大于等于3.2按这种写法

1. [ root@ ip - 172 - 31 - 33 - 43 conf ] # more shard1 . conf
   

2. # where to write logging data .
   

3. systemLog :
   

4.   destination : file
   

5.   logAppend : true
   

6.   path : /data/shard1/log/shard1 . log
   

7.  
   

8. # Where and how to store data .
   

9. storage :
   

10.   dbPath : /data/shard1/data
    

11.   journal :
    

12.     enabled : true
    

13.   wiredTiger :
    

14.     engineConfig :
    

15.         cacheSizeGB : 5   ##限制内存使用大小
    

16. 
    

17. # how the process runs
    

18. processManagement :
    

19.   fork : true
    

20.   pidFilePath : /data/shard1/log/shard1 . pid
    

21.  
    

22. # network interfaces
    

23. net :
    

24.   port : 27001
    

25.   bindIp : 172 . 31 . 33 . 43
    

26. 
    

27. #security :
    

28. #  authorization : enabled
    

29. 
    

30. #operationProfiling :
    

31. replication :
    

32.     replSetName : shard1
    

33. sharding :
    

34.     clusterRole : shardsvr

security:                   ###开启权限认证

    keyFile: /usr/local/mongodb/keyfile

    authorization: enabled

1. 
   

2. [ root@ ip - 172 - 31 - 33 - 43 conf ] # more config . conf
   

3. ## content
   

4. systemLog :
   

5.   destination : file
   

6.   logAppend : true
   

7.   path : /data/config/log/config . log
   

8.  
   

9. # Where and how to store data .
   

10. storage :
    

11.   dbPath : /data/config/data
    

12.   journal :
    

13.     enabled : true
    

14. # how the process runs
    

15. processManagement :
    

16.   fork : true
    

17.   pidFilePath : /data/config/log/configsrv . pid
    

18.  
    

19. # network interfaces
    

20. net :
    

21.   port : 21000
    

22.   bindIp : 172 . 31 . 33 . 43
    

23.  
    

24. #operationProfiling :
    

25. replication :
    

26.     replSetName : config
    

27. 
    

28. sharding :
    

29.     clusterRole : configsvr
    

30. 
    

31. [ root@ ip - 172 - 31 - 33 - 43 conf ] # more mongos . conf
    

32. systemLog :
    

33.   destination : file
    

34.   logAppend : true
    

35.   path : /data/mongos/log/mongos . log
    

36. processManagement :
    

37.   fork : true
    

38.  
    

39. # network interfaces
    

40.   
    

41. net :
    

42.   port : 20000
    

43.   bindIp : 172 . 31 . 33 . 43
    

44. #监听的配置服务器 , 只能有1个或者3个 configs为配置服务器的副本集名字
    

45. sharding :
    

46.    configDB : config/172 . 31 . 33 . 43 : 21000 , 172 . 31 . 45 . 127 : 21000 , 172 . 31 . 36 . 162 : 21000

小于3.2一般按这种格式

1. port = 27017
   

2. dbpath = / data/mongodb/data
   

3. logpath = / data/mongodb/logs/mongodb . log
   

4. pidfilepath = / data/mongodb/logs/mongodb . pid
   

5. logappend = true
   

6. auth = true
   

7. fork = true
   

8. wiredTigerCacheSizeGB = 20