anchor.diff:  mongodb.metrics.getlasterror.wtimeoutsps,gauge,,event,second,Number of times per second that write concern operations have timed out as a result of the wtimeout threshold to getLastError,0,mongodb,getlasterror wtimeouts ps
   mongodb.metrics.operation.fastmodps,gauge,,operation,second,Number of update operations per second that neither cause documents to grow nor require updates to the index.,0,mongodb,operation fastmod ps
   mongodb.metrics.operation.idhackps,gauge,,query,second,Number of queries per second that contain the _id field.,0,mongodb,operation idhack ps
  -mongodb.metrics.operation.writeconflictsps,gauge,,event,,Number of times per second that write concern operations has encounter a conflict.,0,mongodb,wite conflict
  +mongodb.metrics.operation.writeconflictsps,gauge,,event,second,Number of times per second that write concern operations has encounter a conflict.,0,mongodb,wite conflict
   mongodb.metrics.operation.scanandorderps,gauge,,query,second,Number of queries per second that return sorted numbers that cannot perform the sort operation using an index.,0,mongodb,operation scanandorder ps
   mongodb.metrics.queryexecutor.scannedps,gauge,,operation,second,Number of index items scanned per second during queries and query-plan evaluation.,0,mongodb,queryexecutor scanned ps
   mongodb.metrics.record.movesps,gauge,,operation,second,Number of times per second documents move within the on-disk representation of the MongoDB data set.,0,mongodb,record moves ps
  
positive.code: mongodb.collection.nindexes,gauge,,index,,Total number of indices on the collection.,0,mongodb,number of indices on collection
  mongodb.collection.indexsizes,gauge,,byte,,Size of index in bytes.,0,mongodb,index size
  mongodb.collection.indexes.accesses.ops,gauge,,event,,Number of time the index was used.,0,mongodb,index usage
  mongodb.usage.commands.countps,gauge,,command,,Number of commands per second,0,mongodb,
  mongodb.usage.commands.count,gauge,,command,,Number of commands since server start (deprecated),0,mongodb,
  mongodb.usage.commands.time,gauge,,microsecond,,Total time spent performing commands in microseconds,-1,mongodb,
  mongodb.usage.getmore.countps,gauge,,fetch,,Number of getmore per second,0,mongodb,
  mongodb.usage.getmore.count,gauge,,fetch,,Number of getmore since server start (deprecated),0,mongodb,
  mongodb.usage.getmore.time,gauge,,microsecond,,Total time spent performing getmore in microseconds,-1,mongodb,
  mongodb.usage.insert.countps,gauge,,commit,,Number of inserts per second,0,mongodb,
  mongodb.usage.insert.count,gauge,,commit,,Number of inserts since server start (deprecated),0,mongodb,
  mongodb.usage.insert.time,gauge,,microsecond,,Total time spent performing inserts in microseconds,-1,mongodb,
  mongodb.usage.queries.countps,gauge,,query,,Number of queries per second,0,mongodb,
  mongodb.usage.queries.count,gauge,,query,,Number of queries since server start (deprecated),0,mongodb,
  mongodb.usage.queries.time,gauge,,microsecond,,Total time spent performing queries in microseconds,-1,mongodb,
  mongodb.usage.readlock.countps,gauge,,lock,,Number of read locks per second,0,mongodb,
  mongodb.usage.readlock.count,gauge,,lock,,Number of read locks since server start (deprecated),0,mongodb,
  mongodb.usage.readlock.time,gauge,,microsecond,,Total time spent performing read locks in microseconds,-1,mongodb,
  mongodb.usage.remove.countps,gauge,,commit,,Number of removes per second,0,mongodb,
  mongodb.usage.remove.count,gauge,,commit,,Number of removes since server start (deprecated),0,mongodb,
  mongodb.usage.remove.time,gauge,,microsecond,,Total time spent performing removes in microseconds,-1,mongodb,
  mongodb.usage.total.countps,gauge,,command,,Number of operations per second,0,mongodb,
  mongodb.usage.total.count,gauge,,command,,Number of operations since server start (deprecated),0,mongodb,
  mongodb.usage.total.time,gauge,,microsecond,,Total time spent performing operations in microseconds,-1,mongodb,
  mongodb.usage.update.countps,gauge,,commit,,Number of updates per second,0,mongodb,
  mongodb.usage.update.count,gauge,,commit,,Number of updates since server start (deprecated),0,mongodb,
  mongodb.usage.update.time,gauge,,microsecond,,Total time spent performing updates in microseconds,-1,mongodb,
  mongodb.usage.writelock.countps,gauge,,lock,,Number of write locks per second,0,mongodb,
  mongodb.usage.writelock.count,gauge,,lock,,Number of write locks since server start (deprecated),0,mongodb,
  mongodb.usage.writelock.time,gauge,,microsecond,,Total time spent performing write locks in microseconds,-1,mongodb,
  mongodb.tcmalloc.generic.current_allocated_bytes,gauge,,byte,,Number of bytes used by the application.,0,mongodb,
  
negative.code: mongodb.metrics.repl.network.getmores.totalmillisps,gauge,,fraction,,Fraction of time (ms/s) required to collect data from getmore operations.,0,mongodb,repl network getmores totalmillis ps
  mongodb.metrics.repl.network.opsps,gauge,,operation,second,Number of operations read from the replication source per second.,0,mongodb,repl network ops ps
  mongodb.metrics.repl.network.readerscreatedps,gauge,,process,second,Number of oplog query processes created per second.,0,mongodb,repl network readerscreated ps
  mongodb.metrics.repl.preload.docs.numps,gauge,,document,second,Number of documents loaded per second during the pre-fetch stage of replication.,0,mongodb,repl docs nums
  mongodb.metrics.repl.preload.docs.totalmillisps,gauge,,fraction,,Fraction of time (ms/s) spent loading documents as part of the pre-fetch stage of replication.,0,mongodb,repl docs nums
  mongodb.metrics.repl.preload.indexes.numps,gauge,,document,second,Number of index entries loaded by members before updating documents as part of the pre-fetch stage of replication.,0,mongodb,repl docs nums
  mongodb.metrics.repl.preload.indexes.totalmillisps,gauge,,fraction,,Fraction of time (ms/s) spent loading documents as part of the pre-fetch stage of replication.,0,mongodb,repl docs nums
  mongodb.metrics.ttl.deleteddocumentsps,gauge,,document,second,Number of documents deleted from collections with a ttl index per second.,0,mongodb,ttl deleted docs ps
  mongodb.metrics.ttl.passesps,gauge,,operation,second,Number of times per second the background process removes documents from collections with a ttl index.,0,mongodb,ttl passes ps
  mongodb.network.bytesinps,gauge,,byte,second,The number of bytes that reflects the amount of network traffic received by this database.,0,mongodb,bytes inps
  mongodb.network.bytesoutps,gauge,,byte,second,The number of bytes that reflects the amount of network traffic sent from this database.,0,mongodb,bytes outps
  mongodb.network.numrequestsps,gauge,,request,second,Number of distinct requests that the server has received.,0,mongodb,num requests ps
  mongodb.opcounters.commandps,gauge,,command,second,Total number of commands per second issued to the database.,0,mongodb,opcounters command ps
  mongodb.opcounters.deleteps,gauge,,operation,second,Number of delete operations per second.,0,mongodb,opcounters delete ps
  mongodb.opcounters.getmoreps,gauge,,operation,second,Number of getmore operations per second.,0,mongodb,opcounters getmore ps
  