将一百万条数据插入并测试HyperLogLog的误差和内存占用情况

RealOhYeah · Apr 28, 2024 · d9b3cbe · d9b3cbe
1 parent 73f1ea4
commit d9b3cbe
Showing 1 changed file with 21 additions and 0 deletions.
diff --git a/dianping/src/test/java/com/hmdp/HmDianPingApplicationTests.java b/dianping/src/test/java/com/hmdp/HmDianPingApplicationTests.java
@@ -119,4 +119,25 @@ void loadShopData() {
     }
 
 
+    /**
+     * 将一百万条数据插入并测试HyperLogLog的误差和内存占用情况
+     */
+    @Test
+    void testHyperLogLog() {
+        String[] values = new String[1000];
+        int j = 0;
+        for (int i = 0; i < 1000000; i++) {
+            j = i % 1000;
+            values[j] = "user_" + i;
+            if(j == 999){
+                // 发送到Redis
+                stringRedisTemplate.opsForHyperLogLog().add("hl2", values);
+            }
+        }
+        // 统计数量
+        Long count = stringRedisTemplate.opsForHyperLogLog().size("hl2");
+        System.out.println("count = " + count);
+    }
+
+
 }