TA的每日心情 | 开心 2021-12-13 21:45 |
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签到天数: 15 天 [LV.4]偶尔看看III
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1.redis版本
Redis server v=2.8.24
2.pom文件redis版本
- <dependency>
- <groupId>redis.clients</groupId>
- <artifactId>jedis</artifactId>
- <version>2.8.0</version>
- </dependency>
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3.scan搜索
- Jedis jedis=RedisUtils.getConn();
- ScanParams scanParams = new ScanParams();
- scanParams.match(“key*”);
- scanParams.count(100000);//每10万条查询
- Long startTime = System.currentTimeMillis();
- List<String> retList = new ArrayList<String>();
- final String scanRet = "0";
- do {
- ScanResult<String> ret = jedis.scan(scanRet, scanParams);
- scanRet = ret.getStringCursor();// 返回用于下次遍历的游标
- retList.addAll(ret.getResult());// 返回结果
- } while (!scanRet.equals("0"));
- System.out.println("retList size:"+retList.size());
- Long endTime = System.currentTimeMillis();
- System.out.println("using time is:" + (endTime - startTime)+"ms");
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我这局域网测试结果从700万数据搜索某个key耗时11秒 仅供参考
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