【已解决】启动TDengine的服务端taosd

折腾：

【未解决】试用TDeigine数据库的功能和效果

期间，先去启动服务端。

参考官网文档：

1 2	`[root@xxx tdengine]# which taosd` `/usr/bin/taosd`

再去启动服务端：

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[root@xxx tdengine]# taosd --version
02/29 20:11:41.949522 3953 7f4350c35740 UTL timezone not configured, set to system default: (CST, +0800)
02/29 20:11:41.949593 3953 7f4350c35740 UTL locale not configured, set to system default:en_US.UTF-8
02/29 20:11:41.949605 3953 7f4350c35740 UTL charset not configured, set to system default:UTF-8
02/29 20:11:41.949761 3953 7f4350c35740 UTL    taos config & system info:
02/29 20:11:41.949773 3953 7f4350c35740 UTL ==================================
02/29 20:11:41.949777 3953 7f4350c35740 UTL  localIp:                10.173.32.11 
02/29 20:11:41.949802 3953 7f4350c35740 UTL  httpIp:                 0.0.0.0 
02/29 20:11:41.949805 3953 7f4350c35740 UTL  httpPort:               6020 
02/29 20:11:41.949808 3953 7f4350c35740 UTL  mgmtShellPort:          6030 
02/29 20:11:41.949816 3953 7f4350c35740 UTL  vnodeShellPort:         6035 
02/29 20:11:41.949819 3953 7f4350c35740 UTL  configDir:              /etc/taos 
02/29 20:11:41.949822 3953 7f4350c35740 UTL  logDir:                 /var/log/taos 
02/29 20:11:41.949829 3953 7f4350c35740 UTL  scriptDir:              /etc/taos 
02/29 20:11:41.949832 3953 7f4350c35740 UTL  dataDir:                /var/lib/taos 
02/29 20:11:41.949835 3953 7f4350c35740 UTL  numOfThreadsPerCore:    1.000000 
02/29 20:11:41.949852 3953 7f4350c35740 UTL  ratioOfQueryThreads:    0.500000 
02/29 20:11:41.949856 3953 7f4350c35740 UTL  numOfVnodesPerCore:     8 
02/29 20:11:41.949859 3953 7f4350c35740 UTL  numOfTotalVnodes:       0 
02/29 20:11:41.949862 3953 7f4350c35740 UTL  tables:                 1000 
02/29 20:11:41.949865 3953 7f4350c35740 UTL  cache:                  16384(byte)
02/29 20:11:41.949871 3953 7f4350c35740 UTL  rows:                   4096 
02/29 20:11:41.949874 3953 7f4350c35740 UTL  fileBlockMinPercent:    0.050000 
02/29 20:11:41.949878 3953 7f4350c35740 UTL  ablocks:                4 
02/29 20:11:41.949883 3953 7f4350c35740 UTL  tblocks:                100 
02/29 20:11:41.949886 3953 7f4350c35740 UTL  affectedRowsMod:        0 
02/29 20:11:41.949889 3953 7f4350c35740 UTL  monitorInterval:        30(s)
02/29 20:11:41.949894 3953 7f4350c35740 UTL  rpcTimer:               300(ms)
02/29 20:11:41.949897 3953 7f4350c35740 UTL  rpcMaxTime:             600(s)
02/29 20:11:41.949901 3953 7f4350c35740 UTL  ctime:                  3600(s)
02/29 20:11:41.949904 3953 7f4350c35740 UTL  statusInterval:         1(s)
02/29 20:11:41.949909 3953 7f4350c35740 UTL  shellActivityTimer:     3(s)
02/29 20:11:41.949912 3953 7f4350c35740 UTL  meterMetaKeepTimer:     7200(s)
02/29 20:11:41.949914 3953 7f4350c35740 UTL  metricMetaKeepTimer:    600(s)
02/29 20:11:41.949919 3953 7f4350c35740 UTL  maxUsers:               1000 
02/29 20:11:41.949922 3953 7f4350c35740 UTL  maxDbs:                 1000 
02/29 20:11:41.949925 3953 7f4350c35740 UTL  maxTables:              650000 
02/29 20:11:41.949929 3953 7f4350c35740 UTL  maxVGroups:             1000 
02/29 20:11:41.949937 3953 7f4350c35740 UTL  minSlidingTime:         10(ms)
02/29 20:11:41.949940 3953 7f4350c35740 UTL  minIntervalTime:        10(ms)
02/29 20:11:41.949943 3953 7f4350c35740 UTL  maxStreamCompDelay:     20000(ms)
02/29 20:11:41.949946 3953 7f4350c35740 UTL  maxFirstStreamCompDelay:10000(ms)
02/29 20:11:41.949948 3953 7f4350c35740 UTL  retryStreamCompDelay:   10(ms)
02/29 20:11:41.949951 3953 7f4350c35740 UTL  clog:                   1 
02/29 20:11:41.949956 3953 7f4350c35740 UTL  comp:                   2 
02/29 20:11:41.949959 3953 7f4350c35740 UTL  days:                   10 
02/29 20:11:41.949962 3953 7f4350c35740 UTL  keep:                   3650 
02/29 20:11:41.949965 3953 7f4350c35740 UTL  defaultDB:               
02/29 20:11:41.949971 3953 7f4350c35740 UTL  defaultUser:            root 
02/29 20:11:41.949974 3953 7f4350c35740 UTL  sockettype:             udp 
02/29 20:11:41.949977 3953 7f4350c35740 UTL  compressMsgSize:        -1 
02/29 20:11:41.949982 3953 7f4350c35740 UTL  maxSQLLength:           65380(byte)
02/29 20:11:41.949985 3953 7f4350c35740 UTL  timezone:                (CST, +0800) 
02/29 20:11:41.949988 3953 7f4350c35740 UTL  locale:                 en_US.UTF-8 
02/29 20:11:41.949994 3953 7f4350c35740 UTL  charset:                UTF-8 
02/29 20:11:41.949997 3953 7f4350c35740 UTL  maxShellConns:          2000 
02/29 20:11:41.950001 3953 7f4350c35740 UTL  maxMeterConnections:    10000 
02/29 20:11:41.950003 3953 7f4350c35740 UTL  maxMgmtConnections:     2000 
02/29 20:11:41.950006 3953 7f4350c35740 UTL  maxVnodeConnections:    10000 
02/29 20:11:41.950009 3953 7f4350c35740 UTL  minimalLogDirGB:        0.100000(GB)
02/29 20:11:41.950013 3953 7f4350c35740 UTL  minimalTmpDirGB:        0.100000(GB)
02/29 20:11:41.950017 3953 7f4350c35740 UTL  minimalDataDirGB:       0.500000(GB)
02/29 20:11:41.950022 3953 7f4350c35740 UTL  http:                   1 
02/29 20:11:41.950025 3953 7f4350c35740 UTL  monitor:                1 
02/29 20:11:41.950028 3953 7f4350c35740 UTL  monitorDbName:          log 
02/29 20:11:41.950032 3953 7f4350c35740 UTL  httpCacheSessions:      100 
02/29 20:11:41.950041 3953 7f4350c35740 UTL  httpEnableRecordSql:    0 
02/29 20:11:41.950044 3953 7f4350c35740 UTL  telegrafUseFieldNum:    0 
02/29 20:11:41.950046 3953 7f4350c35740 UTL  httpMaxThreads:         2 
02/29 20:11:41.950049 3953 7f4350c35740 UTL  restfulRowLimit:        10240 
02/29 20:11:41.950052 3953 7f4350c35740 UTL  httpEnableCompress:     0 
02/29 20:11:41.950056 3953 7f4350c35740 UTL  numOfLogLines:          10000000 
02/29 20:11:41.950061 3953 7f4350c35740 UTL  asyncLog:               1 
02/29 20:11:41.950064 3953 7f4350c35740 UTL  debugFlag:              131 
02/29 20:11:41.950083 3953 7f4350c35740 UTL  mDebugFlag:             135 
02/29 20:11:41.950087 3953 7f4350c35740 UTL  dDebugFlag:             131 
02/29 20:11:41.950090 3953 7f4350c35740 UTL  sdbDebugFlag:           135 
02/29 20:11:41.950093 3953 7f4350c35740 UTL  rpcDebugFlag:           131 
02/29 20:11:41.950096 3953 7f4350c35740 UTL  tmrDebugFlag:           131 
02/29 20:11:41.950099 3953 7f4350c35740 UTL  cDebugFlag:             131 
02/29 20:11:41.950102 3953 7f4350c35740 UTL  jniDebugFlag:           131 
02/29 20:11:41.950123 3953 7f4350c35740 UTL  odbcDebugFlag:          131 
02/29 20:11:41.950126 3953 7f4350c35740 UTL  uDebugFlag:             131 
02/29 20:11:41.950129 3953 7f4350c35740 UTL  httpDebugFlag:          131 
02/29 20:11:41.950132 3953 7f4350c35740 UTL  monitorDebugFlag:       131 
02/29 20:11:41.950137 3953 7f4350c35740 UTL  qDebugFlag:             131 
02/29 20:11:41.950140 3953 7f4350c35740 UTL  tscEnableRecordSql:     0 
02/29 20:11:41.950143 3953 7f4350c35740 UTL  enableCoreFile:         0 
02/29 20:11:41.950146 3953 7f4350c35740 UTL  gitinfo:                918cb2220f6a1f71966f7e94e697885d50fc241f 
02/29 20:11:41.950170 3953 7f4350c35740 UTL  gitinfoOfInternal:       
02/29 20:11:41.950173 3953 7f4350c35740 UTL  buildinfo:              Built by root at 2020-02-09 11:06 
02/29 20:11:41.950262 3953 7f4350c35740 UTL  version:                1.6.5.5 
02/29 20:11:41.950271 3953 7f4350c35740 UTL  dataDir:                /var/lib/taos
02/29 20:11:41.950274 3953 7f4350c35740 UTL  os pageSize:            4096(KB)
02/29 20:11:41.950278 3953 7f4350c35740 UTL  os openMax:             1024
02/29 20:11:41.950282 3953 7f4350c35740 UTL  os streamMax:           16
02/29 20:11:41.950285 3953 7f4350c35740 UTL  os numOfCores:          16
02/29 20:11:41.950289 3953 7f4350c35740 UTL  os totalDisk:           19.622616(GB)
02/29 20:11:41.950294 3953 7f4350c35740 UTL  os totalMemory:         32008(MB)
02/29 20:11:41.950300 3953 7f4350c35740 UTL  os sysname:             Linux
02/29 20:11:41.950307 3953 7f4350c35740 UTL  os nodename:            xxx.localdomain
02/29 20:11:41.950309 3953 7f4350c35740 UTL  os release:             3.10.0-123.el7.x86_64
02/29 20:11:41.950312 3953 7f4350c35740 UTL  os version:             #1 SMP Mon Jun 30 12:09:22 UTC 2014
02/29 20:11:41.950315 3953 7f4350c35740 UTL  os machine:             x86_64
02/29 20:11:41.950317 3953 7f4350c35740 UTL ==================================
02/29 20:11:41.950320 3953 7f4350c35740 DND Server IP address is:10.173.32.11
02/29 20:11:41.950326 3953 7f4350c35740 DND starting to initialize TDengine ...
02/29 20:11:41.951977 3953 7f4350c35740 MND starting to initialize TDengine mgmt ...
02/29 20:11:41.953112 3953 7f4350c35740 MND dnode first access, set total vnodes:128
02/29 20:11:41.965324 3953 7f4350c35740 MND TDengine mgmt is initialized successfully
02/29 20:11:41.970409 3953 7f4350c35740 DND vnode is initialized successfully
02/29 20:11:41.970444 3953 7f4350c35740 HTP starting to initialize http service ...
02/29 20:11:41.973324 3953 7f4350c35740 DND TDengine is initialized successfully
02/29 20:11:41.973459 3953 7f432ca3b700 HTP http service init success at ip:0.0.0.0:6020
02/29 20:11:41.988057 3953 7f43421f3700 MON starting to initialize monitor service ..
02/29 20:11:41.988542 3953 7f43469fc700 MND user:monitor login from 10.173.32.11, code:0
02/29 20:11:41.989110 3953 7f43429f4700 MND DB:0.log is created by monitor
02/29 20:11:41.989560 3953 7f43471fd700 DND vid:0, vpeer cfg received, replica:1 session:33, vnodeList replica:0 session:0, acct:root db:0.log
02/29 20:11:41.989576 3953 7f43471fd700 DND vid:0, vpeer:0 ip:0x0 vid:0 
02/29 20:11:41.989583 3953 7f43471fd700 DND vid:0, vnode is empty
02/29 20:11:41.989587 3953 7f43471fd700 DND vid:0, status:offline, start to create vnode
02/29 20:11:41.989845 3953 7f43471fd700 DND vid:0, cache pool is allocated:0x40008c0
02/29 20:11:41.990003 3953 7f43471fd700 DND vid:0, commit log is initialized
02/29 20:11:41.990015 3953 7f43471fd700 DND vid:0, storage initialized, version:0 fileId:0 numOfFiles:0
02/29 20:11:41.990019 3953 7f43471fd700 DND vid:0, status:creating, start to open
02/29 20:11:41.990124 3953 7f43471fd700 DND vid:0, sessions:33, shell is opened
02/29 20:11:41.990132 3953 7f43471fd700 DND vid:0, status:master numOfPeers:0
02/29 20:11:41.990135 3953 7f43471fd700 DND vid:0, stream role is changed from stop to start
02/29 20:11:41.990140 3953 7f43471fd700 DND vid:0, vnode is opened, openVnodes:1, status:master
02/29 20:11:42.003447 3953 7f4338ff9700 MON dnode:10.173.32.11 is started
02/29 20:11:42.005308 3953 7f4337ff7700 MON monitor service init success

此处暂时没client去测试，所以暂停服务

后来再去试试

[root@xxx tdengine]# taosd
02/29 20:32:47.118513 4082 7fc48e858740 UTL timezone not configured, set to system default: (CST, +0800)
02/29 20:32:47.118582 4082 7fc48e858740 UTL locale not configured, set to system default:en_US.UTF-8
02/29 20:32:47.118623 4082 7fc48e858740 UTL charset not configured, set to system default:UTF-8
02/29 20:32:47.118687 4082 7fc48e858740 ERROR DND failed to lock file:/var/lib/taos/.running ret:-1, database may be running, quit

失败。

去看看

1 2	`[root@xxx tdengine]# ll /var/lib/taos/.running` `-rwxrwxrwx 1 root root 0 Feb 29 20:32 /var/lib/taos/.running`

然后去删除掉

[root@xxx tdengine]# rm -rf /var/lib/taos/
data/     mgmt/     .running  tsdb/     
[root@xxx tdengine]# rm -rf /var/lib/taos/.running

再去试试，结果：

[root@xxx tdengine]# taosd
02/29 20:34:16.714364 4087 7f7f76cbf740 UTL timezone not configured, set to system default: (CST, +0800)
02/29 20:34:16.714446 4087 7f7f76cbf740 UTL locale not configured, set to system default:en_US.UTF-8
02/29 20:34:16.714459 4087 7f7f76cbf740 UTL charset not configured, set to system default:UTF-8
02/29 20:34:16.714531 4087 7f7f76cbf740 UTL    taos config & system info:
02/29 20:34:16.714541 4087 7f7f76cbf740 UTL ==================================
02/29 20:34:16.714545 4087 7f7f76cbf740 UTL  localIp:                10.173.32.11 
。。。
02/29 20:34:16.714943 4087 7f7f76cbf740 UTL  os machine:             x86_64
02/29 20:34:16.714945 4087 7f7f76cbf740 UTL ==================================
02/29 20:34:16.714949 4087 7f7f76cbf740 DND Server IP address is:10.173.32.11
02/29 20:34:16.714956 4087 7f7f76cbf740 DND starting to initialize TDengine ...
02/29 20:34:16.715178 4087 7f7f76cbf740 MND starting to initialize TDengine mgmt ...
02/29 20:34:16.715990 4087 7f7f76cbf740 MND dnode first access, set total vnodes:128
02/29 20:34:16.727057 4087 7f7f76cbf740 MND TDengine mgmt is initialized successfully
02/29 20:34:16.727063 4087 7f7f5ffff700 ERROR UTL bind tcp server socket failed, 0.0.0.0:6030, reason:98(Address already in use)
02/29 20:34:16.727107 4087 7f7f5ffff700 RPC MND-shell failed to create TCP socket 0.0.0.0:6030 for UDP server, reason:Address already in use
02/29 20:34:16.727112 4087 7f7f5ffff700 UTL taosd will shut down soon
02/29 20:34:16.727148 4087 7f7f76cbf740 DND shut down signal is 2, sender PID:4087
02/29 20:34:16.727156 4087 7f7f76cbf740 HTP http service cleanup
02/29 20:34:16.727161 4087 7f7f76cbf740 MON monitor service cleanup
02/29 20:34:16.727563 4087 7f7f76cbf740 DND TDengine is shut down!

很明显是：

端口被占用了

说明后台正在运行

所以去找找，再杀掉：

[root@xxx tdengine]# ps aux | grep tao
root      3953  0.2  0.1 2176344 41592 pts/0   Tl   20:11   0:03 taosd --version
root      4120  0.0  0.0 112708   968 pts/0    S+   20:34   0:00 grep --color=auto tao
[root@xxx tdengine]# ps aux | grep tao
root      3953  0.2  0.1 2176344 41592 pts/0   Tl   20:11   0:03 taosd --version
root      4120  0.0  0.0 112708   968 pts/0    S+   20:34   0:00 grep --color=auto tao
[root@xxx tdengine]# kill -9 3953
[root@xxx tdengine]# ps aux | grep tao
root      4126  0.0  0.0 112708   968 pts/0    S+   20:35   0:00 grep --color=auto tao
[19]+  Killed                  taosd --version

再去运行试试，终于可以了：

[root@xxx tdengine]# taosd
02/29 20:35:26.645024 4129 7f0288075740 UTL timezone not configured, set to system default: (CST, +0800)
02/29 20:35:26.645108 4129 7f0288075740 UTL locale not configured, set to system default:en_US.UTF-8
02/29 20:35:26.645120 4129 7f0288075740 UTL charset not configured, set to system default:UTF-8
02/29 20:35:26.645186 4129 7f0288075740 UTL    taos config & system info:
02/29 20:35:26.645196 4129 7f0288075740 UTL ==================================
02/29 20:35:26.645200 4129 7f0288075740 UTL  localIp:                10.173.32.11 
...
02/29 20:35:26.645692 4129 7f0288075740 UTL  os release:             3.10.0-123.el7.x86_64
02/29 20:35:26.645694 4129 7f0288075740 UTL  os version:             #1 SMP Mon Jun 30 12:09:22 UTC 2014
02/29 20:35:26.645697 4129 7f0288075740 UTL  os machine:             x86_64
02/29 20:35:26.645700 4129 7f0288075740 UTL ==================================
02/29 20:35:26.645702 4129 7f0288075740 DND Server IP address is:10.173.32.11
02/29 20:35:26.645709 4129 7f0288075740 DND starting to initialize TDengine ...
02/29 20:35:26.645944 4129 7f0288075740 MND starting to initialize TDengine mgmt ...
02/29 20:35:26.646738 4129 7f0288075740 MND dnode first access, set total vnodes:128
02/29 20:35:26.658091 4129 7f0288075740 MND TDengine mgmt is initialized successfully
02/29 20:35:26.662274 4129 7f0288075740 DND vid:0, cache pool is allocated:0x1ffd180
02/29 20:35:26.662404 4129 7f0288075740 DND vid:0, commit log is initialized
02/29 20:35:26.662416 4129 7f0288075740 DND vid:0, storage initialized, version:31 fileId:0 numOfFiles:0
02/29 20:35:26.662863 4129 7f0288075740 DND vid:0, status:offline, start to open
02/29 20:35:26.662924 4129 7f0288075740 DND vid:0, sessions:33, shell is opened
02/29 20:35:26.662932 4129 7f0288075740 DND vid:0, status:master numOfPeers:0
02/29 20:35:26.662936 4129 7f0288075740 DND vid:0, stream role is changed from stop to start
02/29 20:35:26.662941 4129 7f0288075740 DND vid:0, vnode is opened, openVnodes:1, status:master
02/29 20:35:26.662951 4129 7f0288075740 DND vnode is initialized successfully
02/29 20:35:26.662959 4129 7f0288075740 HTP starting to initialize http service ...
02/29 20:35:26.665782 4129 7f0288075740 DND TDengine is initialized successfully
02/29 20:35:26.665820 4129 7f0263e5c700 HTP http service init success at ip:0.0.0.0:6020
02/29 20:35:26.676859 4129 7f0279633700 MON starting to initialize monitor service ..
02/29 20:35:26.677200 4129 7f027de3c700 MND user:monitor login from 10.173.32.11, code:0
02/29 20:35:26.678727 4129 7f027060d700 MON dnode:10.173.32.11 is started
02/29 20:35:26.681105 4129 7f026f60b700 MON monitor service init success

就可以了。

【后记】

去启动服务器端

之前是直接运行

taosd

此处不这么操作，去作为系统服务器启动

快速上手 | TDengine

1	`systemctl start taosd`

没有任何输出：

1	`[root@xxx tdengine]# systemctl start taosd`

然后再去看看状态：

[root@xxx tdengine]# systemctl status taosd
● taosd.service - TDengine server service
   Loaded: loaded (/etc/systemd/system/taosd.service; enabled; vendor preset: disabled)
   Active: active (running) since 日 2020-03-01 11:00:51 CST; 7s ago
 Main PID: 8331 (taosd)
   CGroup: /system.slice/taosd.service
           └─8331 /usr/bin/taosd
 
3月 01 11:00:51 xxx.localdomain systemd[1]: Started TDengine server service.
3月 01 11:00:51 xxx.localdomain TDengine:[8331]: Starting TDengine service...
3月 01 11:00:52 xxx.localdomain TDengine:[8331]: Started TDengine service successfully.

【总结】

启动TDengine的服务端的方式是：

方式1：（推荐）作为系统服务去启动运行

1	`systemctl start taosd`

启动后，去查看状态，确认已正在运行：

1	`systemctl status taosd`

看到

Active: active (running)

即可。

注：如果系统没有systemctl的话，则需要去安装

此处CentOS中是：

1	`yum` `install` `systemd`

注：systemctl包含在systemd工具中

方式2：手动的、单次的、直接的、运行

taosd

注意：

如果Control+C去关闭掉，可能会导致：

后台其实还在运行，会导致：

下次再运行会失败，会报错：

指示正在运行的文件已存在：/var/lib/taos/.running

解决办法：删除掉

rm -rf /var/lib/taos/.running

端口被占用

解决办法：杀掉

ps aux | grep tao

能看到对应的pid

kill -9 tao_pid

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【已解决】启动TDengine的服务端taosd

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