780, 0.376, 0.343],
+	    [1.142, 0.115, 0.106],
+	    [3.364, 0.678, 0.607],
+	    [0.083, 0.028, 0.026],
+	    [8.824, 0.149, 0.122],
+	    [10.257, 0.176, 0.151],
+	    [13.896, 0.160, 0.139],
+	    [10.755, 0.558, 0.526],
+	    [1.786, 0.053, 0.047],
+	    [0.929, 0.040, 0.035],
+	    [2.452, 0.051, 0.047],
+	    [9.375, 0.164, 0.147],
+	    [7.434, 0.195, 0.176],
+	    [0.085, 0.037, 0.037],
+	    [1.281, 0.121, 0.110],
+	    [4.700, 0.174, 0.153],
+	    [3.749, 0.959, 0.731],
+	    [9.136, 0.684, 0.584],
+	    [9.126, 0.683, 0.625],
+	    [0.213, 0.193, 0.176],
+	    [0.075, 0.054, 0.051],
+	    [0.045, 0.032, 0.037],
+	    [0.059, 0.037, 0.042],
+	    [0.092, 0.052, 0.046],
+	    [0.033, 0.033, 0.029],
+	    [0.029, 0.030, 0.039],
+	    [0.047, 0.047, 0.043]
 ]
 }