anchor.diff:  mongodb.dur.timems.writetojournal,gauge,,millisecond,,Amount of time spent writing to the journal,-1,mongodb,dur time ms write to journal
   mongodb.dur.writetodatafilesmb,gauge,,mebibyte,,Amount of data written from journal to the data files during the last journal group commit interval.,-1,mongodb,dur write to data files mb
   mongodb.extra_info.page_faultsps,gauge,,fault,second,Number of page faults per second that require disk operations.,0,mongodb,pagefaults ps
  +mongodb.fsynclocked,gauge,,,,Number of fsynclocked performed on a mongo instance.,0,mongodb,fsynclocked
   mongodb.globallock.activeclients.readers,gauge,,connection,,Count of the active client connections performing read operations.,0,mongodb,active clients readers
   mongodb.globallock.activeclients.total,gauge,,connection,,Total number of active client connections to the database.,0,mongodb,active clients total
   mongodb.globallock.activeclients.writers,gauge,,connection,,Count of active client connections performing write operations.,0,mongodb,active clients writers
  
positive.code: mongodb.oplog.usedsizemb,gauge,,mebibyte,,Total amount of space used by the oplog.,0,mongodb,oplog used size mb
  mongodb.replset.health,gauge,,,,Member health value of the replica set: conveys if the member is up (i.e. 1) or down (i.e. 0).,1,mongodb,replset health
  mongodb.replset.replicationlag,gauge,,second,,Delay between a write operation on the primary and its copy to a secondary.,-1,mongodb,replication lag
  mongodb.stats.datasize,gauge,,byte,,Total size of the data held in this database including the padding factor.,0,mongodb,stats datasize
  mongodb.stats.indexes,gauge,,index,,Total number of indexes across all collections in the database.,0,mongodb,stats indexes
  mongodb.stats.indexsize,gauge,,byte,,Total size of all indexes created on this database.,0,mongodb,stats indexsize
  
negative.code: mongodb.backgroundflushing.total_ms,gauge,,millisecond,,Total number of time that the `mongod` processes have spent writing (i.e. flushing) data to disk.,0,mongodb,background flushing total ms
  mongodb.connections.available,gauge,,connection,,Number of unused available incoming connections the database can provide.,0,mongodb,connections available
  mongodb.connections.current,gauge,,connection,,Number of connections to the database server from clients.,0,mongodb,connections current
  mongodb.connections.totalcreated,gauge,,connection,,Total number of connections created.,0,mongodb,connections created
  mongodb.cursors.timedout,gauge,,cursor,,Total number of cursors that have timed out since the server process started.,0,mongodb,cursors timed out
  mongodb.cursors.totalopen,gauge,,cursor,,Number of cursors that MongoDB is maintaining for clients,0,mongodb,cursors open
  mongodb.dbs,gauge,,item,,Total number of existing databases,0,mongodb,databases
  