MongoDB Statistics Collector for OpenTSDB

NOTE : This collector uses MongoDB's REST Interface so make sure "mongo" process is started with "--rest" flag. The default port for REST interface is "28017", so collector should be able to access that port.

This collector outputs following metrics

• mongo.mem.resident
• mongo.mem.virtual
• mongo.mem.mapped
• mongo.network.bytesIn
• mongo.network.bytesOut
• mongo.network.numRequests
• mongo.opcounters.insert
• mongo.opcounters.query
• mongo.opcounters.update
• mongo.opcounters.delete
• mongo.opcounters.getmore
• mongo.opcounters.command
• mongo.connections.current
• mongo.connections.available
• mongo.extra_info.heap_usage_bytes
• mongo.extra_info.page_faults
• mongo.asserts.regular
• mongo.asserts.warning
• mongo.asserts.msg
• mongo.asserts.user
• mongo.asserts.rollovers
• mongo.indexCounters.btree.missRatio
• mongo.indexCounters.btree.resets
• mongo.indexCounters.btree.hits
• mongo.indexCounters.btree.misses
• mongo.indexCounters.btree.accesses
• mongo.globalLock.totaltime
• mongo.globalLock.locktime
• mongo.globalLock.ratio
• mongo.globalLock.currentQueue.total
• mongo.globalLock.currentQueue.readers
• mongo.globalLock.currentQueue.writers
• mongo.globalLock.activeClients.total
• mongo.globalLock.activeClients.readers
• mongo.globalLock.activeClients.writers

All metrics are tagged with host=

For more information on these values, refer:

http://www.mongodb.org/display/DOCS/serverStatus+Command