Java获取redis的日志信息及Redis日志命令窗查方式

一、Redis日志命令窗查方式

(1)、首先启动redis服务

（2）启动redis客户端并查看redis日志命令

查询所有命令：info all
查询指定命令：info + 查询内容（比如：info Server）

二、Java获取redis的日志信息

/*
*	具体实现类：RedisUtil.java
*/
@Component
public class RedisUtil {
	@Autowired
	//JedisPool jedisPool;
	 JedisPool jedisPool = new JedisPool();
	// 获取redis 服务器信息
	public String getRedisInfo() {
		Jedis jedis = null;
		try {
			jedis = jedisPool.getResource();
			Client client = jedis.getClient();
			client.info();
			String info = client.getBulkReply();
			return info;
		} finally {
			// 返还到连接池
			jedis.close();
		}
	}
	// 获取日志列表
	public List<Slowlog> getLogs(long entries) {
		Jedis jedis = null;
		try {
			jedis = jedisPool.getResource();
			List<Slowlog> logList = jedis.slowlogGet(entries);
			return logList;
		} finally {
			// 返还到连接池
			jedis.close();
		}
	}
	// 获取日志条数
	public Long getLogsLen() {
		Jedis jedis = null;
		try {
			jedis = jedisPool.getResource();
			long logLen = jedis.slowlogLen();
			return logLen;
		} finally {
			// 返还到连接池
			jedis.close();
		}
	}
	// 清空日志
	public String logEmpty() {
		Jedis jedis = null;
		try {
			jedis = jedisPool.getResource();
			return jedis.slowlogReset();
		} finally {
			// 返还到连接池
			jedis.close();
		}
	}
	// 获取占用内存大小
	public Long dbSize() {
		Jedis jedis = null;
		try {
			jedis = jedisPool.getResource();
			// TODO 配置redis服务信息
			Client client = jedis.getClient();
			client.dbSize();
			return client.getIntegerReply();
		} finally {
			// 返还到连接池
			jedis.close();
		}
	}
}

/*
*Service类：RedisService.java
*/
@Service
public class RedisService {
	RedisUtil redisUtil = new RedisUtil();
	public List<RedisInfoDetail> getRedisInfo() {
		//获取redis服务器信息
		String info = redisUtil.getRedisInfo();
		List<RedisInfoDetail> ridList = new ArrayList<RedisInfoDetail>();
		String[] strs = info.split("\n");
		RedisInfoDetail rif = null;
		if (strs != null && strs.length > 0) {
			for (int i = 0; i < strs.length; i++) {
				rif = new RedisInfoDetail();
				String s = strs[i];
				String[] str = s.split(":");
				if (str != null && str.length > 1) {
					String key = str[0];
					String value = str[1];
					rif.setKey(key);
					rif.setValue(value);
					ridList.add(rif);
				}
			}
		}
		return ridList;
	}
	
	//获取redis日志列表
	public List<Operate> getLogs(long entries) {
        List<Slowlog> list = redisUtil.getLogs(entries);
		List<Operate> opList = null;
		Operate op  = null;
		boolean flag = false;
		if (list != null && list.size() > 0) {
			opList = new LinkedList<Operate>();
			for (Slowlog sl : list) {
				String args = JSON.toJSONString(sl.getArgs());
				if (args.equals("[\"PING\"]") || args.equals("[\"SLOWLOG\",\"get\"]") || args.equals("[\"DBSIZE\"]") || args.equals("[\"INFO\"]")) {
					continue;
				}	
				op = new Operate();
				flag = true;
				op.setId(sl.getId());
				op.setExecuteTime(getDateStr(sl.getTimeStamp() * 1000));
				op.setUsedTime(sl.getExecutionTime()/1000.0 + "ms");
				op.setArgs(args);
				opList.add(op);
			}
		} 
		if (flag) 
			return opList;
		else 
			return null;
	}
	//获取日志总数
	public Long getLogLen() {
		return redisUtil.getLogsLen();
	}
	
	//清空日志
	public String logEmpty() {
		return redisUtil.logEmpty();
	}
	//获取当前数据库中key的数量
	public Map<String,Object> getKeysSize() {
		long dbSize = redisUtil.dbSize();
		Map<String,Object> map = new HashMap<String, Object>();
		map.put("create_time", new Date().getTime());
		map.put("dbSize", dbSize);
		return map;
	}
	
	//获取当前redis使用内存大小情况
	public Map<String,Object> getMemeryInfo() {
		String[] strs = redisUtil.getRedisInfo().split("\n");
		Map<String, Object> map = null;
		for (int i = 0; i < strs.length; i++) {
			String s = strs[i];
			String[] detail = s.split(":");
			if (detail[0].equals("used_memory")) {
				map = new HashMap<String, Object>();
				map.put("used_memory",detail[1].substring(0, detail[1].length() - 1));
				map.put("create_time", new Date().getTime());
				break;
			}
		}
		return map;
	}
	private String getDateStr(long timeStmp) {
		SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
		return dateFormat.format(new Date(timeStmp));
	}
}

返回值效果图（部分）：