利用ReatTemplate及方法获取Redis服务相关信息
@RestController
public class RedisCacheController {
@Autowired
private RedisTemplate<String, String> redisTemplate;
@GetMapping("/monitor/cache")
public Ret getInfo() throws Exception {
Properties info = (Properties) redisTemplate.execute((RedisCallback<Object>) connection -> connection.info());
Properties commandStats = (Properties) redisTemplate.execute((RedisCallback<Object>) connection -> connection.info("commandstats"));
Object dbSize = redisTemplate.execute((RedisCallback<Object>) connection -> connection.dbSize());
Map<String, Object> result = new HashMap<>(3);
result.put("info", info);
result.put("dbSize", dbSize);
List<Map<String, String>> pieList = new ArrayList<>();
commandStats.stringPropertyNames().forEach(key -> {
Map<String, String> data = new HashMap<>(2);
String property = commandStats.getProperty(key);
data.put("name", StringUtils.removeStart(key, "cmdstat_"));
data.put("value", StringUtils.substringBetween(property, "calls=", ",usec"));
pieList.add(data);
});
result.put("commandStats", pieList);
return Ret.success(result);
}
}{
"msg": "操作成功",
"code": 200,
"data": {
"commandStats": [
{
"name": "scan",
"value": "23"
},
{
"name": "set",
"value": "9051"
},
{
"name": "del",
"value": "7796"
},
{
"name": "select",
"value": "284"
},
{
"name": "info",
"value": "1855"
},
{
"name": "auth",
"value": "22020"
},
{
"name": "exec",
"value": "3"
},
{
"name": "ttl",
"value": "40"
},
{
"name": "get",
"value": "751353"
},
{
"name": "unlink",
"value": "150"
},
{
"name": "dbsize",
"value": "916"
},
{
"name": "type",
"value": "40"
},
{
"name": "setex",
"value": "18895"
},
{
"name": "multi",
"value": "3"
},
{
"name": "ping",
"value": "84"
},
{
"name": "keys",
"value": "2170"
}
],
"info": {
"aof_rewrite_scheduled": "0",
"number_of_cached_scripts": "0",
"mem_clients_slaves": "0",
"keyspace_misses": "4501",
"mem_allocator": "jemalloc-5.1.0",
"multiplexing_api": "epoll",
"aof_last_write_status": "ok",
"used_memory_peak_perc": "62.82%",
"run_id": "48e1f18af1cdd4bac634f4c046b220a33b2668d9",
"uptime_in_seconds": "6982491",
"maxmemory": "0",
"active_defrag_hits": "0",
"atomicvar_api": "atomic-builtin",
"total_system_memory_human": "3.48G",
"gcc_version": "4.8.5",
"second_repl_offset": "-1",
"arch_bits": "64",
"master_repl_offset": "0",
"instantaneous_output_kbps": "0.00",
"total_commands_processed": "814682",
"repl_backlog_size": "1048576",
"sync_full": "0",
"sync_partial_err": "0",
"aof_last_cow_size": "0",
"configured_hz": "10",
"used_memory_startup": "791440",
"mem_clients_normal": "49694",
"used_cpu_user": "4095.380630",
"aof_enabled": "0",
"redis_mode": "standalone",
"rdb_changes_since_last_save": "1",
"used_memory_lua": "37888",
"redis_build_id": "eac856754d7fb32",
"connected_slaves": "0",
"expired_keys": "11564",
"used_memory": "1217696",
"active_defrag_misses": "0",
"active_defrag_key_misses": "0",
"used_memory_rss": "8663040",
"rdb_last_bgsave_status": "ok",
"process_id": "1591",
"rejected_connections": "0",
"master_replid": "b08f981e483ff1503d0046e042545ba8f1203b12",
"used_memory_rss_human": "8.26M",
"used_memory_scripts": "0",
"rdb_bgsave_in_progress": "0",
"rdb_last_cow_size": "532480",
"cluster_enabled": "0",
"tcp_port": "6379",
"os": "Linux 4.19.91-25.al7.x86_64 x86_64",
"mem_replication_backlog": "0",
"aof_current_rewrite_time_sec": "-1",
"allocator_rss_ratio": "2.41",
"used_memory_overhead": "862086",
"repl_backlog_histlen": "0",
"slave_expires_tracked_keys": "0",
"used_cpu_sys": "2461.753645",
"role": "master",
"used_memory_dataset_perc": "83.43%",
"expired_stale_perc": "0.00",
"allocator_frag_ratio": "1.39",
"client_recent_max_input_buffer": "2",
"aof_last_bgrewrite_status": "ok",
"used_memory_peak_human": "1.85M",
"hz": "10",
"used_memory_human": "1.16M",
"maxmemory_policy": "noeviction",
"rss_overhead_ratio": "2.09",
"mem_fragmentation_ratio": "7.37",
"rdb_last_bgsave_time_sec": "0",
"allocator_allocated": "1234544",
"used_memory_dataset": "355610",
"blocked_clients": "0",
"used_cpu_sys_children": "6.147227",
"repl_backlog_active": "0",
"used_cpu_user_children": "10.364512",
"sync_partial_ok": "0",
"aof_rewrite_in_progress": "0",
"redis_git_sha1": "00000000",
"rdb_current_bgsave_time_sec": "-1",
"active_defrag_running": "0",
"aof_last_rewrite_time_sec": "-1",
"master_replid2": "0000000000000000000000000000000000000000",
"config_file": "/www/server/redis/redis.conf",
"lazyfree_pending_objects": "0",
"used_memory_scripts_human": "0B",
"loading": "0",
"allocator_rss_bytes": "2420736",
"pubsub_channels": "0",
"db1": "keys=90,expires=0,avg_ttl=0",
"used_memory_lua_human": "37.00K",
"db0": "keys=204,expires=83,avg_ttl=38845722",
"active_defrag_key_hits": "0",
"allocator_frag_bytes": "481680",
"migrate_cached_sockets": "0",
"redis_git_dirty": "0",
"total_system_memory": "3738521600",
"mem_aof_buffer": "0",
"rss_overhead_bytes": "4526080",
"client_recent_max_output_buffer": "0",
"connected_clients": "1",
"mem_fragmentation_bytes": "7487576",
"lru_clock": "7899428",
"pubsub_patterns": "0",
"expired_time_cap_reached_count": "0",
"repl_backlog_first_byte_offset": "0",
"total_net_output_bytes": "1319784901",
"executable": "/www/server/redis/src/redis-server",
"evicted_keys": "0",
"total_connections_received": "13012",
"allocator_active": "1716224",
"mem_not_counted_for_evict": "0",
"redis_version": "5.0.8",
"total_net_input_bytes": "67132355",
"latest_fork_usec": "239",
"maxmemory_human": "0B",
"used_memory_peak": "1938504",
"allocator_resident": "4136960",
"keyspace_hits": "746932",
"uptime_in_days": "80",
"instantaneous_input_kbps": "0.00",
"instantaneous_ops_per_sec": "0",
"rdb_last_save_time": "1652066505"
},
"dbSize": 204
}
}
