ubuntu@ip-172-31-22-48:~$ mlaunch --replicaset --nodes 50 --smallfiles --nojournal --oplogSize 32 launching: mongod on port 27017 launching: mongod on port 27018 ... launching: mongod on port 27066 replica set 'replset' initialized. ubuntu@ip-172-31-22-48:~$   replset:PRIMARY> db.testcol.insert( { "msg" : "hello world" } ) WriteResult({ "nInserted" : 1 })     replset:PRIMARY> rs.status() { "set" : "replset", "date" : ISODate("2014-11-13T14:40:08.145Z"), "myState" : 1, "members" : [ { "_id" : 0, "name" : "ip-172-31-22-48:27017", "health" : 1, "state" : 2, "stateStr" : "SECONDARY", "uptime" : 173, "optime" : Timestamp(1415889433, 1), "optimeDate" : ISODate("2014-11-13T14:37:13Z"), "lastHeartbeat" : ISODate("2014-11-13T14:40:06.254Z"), "lastHeartbeatRecv" : ISODate("2014-11-13T14:40:07.438Z"), "pingMs" : 0, "lastHeartbeatMessage" : "syncing from: ip-172-31-22-48:27045", "syncingTo" : "ip-172-31-22-48:27045" }, { "_id" : 1, "name" : "ip-172-31-22-48:27018", "health" : 1, "state" : 2, "stateStr" : "SECONDARY", "uptime" : 173, "optime" : Timestamp(1415889603, 2), "optimeDate" : ISODate("2014-11-13T14:40:03Z"), "lastHeartbeat" : ISODate("2014-11-13T14:40:06.324Z"), "lastHeartbeatRecv" : ISODate("2014-11-13T14:40:08.131Z"), "pingMs" : 0, "lastHeartbeatMessage" : "syncing from: ip-172-31-22-48:27030", "syncingTo" : "ip-172-31-22-48:27030" }, { "_id" : 2, "name" : "ip-172-31-22-48:27019", "health" : 1, "state" : 2, "stateStr" : "SECONDARY", "uptime" : 173, "optime" : Timestamp(1415889433, 1), "optimeDate" : ISODate("2014-11-13T14:37:13Z"), "lastHeartbeat" : ISODate("2014-11-13T14:40:06.414Z"), "lastHeartbeatRecv" : ISODate("2014-11-13T14:40:06.797Z"), "pingMs" : 0, "lastHeartbeatMessage" : "syncing from: ip-172-31-22-48:27045", "syncingTo" : "ip-172-31-22-48:27045" }, { "_id" : 3, "name" : "ip-172-31-22-48:27020", "health" : 1, "state" : 2, "stateStr" : "SECONDARY", "uptime" : 173, "optime" : Timestamp(1415889433, 1), "optimeDate" : ISODate("2014-11-13T14:37:13Z"), "lastHeartbeat" : ISODate("2014-11-13T14:40:06.765Z"), "lastHeartbeatRecv" : ISODate("2014-11-13T14:40:06.423Z"), "pingMs" : 0, "lastHeartbeatMessage" : "syncing from: ip-172-31-22-48:27030", "syncingTo" : "ip-172-31-22-48:27030" }, { "_id" : 4, "name" : "ip-172-31-22-48:27021", "health" : 1, "state" : 2, "stateStr" : "SECONDARY", "uptime" : 173, "optime" : Timestamp(1415889433, 1), "optimeDate" : ISODate("2014-11-13T14:37:13Z"), "lastHeartbeat" : ISODate("2014-11-13T14:40:06.525Z"), "lastHeartbeatRecv" : ISODate("2014-11-13T14:40:06.568Z"), "pingMs" : 0, "lastHeartbeatMessage" : "syncing from: ip-172-31-22-48:27045", "syncingTo" : "ip-172-31-22-48:27045" }, { "_id" : 5, "name" : "ip-172-31-22-48:27022", "health" : 1, "state" : 2, "stateStr" : "SECONDARY", "uptime" : 173, "optime" : Timestamp(1415889433, 1), "optimeDate" : ISODate("2014-11-13T14:37:13Z"), "lastHeartbeat" : ISODate("2014-11-13T14:40:06.563Z"), "lastHeartbeatRecv" : ISODate("2014-11-13T14:40:06.788Z"), "pingMs" : 0, "lastHeartbeatMessage" : "syncing from: ip-172-31-22-48:27045", "syncingTo" : "ip-172-31-22-48:27045" }, { "_id" : 6, "name" : "ip-172-31-22-48:27023", "health" : 1, "state" : 2, "stateStr" : "SECONDARY", "uptime" : 173, "optime" : Timestamp(1415889433, 1), "optimeDate" : ISODate("2014-11-13T14:37:13Z"), "lastHeartbeat" : ISODate("2014-11-13T14:40:06.349Z"), "lastHeartbeatRecv" : ISODate("2014-11-13T14:40:06.612Z"), "pingMs" : 0, "lastHeartbeatMessage" : "syncing from: ip-172-31-22-48:27030", "syncingTo" : "ip-172-31-22-48:27030" }, { "_id" : 7, "name" : "ip-172-31-22-48:27024", "health" : 1, "state" : 2, "stateStr" : "SECONDARY", "uptime" : 173, "optime" : Timestamp(1415889433, 1), "optimeDate" : ISODate("2014-11-13T14:37:13Z"), "lastHeartbeat" : ISODate("2014-11-13T14:40:06.484Z"), "lastHeartbeatRecv" : ISODate("2014-11-13T14:40:06.497Z"), "pingMs" : 0, "lastHeartbeatMessage" : "syncing from: ip-172-31-22-48:27030", "syncingTo" : "ip-172-31-22-48:27030" }, { "_id" : 8, "name" : "ip-172-31-22-48:27025", "health" : 1, "state" : 2, "stateStr" : "SECONDARY", "uptime" : 173, "optime" : Timestamp(1415889433, 1), "optimeDate" : ISODate("2014-11-13T14:37:13Z"), "lastHeartbeat" : ISODate("2014-11-13T14:40:06.396Z"), "lastHeartbeatRecv" : ISODate("2014-11-13T14:40:06.371Z"), "pingMs" : 0, "lastHeartbeatMessage" : "syncing from: ip-172-31-22-48:27030", "syncingTo" : "ip-172-31-22-48:27030" }, { "_id" : 9, "name" : "ip-172-31-22-48:27026", "health" : 1, "state" : 2, "stateStr" : "SECONDARY", "uptime" : 173, "optime" : Timestamp(1415889433, 1), "optimeDate" : ISODate("2014-11-13T14:37:13Z"), "lastHeartbeat" : ISODate("2014-11-13T14:40:06.343Z"), "lastHeartbeatRecv" : ISODate("2014-11-13T14:40:06.404Z"), "pingMs" : 0, "lastHeartbeatMessage" : "syncing from: ip-172-31-22-48:27030", "syncingTo" : "ip-172-31-22-48:27030" }, { "_id" : 10, "name" : "ip-172-31-22-48:27027", "health" : 1, "state" : 2, "stateStr" : "SECONDARY", "uptime" : 173, "optime" : Timestamp(1415889433, 1), "optimeDate" : ISODate("2014-11-13T14:37:13Z"), "lastHeartbeat" : ISODate("2014-11-13T14:40:06.396Z"), "lastHeartbeatRecv" : ISODate("2014-11-13T14:40:06.278Z"), "pingMs" : 0, "lastHeartbeatMessage" : "syncing from: ip-172-31-22-48:27030", "syncingTo" : "ip-172-31-22-48:27030" }, { "_id" : 11, "name" : "ip-172-31-22-48:27028", "health" : 1, "state" : 2, "stateStr" : "SECONDARY", "uptime" : 173, "optime" : Timestamp(1415889433, 1), "optimeDate" : ISODate("2014-11-13T14:37:13Z"), "lastHeartbeat" : ISODate("2014-11-13T14:40:06.555Z"), "lastHeartbeatRecv" : ISODate("2014-11-13T14:40:06.250Z"), "pingMs" : 0, "lastHeartbeatMessage" : "syncing from: ip-172-31-22-48:27030", "syncingTo" : "ip-172-31-22-48:27030" }, { "_id" : 12, "name" : "ip-172-31-22-48:27029", "health" : 1, "state" : 2, "stateStr" : "SECONDARY", "uptime" : 173, "optime" : Timestamp(1415889603, 2), "optimeDate" : ISODate("2014-11-13T14:40:03Z"), "lastHeartbeat" : ISODate("2014-11-13T14:40:06.584Z"), "lastHeartbeatRecv" : ISODate("2014-11-13T14:40:06.274Z"), "pingMs" : 0, "lastHeartbeatMessage" : "syncing from: ip-172-31-22-48:27030", "syncingTo" : "ip-172-31-22-48:27030" }, { "_id" : 13, "name" : "ip-172-31-22-48:27030", "health" : 1, "state" : 1, "stateStr" : "PRIMARY", "uptime" : 183, "optime" : Timestamp(1415889603, 2), "optimeDate" : ISODate("2014-11-13T14:40:03Z"), "electionTime" : Timestamp(1415889440, 0), "electionDate" : ISODate("2014-11-13T14:37:20Z"), "self" : true }, { "_id" : 14, "name" : "ip-172-31-22-48:27031", "health" : 1, "state" : 2, "stateStr" : "SECONDARY", "uptime" : 173, "optime" : Timestamp(1415889433, 1), "optimeDate" : ISODate("2014-11-13T14:37:13Z"), "lastHeartbeat" : ISODate("2014-11-13T14:40:06.471Z"), "lastHeartbeatRecv" : ISODate("2014-11-13T14:40:06.201Z"), "pingMs" : 0, "lastHeartbeatMessage" : "syncing from: ip-172-31-22-48:27030", "syncingTo" : "ip-172-31-22-48:27030" }, { "_id" : 15, "name" : "ip-172-31-22-48:27032", "health" : 1, "state" : 2, "stateStr" : "SECONDARY", "uptime" : 173, "optime" : Timestamp(1415889433, 1), "optimeDate" : ISODate("2014-11-13T14:37:13Z"), "lastHeartbeat" : ISODate("2014-11-13T14:40:06.584Z"), "lastHeartbeatRecv" : ISODate("2014-11-13T14:40:06.266Z"), "pingMs" : 0, "lastHeartbeatMessage" : "syncing from: ip-172-31-22-48:27030", "syncingTo" : "ip-172-31-22-48:27030" }, { "_id" : 16, "name" : "ip-172-31-22-48:27033", "health" : 1, "state" : 2, "stateStr" : "SECONDARY", "uptime" : 173, "optime" : Timestamp(1415889433, 1), "optimeDate" : ISODate("2014-11-13T14:37:13Z"), "lastHeartbeat" : ISODate("2014-11-13T14:40:06.429Z"), "lastHeartbeatRecv" : ISODate("2014-11-13T14:40:06.711Z"), "pingMs" : 0, "lastHeartbeatMessage" : "syncing from: ip-172-31-22-48:27029", "syncingTo" : "ip-172-31-22-48:27029" }, { "_id" : 17, "name" : "ip-172-31-22-48:27034", "health" : 1, "state" : 2, "stateStr" : "SECONDARY", "uptime" : 173, "optime" : Timestamp(1415889433, 1), "optimeDate" : ISODate("2014-11-13T14:37:13Z"), "lastHeartbeat" : ISODate("2014-11-13T14:40:06.477Z"), "lastHeartbeatRecv" : ISODate("2014-11-13T14:40:06.458Z"), "pingMs" : 0, "lastHeartbeatMessage" : "syncing from: ip-172-31-22-48:27030", "syncingTo" : "ip-172-31-22-48:27030" }, { "_id" : 18, "name" : "ip-172-31-22-48:27035", "health" : 1, "state" : 2, "stateStr" : "SECONDARY", "uptime" : 173, "optime" : Timestamp(1415889433, 1), "optimeDate" : ISODate("2014-11-13T14:37:13Z"), "lastHeartbeat" : ISODate("2014-11-13T14:40:06.480Z"), "lastHeartbeatRecv" : ISODate("2014-11-13T14:40:06.446Z"), "pingMs" : 0, "lastHeartbeatMessage" : "syncing from: ip-172-31-22-48:27030", "syncingTo" : "ip-172-31-22-48:27030" }, { "_id" : 19, "name" : "ip-172-31-22-48:27036", "health" : 1, "state" : 2, "stateStr" : "SECONDARY", "uptime" : 173, "optime" : Timestamp(1415889433, 1), "optimeDate" : ISODate("2014-11-13T14:37:13Z"), "lastHeartbeat" : ISODate("2014-11-13T14:40:06.584Z"), "lastHeartbeatRecv" : ISODate("2014-11-13T14:40:06.324Z"), "pingMs" : 0, "lastHeartbeatMessage" : "syncing from: ip-172-31-22-48:27030", "syncingTo" : "ip-172-31-22-48:27030" }, { "_id" : 20, "name" : "ip-172-31-22-48:27037", "health" : 1, "state" : 2, "stateStr" : "SECONDARY", "uptime" : 173, "optime" : Timestamp(1415889433, 1), "optimeDate" : ISODate("2014-11-13T14:37:13Z"), "lastHeartbeat" : ISODate("2014-11-13T14:40:06.495Z"), "lastHeartbeatRecv" : ISODate("2014-11-13T14:40:06.324Z"), "pingMs" : 0, "lastHeartbeatMessage" : "syncing from: ip-172-31-22-48:27030", "syncingTo" : "ip-172-31-22-48:27030" }, { "_id" : 21, "name" : "ip-172-31-22-48:27038", "health" : 1, "state" : 2, "stateStr" : "SECONDARY", "uptime" : 173, "optime" : Timestamp(1415889433, 1), "optimeDate" : ISODate("2014-11-13T14:37:13Z"), "lastHeartbeat" : ISODate("2014-11-13T14:40:06.481Z"), "lastHeartbeatRecv" : ISODate("2014-11-13T14:40:06.349Z"), "pingMs" : 0, "lastHeartbeatMessage" : "syncing from: ip-172-31-22-48:27030", "syncingTo" : "ip-172-31-22-48:27030" }, { "_id" : 22, "name" : "ip-172-31-22-48:27039", "health" : 1, "state" : 2, "stateStr" : "SECONDARY", "uptime" : 173, "optime" : Timestamp(1415889433, 1), "optimeDate" : ISODate("2014-11-13T14:37:13Z"), "lastHeartbeat" : ISODate("2014-11-13T14:40:06.584Z"), "lastHeartbeatRecv" : ISODate("2014-11-13T14:40:06.288Z"), "pingMs" : 0, "lastHeartbeatMessage" : "syncing from: ip-172-31-22-48:27030", "syncingTo" : "ip-172-31-22-48:27030" }, { "_id" : 23, "name" : "ip-172-31-22-48:27040", "health" : 1, "state" : 2, "stateStr" : "SECONDARY", "uptime" : 173, "optime" : Timestamp(1415889433, 1), "optimeDate" : ISODate("2014-11-13T14:37:13Z"), "lastHeartbeat" : ISODate("2014-11-13T14:40:06.550Z"), "lastHeartbeatRecv" : ISODate("2014-11-13T14:40:06.247Z"), "pingMs" : 0, "lastHeartbeatMessage" : "syncing from: ip-172-31-22-48:27030", "syncingTo" : "ip-172-31-22-48:27030" }, { "_id" : 24, "name" : "ip-172-31-22-48:27041", "health" : 1, "state" : 2, "stateStr" : "SECONDARY", "uptime" : 173, "optime" : Timestamp(1415889433, 1), "optimeDate" : ISODate("2014-11-13T14:37:13Z"), "lastHeartbeat" : ISODate("2014-11-13T14:40:06.499Z"), "lastHeartbeatRecv" : ISODate("2014-11-13T14:40:06.434Z"), "pingMs" : 0, "lastHeartbeatMessage" : "syncing from: ip-172-31-22-48:27030", "syncingTo" : "ip-172-31-22-48:27030" }, { "_id" : 25, "name" : "ip-172-31-22-48:27042", "health" : 1, "state" : 2, "stateStr" : "SECONDARY", "uptime" : 173, "optime" : Timestamp(1415889433, 1), "optimeDate" : ISODate("2014-11-13T14:37:13Z"), "lastHeartbeat" : ISODate("2014-11-13T14:40:06.495Z"), "lastHeartbeatRecv" : ISODate("2014-11-13T14:40:06.577Z"), "pingMs" : 0, "lastHeartbeatMessage" : "syncing from: ip-172-31-22-48:27030", "syncingTo" : "ip-172-31-22-48:27030" }, { "_id" : 26, "name" : "ip-172-31-22-48:27043", "health" : 1, "state" : 2, "stateStr" : "SECONDARY", "uptime" : 173, "optime" : Timestamp(1415889433, 1), "optimeDate" : ISODate("2014-11-13T14:37:13Z"), "lastHeartbeat" : ISODate("2014-11-13T14:40:06.550Z"), "lastHeartbeatRecv" : ISODate("2014-11-13T14:40:06.637Z"), "pingMs" : 0, "lastHeartbeatMessage" : "syncing from: ip-172-31-22-48:27045", "syncingTo" : "ip-172-31-22-48:27045" }, { "_id" : 27, "name" : "ip-172-31-22-48:27044", "health" : 1, "state" : 2, "stateStr" : "SECONDARY", "uptime" : 173, "optime" : Timestamp(1415889433, 1), "optimeDate" : ISODate("2014-11-13T14:37:13Z"), "lastHeartbeat" : ISODate("2014-11-13T14:40:06.593Z"), "lastHeartbeatRecv" : ISODate("2014-11-13T14:40:06.785Z"), "pingMs" : 0, "lastHeartbeatMessage" : "syncing from: ip-172-31-22-48:27045", "syncingTo" : "ip-172-31-22-48:27045" }, { "_id" : 28, "name" : "ip-172-31-22-48:27045", "health" : 1, "state" : 2, "stateStr" : "SECONDARY", "uptime" : 173, "optime" : Timestamp(1415889603, 2), "optimeDate" : ISODate("2014-11-13T14:40:03Z"), "lastHeartbeat" : ISODate("2014-11-13T14:40:06.584Z"), "lastHeartbeatRecv" : ISODate("2014-11-13T14:40:06.203Z"), "pingMs" : 0, "lastHeartbeatMessage" : "syncing from: ip-172-31-22-48:27030", "syncingTo" : "ip-172-31-22-48:27030" }, { "_id" : 29, "name" : "ip-172-31-22-48:27046", "health" : 1, "state" : 2, "stateStr" : "SECONDARY", "uptime" : 173, "optime" : Timestamp(1415889433, 1), "optimeDate" : ISODate("2014-11-13T14:37:13Z"), "lastHeartbeat" : ISODate("2014-11-13T14:40:06.637Z"), "lastHeartbeatRecv" : ISODate("2014-11-13T14:40:06.375Z"), "pingMs" : 0, "lastHeartbeatMessage" : "syncing from: ip-172-31-22-48:27030", "syncingTo" : "ip-172-31-22-48:27030" }, { "_id" : 30, "name" : "ip-172-31-22-48:27047", "health" : 1, "state" : 2, "stateStr" : "SECONDARY", "uptime" : 173, "optime" : Timestamp(1415889433, 1), "optimeDate" : ISODate("2014-11-13T14:37:13Z"), "lastHeartbeat" : ISODate("2014-11-13T14:40:06.584Z"), "lastHeartbeatRecv" : ISODate("2014-11-13T14:40:06.856Z"), "pingMs" : 0, "lastHeartbeatMessage" : "syncing from: ip-172-31-22-48:27045", "syncingTo" : "ip-172-31-22-48:27045" }, { "_id" : 31, "name" : "ip-172-31-22-48:27048", "health" : 1, "state" : 2, "stateStr" : "SECONDARY", "uptime" : 173, "optime" : Timestamp(1415889433, 1), "optimeDate" : ISODate("2014-11-13T14:37:13Z"), "lastHeartbeat" : ISODate("2014-11-13T14:40:06.584Z"), "lastHeartbeatRecv" : ISODate("2014-11-13T14:40:06.711Z"), "pingMs" : 0, "lastHeartbeatMessage" : "syncing from: ip-172-31-22-48:27045", "syncingTo" : "ip-172-31-22-48:27045" }, { "_id" : 32, "name" : "ip-172-31-22-48:27049", "health" : 1, "state" : 2, "stateStr" : "SECONDARY", "uptime" : 173, "optime" : Timestamp(1415889433, 1), "optimeDate" : ISODate("2014-11-13T14:37:13Z"), "lastHeartbeat" : ISODate("2014-11-13T14:40:06.571Z"), "lastHeartbeatRecv" : ISODate("2014-11-13T14:40:06.583Z"), "pingMs" : 0, "lastHeartbeatMessage" : "syncing from: ip-172-31-22-48:27045", "syncingTo" : "ip-172-31-22-48:27045" }, { "_id" : 33, "name" : "ip-172-31-22-48:27050", "health" : 1, "state" : 2, "stateStr" : "SECONDARY", "uptime" : 173, "optime" : Timestamp(1415889433, 1), "optimeDate" : ISODate("2014-11-13T14:37:13Z"), "lastHeartbeat" : ISODate("2014-11-13T14:40:06.557Z"), "lastHeartbeatRecv" : ISODate("2014-11-13T14:40:06.619Z"), "pingMs" : 0, "lastHeartbeatMessage" : "syncing from: ip-172-31-22-48:27045", "syncingTo" : "ip-172-31-22-48:27045" }, { "_id" : 34, "name" : "ip-172-31-22-48:27051", "health" : 1, "state" : 2, "stateStr" : "SECONDARY", "uptime" : 173, "optime" : Timestamp(1415889433, 1), "optimeDate" : ISODate("2014-11-13T14:37:13Z"), "lastHeartbeat" : ISODate("2014-11-13T14:40:06.584Z"), "lastHeartbeatRecv" : ISODate("2014-11-13T14:40:06.944Z"), "pingMs" : 0, "lastHeartbeatMessage" : "syncing from: ip-172-31-22-48:27045", "syncingTo" : "ip-172-31-22-48:27045" }, { "_id" : 35, "name" : "ip-172-31-22-48:27052", "health" : 1, "state" : 2, "stateStr" : "SECONDARY", "uptime" : 173, "optime" : Timestamp(1415889433, 1), "optimeDate" : ISODate("2014-11-13T14:37:13Z"), "lastHeartbeat" : ISODate("2014-11-13T14:40:06.687Z"), "lastHeartbeatRecv" : ISODate("2014-11-13T14:40:06.807Z"), "pingMs" : 0, "lastHeartbeatMessage" : "syncing from: ip-172-31-22-48:27029", "syncingTo" : "ip-172-31-22-48:27029" }, { "_id" : 36, "name" : "ip-172-31-22-48:27053", "health" : 1, "state" : 2, "stateStr" : "SECONDARY", "uptime" : 173, "optime" : Timestamp(1415889433, 1), "optimeDate" : ISODate("2014-11-13T14:37:13Z"), "lastHeartbeat" : ISODate("2014-11-13T14:40:06.665Z"), "lastHeartbeatRecv" : ISODate("2014-11-13T14:40:06.501Z"), "pingMs" : 0, "lastHeartbeatMessage" : "syncing from: ip-172-31-22-48:27045", "syncingTo" : "ip-172-31-22-48:27045" }, { "_id" : 37, "name" : "ip-172-31-22-48:27054", "health" : 1, "state" : 2, "stateStr" : "SECONDARY", "uptime" : 173, "optime" : Timestamp(1415889433, 1), "optimeDate" : ISODate("2014-11-13T14:37:13Z"), "lastHeartbeat" : ISODate("2014-11-13T14:40:06.699Z"), "lastHeartbeatRecv" : ISODate("2014-11-13T14:40:06.596Z"), "pingMs" : 0, "lastHeartbeatMessage" : "syncing from: ip-172-31-22-48:27030", "syncingTo" : "ip-172-31-22-48:27030" }, { "_id" : 38, "name" : "ip-172-31-22-48:27055", "health" : 1, "state" : 2, "stateStr" : "SECONDARY", "uptime" : 173, "optime" : Timestamp(1415889433, 1), "optimeDate" : ISODate("2014-11-13T14:37:13Z"), "lastHeartbeat" : ISODate("2014-11-13T14:40:06.669Z"), "lastHeartbeatRecv" : ISODate("2014-11-13T14:40:06.637Z"), "pingMs" : 0, "lastHeartbeatMessage" : "syncing from: ip-172-31-22-48:27045", "syncingTo" : "ip-172-31-22-48:27045" }, { "_id" : 39, "name" : "ip-172-31-22-48:27056", "health" : 1, "state" : 2, "stateStr" : "SECONDARY", "uptime" : 173, "optime" : Timestamp(1415889433, 1), "optimeDate" : ISODate("2014-11-13T14:37:13Z"), "lastHeartbeat" : ISODate("2014-11-13T14:40:06.669Z"), "lastHeartbeatRecv" : ISODate("2014-11-13T14:40:06.861Z"), "pingMs" : 0, "lastHeartbeatMessage" : "syncing from: ip-172-31-22-48:27045", "syncingTo" : "ip-172-31-22-48:27045" }, { "_id" : 40, "name" : "ip-172-31-22-48:27057", "health" : 1, "state" : 2, "stateStr" : "SECONDARY", "uptime" : 173, "optime" : Timestamp(1415889433, 1), "optimeDate" : ISODate("2014-11-13T14:37:13Z"), "lastHeartbeat" : ISODate("2014-11-13T14:40:06.608Z"), "lastHeartbeatRecv" : ISODate("2014-11-13T14:40:06.928Z"), "pingMs" : 0, "lastHeartbeatMessage" : "syncing from: ip-172-31-22-48:27045", "syncingTo" : "ip-172-31-22-48:27045" }, { "_id" : 41, "name" : "ip-172-31-22-48:27058", "health" : 1, "state" : 2, "stateStr" : "SECONDARY", "uptime" : 173, "optime" : Timestamp(1415889433, 1), "optimeDate" : ISODate("2014-11-13T14:37:13Z"), "lastHeartbeat" : ISODate("2014-11-13T14:40:06.766Z"), "lastHeartbeatRecv" : ISODate("2014-11-13T14:40:06.595Z"), "pingMs" : 0, "lastHeartbeatMessage" : "syncing from: ip-172-31-22-48:27030", "syncingTo" : "ip-172-31-22-48:27030" }, { "_id" : 42, "name" : "ip-172-31-22-48:27059", "health" : 1, "state" : 2, "stateStr" : "SECONDARY", "uptime" : 173, "optime" : Timestamp(1415889433, 1), "optimeDate" : ISODate("2014-11-13T14:37:13Z"), "lastHeartbeat" : ISODate("2014-11-13T14:40:06.763Z"), "lastHeartbeatRecv" : ISODate("2014-11-13T14:40:06.811Z"), "pingMs" : 0, "lastHeartbeatMessage" : "syncing from: ip-172-31-22-48:27045", "syncingTo" : "ip-172-31-22-48:27045" }, { "_id" : 43, "name" : "ip-172-31-22-48:27060", "health" : 1, "state" : 2, "stateStr" : "SECONDARY", "uptime" : 173, "optime" : Timestamp(1415889433, 1), "optimeDate" : ISODate("2014-11-13T14:37:13Z"), "lastHeartbeat" : ISODate("2014-11-13T14:40:06.785Z"), "lastHeartbeatRecv" : ISODate("2014-11-13T14:40:06.883Z"), "pingMs" : 0, "lastHeartbeatMessage" : "syncing from: ip-172-31-22-48:27045", "syncingTo" : "ip-172-31-22-48:27045" }, { "_id" : 44, "name" : "ip-172-31-22-48:27061", "health" : 1, "state" : 2, "stateStr" : "SECONDARY", "uptime" : 173, "optime" : Timestamp(1415889433, 1), "optimeDate" : ISODate("2014-11-13T14:37:13Z"), "lastHeartbeat" : ISODate("2014-11-13T14:40:06.766Z"), "lastHeartbeatRecv" : ISODate("2014-11-13T14:40:06.799Z"), "pingMs" : 0, "lastHeartbeatMessage" : "syncing from: ip-172-31-22-48:27045", "syncingTo" : "ip-172-31-22-48:27045" }, { "_id" : 45, "name" : "ip-172-31-22-48:27062", "health" : 1, "state" : 2, "stateStr" : "SECONDARY", "uptime" : 173, "optime" : Timestamp(1415889433, 1), "optimeDate" : ISODate("2014-11-13T14:37:13Z"), "lastHeartbeat" : ISODate("2014-11-13T14:40:06.785Z"), "lastHeartbeatRecv" : ISODate("2014-11-13T14:40:06.832Z"), "pingMs" : 0, "lastHeartbeatMessage" : "syncing from: ip-172-31-22-48:27045", "syncingTo" : "ip-172-31-22-48:27045" }, { "_id" : 46, "name" : "ip-172-31-22-48:27063", "health" : 1, "state" : 2, "stateStr" : "SECONDARY", "uptime" : 173, "optime" : Timestamp(1415889433, 1), "optimeDate" : ISODate("2014-11-13T14:37:13Z"), "lastHeartbeat" : ISODate("2014-11-13T14:40:06.807Z"), "lastHeartbeatRecv" : ISODate("2014-11-13T14:40:07.013Z"), "pingMs" : 0, "lastHeartbeatMessage" : "syncing from: ip-172-31-22-48:27045", "syncingTo" : "ip-172-31-22-48:27045" }, { "_id" : 47, "name" : "ip-172-31-22-48:27064", "health" : 1, "state" : 2, "stateStr" : "SECONDARY", "uptime" : 173, "optime" : Timestamp(1415889433, 1), "optimeDate" : ISODate("2014-11-13T14:37:13Z"), "lastHeartbeat" : ISODate("2014-11-13T14:40:06.692Z"), "lastHeartbeatRecv" : ISODate("2014-11-13T14:40:07.576Z"), "pingMs" : 0, "lastHeartbeatMessage" : "syncing from: ip-172-31-22-48:27045", "syncingTo" : "ip-172-31-22-48:27045" }, { "_id" : 48, "name" : "ip-172-31-22-48:27065", "health" : 1, "state" : 2, "stateStr" : "SECONDARY", "uptime" : 173, "optime" : Timestamp(1415889433, 1), "optimeDate" : ISODate("2014-11-13T14:37:13Z"), "lastHeartbeat" : ISODate("2014-11-13T14:40:04.698Z"), "lastHeartbeatRecv" : ISODate("2014-11-13T14:40:05.505Z"), "pingMs" : 0, "lastHeartbeatMessage" : "could not find member to sync from" }, { "_id" : 49, "name" : "ip-172-31-22-48:27066", "health" : 1, "state" : 2, "stateStr" : "SECONDARY", "uptime" : 173, "optime" : Timestamp(1415889433, 1), "optimeDate" : ISODate("2014-11-13T14:37:13Z"), "lastHeartbeat" : ISODate("2014-11-13T14:40:06.699Z"), "lastHeartbeatRecv" : ISODate("2014-11-13T14:40:07.641Z"), "pingMs" : 0, "lastHeartbeatMessage" : "syncing from: ip-172-31-22-48:27018", "syncingTo" : "ip-172-31-22-48:27018" } ], "replCoord" : "impl", "ok" : 1 } replset:PRIMARY>         replset:PRIMARY> rs.config() { "_id" : "replset", "version" : 1, "members" : [ { "_id" : 0, "host" : "ip-172-31-22-48:27017", "arbiterOnly" : false, "buildIndexes" : true, "hidden" : false, "priority" : 1, "tags" : { }, "slaveDelay" : 0, "votes" : 1 }, { "_id" : 1, "host" : "ip-172-31-22-48:27018", "arbiterOnly" : false, "buildIndexes" : true, "hidden" : false, "priority" : 1, "tags" : { }, "slaveDelay" : 0, "votes" : 1 }, { "_id" : 2, "host" : "ip-172-31-22-48:27019", "arbiterOnly" : false, "buildIndexes" : true, "hidden" : false, "priority" : 1, "tags" : { }, "slaveDelay" : 0, "votes" : 1 }, { "_id" : 3, "host" : "ip-172-31-22-48:27020", "arbiterOnly" : false, "buildIndexes" : true, "hidden" : false, "priority" : 1, "tags" : { }, "slaveDelay" : 0, "votes" : 1 }, { "_id" : 4, "host" : "ip-172-31-22-48:27021", "arbiterOnly" : false, "buildIndexes" : true, "hidden" : false, "priority" : 1, "tags" : { }, "slaveDelay" : 0, "votes" : 1 }, { "_id" : 5, "host" : "ip-172-31-22-48:27022", "arbiterOnly" : false, "buildIndexes" : true, "hidden" : false, "priority" : 1, "tags" : { }, "slaveDelay" : 0, "votes" : 1 }, { "_id" : 6, "host" : "ip-172-31-22-48:27023", "arbiterOnly" : false, "buildIndexes" : true, "hidden" : false, "priority" : 1, "tags" : { }, "slaveDelay" : 0, "votes" : 1 }, { "_id" : 7, "host" : "ip-172-31-22-48:27024", "arbiterOnly" : false, "buildIndexes" : true, "hidden" : false, "priority" : 1, "tags" : { }, "slaveDelay" : 0, "votes" : 0 }, { "_id" : 8, "host" : "ip-172-31-22-48:27025", "arbiterOnly" : false, "buildIndexes" : true, "hidden" : false, "priority" : 1, "tags" : { }, "slaveDelay" : 0, "votes" : 0 }, { "_id" : 9, "host" : "ip-172-31-22-48:27026", "arbiterOnly" : false, "buildIndexes" : true, "hidden" : false, "priority" : 1, "tags" : { }, "slaveDelay" : 0, "votes" : 0 }, { "_id" : 10, "host" : "ip-172-31-22-48:27027", "arbiterOnly" : false, "buildIndexes" : true, "hidden" : false, "priority" : 1, "tags" : { }, "slaveDelay" : 0, "votes" : 0 }, { "_id" : 11, "host" : "ip-172-31-22-48:27028", "arbiterOnly" : false, "buildIndexes" : true, "hidden" : false, "priority" : 1, "tags" : { }, "slaveDelay" : 0, "votes" : 0 }, { "_id" : 12, "host" : "ip-172-31-22-48:27029", "arbiterOnly" : false, "buildIndexes" : true, "hidden" : false, "priority" : 1, "tags" : { }, "slaveDelay" : 0, "votes" : 0 }, { "_id" : 13, "host" : "ip-172-31-22-48:27030", "arbiterOnly" : false, "buildIndexes" : true, "hidden" : false, "priority" : 1, "tags" : { }, "slaveDelay" : 0, "votes" : 0 }, { "_id" : 14, "host" : "ip-172-31-22-48:27031", "arbiterOnly" : false, "buildIndexes" : true, "hidden" : false, "priority" : 1, "tags" : { }, "slaveDelay" : 0, "votes" : 0 }, { "_id" : 15, "host" : "ip-172-31-22-48:27032", "arbiterOnly" : false, "buildIndexes" : true, "hidden" : false, "priority" : 1, "tags" : { }, "slaveDelay" : 0, "votes" : 0 }, { "_id" : 16, "host" : "ip-172-31-22-48:27033", "arbiterOnly" : false, "buildIndexes" : true, "hidden" : false, "priority" : 1, "tags" : { }, "slaveDelay" : 0, "votes" : 0 }, { "_id" : 17, "host" : "ip-172-31-22-48:27034", "arbiterOnly" : false, "buildIndexes" : true, "hidden" : false, "priority" : 1, "tags" : { }, "slaveDelay" : 0, "votes" : 0 }, { "_id" : 18, "host" : "ip-172-31-22-48:27035", "arbiterOnly" : false, "buildIndexes" : true, "hidden" : false, "priority" : 1, "tags" : { }, "slaveDelay" : 0, "votes" : 0 }, { "_id" : 19, "host" : "ip-172-31-22-48:27036", "arbiterOnly" : false, "buildIndexes" : true, "hidden" : false, "priority" : 1, "tags" : { }, "slaveDelay" : 0, "votes" : 0 }, { "_id" : 20, "host" : "ip-172-31-22-48:27037", "arbiterOnly" : false, "buildIndexes" : true, "hidden" : false, "priority" : 1, "tags" : { }, "slaveDelay" : 0, "votes" : 0 }, { "_id" : 21, "host" : "ip-172-31-22-48:27038", "arbiterOnly" : false, "buildIndexes" : true, "hidden" : false, "priority" : 1, "tags" : { }, "slaveDelay" : 0, "votes" : 0 }, { "_id" : 22, "host" : "ip-172-31-22-48:27039", "arbiterOnly" : false, "buildIndexes" : true, "hidden" : false, "priority" : 1, "tags" : { }, "slaveDelay" : 0, "votes" : 0 }, { "_id" : 23, "host" : "ip-172-31-22-48:27040", "arbiterOnly" : false, "buildIndexes" : true, "hidden" : false, "priority" : 1, "tags" : { }, "slaveDelay" : 0, "votes" : 0 }, { "_id" : 24, "host" : "ip-172-31-22-48:27041", "arbiterOnly" : false, "buildIndexes" : true, "hidden" : false, "priority" : 1, "tags" : { }, "slaveDelay" : 0, "votes" : 0 }, { "_id" : 25, "host" : "ip-172-31-22-48:27042", "arbiterOnly" : false, "buildIndexes" : true, "hidden" : false, "priority" : 1, "tags" : { }, "slaveDelay" : 0, "votes" : 0 }, { "_id" : 26, "host" : "ip-172-31-22-48:27043", "arbiterOnly" : false, "buildIndexes" : true, "hidden" : false, "priority" : 1, "tags" : { }, "slaveDelay" : 0, "votes" : 0 }, { "_id" : 27, "host" : "ip-172-31-22-48:27044", "arbiterOnly" : false, "buildIndexes" : true, "hidden" : false, "priority" : 1, "tags" : { }, "slaveDelay" : 0, "votes" : 0 }, { "_id" : 28, "host" : "ip-172-31-22-48:27045", "arbiterOnly" : false, "buildIndexes" : true, "hidden" : false, "priority" : 1, "tags" : { }, "slaveDelay" : 0, "votes" : 0 }, { "_id" : 29, "host" : "ip-172-31-22-48:27046", "arbiterOnly" : false, "buildIndexes" : true, "hidden" : false, "priority" : 1, "tags" : { }, "slaveDelay" : 0, "votes" : 0 }, { "_id" : 30, "host" : "ip-172-31-22-48:27047", "arbiterOnly" : false, "buildIndexes" : true, "hidden" : false, "priority" : 1, "tags" : { }, "slaveDelay" : 0, "votes" : 0 }, { "_id" : 31, "host" : "ip-172-31-22-48:27048", "arbiterOnly" : false, "buildIndexes" : true, "hidden" : false, "priority" : 1, "tags" : { }, "slaveDelay" : 0, "votes" : 0 }, { "_id" : 32, "host" : "ip-172-31-22-48:27049", "arbiterOnly" : false, "buildIndexes" : true, "hidden" : false, "priority" : 1, "tags" : { }, "slaveDelay" : 0, "votes" : 0 }, { "_id" : 33, "host" : "ip-172-31-22-48:27050", "arbiterOnly" : false, "buildIndexes" : true, "hidden" : false, "priority" : 1, "tags" : { }, "slaveDelay" : 0, "votes" : 0 }, { "_id" : 34, "host" : "ip-172-31-22-48:27051", "arbiterOnly" : false, "buildIndexes" : true, "hidden" : false, "priority" : 1, "tags" : { }, "slaveDelay" : 0, "votes" : 0 }, { "_id" : 35, "host" : "ip-172-31-22-48:27052", "arbiterOnly" : false, "buildIndexes" : true, "hidden" : false, "priority" : 1, "tags" : { }, "slaveDelay" : 0, "votes" : 0 }, { "_id" : 36, "host" : "ip-172-31-22-48:27053", "arbiterOnly" : false, "buildIndexes" : true, "hidden" : false, "priority" : 1, "tags" : { }, "slaveDelay" : 0, "votes" : 0 }, { "_id" : 37, "host" : "ip-172-31-22-48:27054", "arbiterOnly" : false, "buildIndexes" : true, "hidden" : false, "priority" : 1, "tags" : { }, "slaveDelay" : 0, "votes" : 0 }, { "_id" : 38, "host" : "ip-172-31-22-48:27055", "arbiterOnly" : false, "buildIndexes" : true, "hidden" : false, "priority" : 1, "tags" : { }, "slaveDelay" : 0, "votes" : 0 }, { "_id" : 39, "host" : "ip-172-31-22-48:27056", "arbiterOnly" : false, "buildIndexes" : true, "hidden" : false, "priority" : 1, "tags" : { }, "slaveDelay" : 0, "votes" : 0 }, { "_id" : 40, "host" : "ip-172-31-22-48:27057", "arbiterOnly" : false, "buildIndexes" : true, "hidden" : false, "priority" : 1, "tags" : { }, "slaveDelay" : 0, "votes" : 0 }, { "_id" : 41, "host" : "ip-172-31-22-48:27058", "arbiterOnly" : false, "buildIndexes" : true, "hidden" : false, "priority" : 1, "tags" : { }, "slaveDelay" : 0, "votes" : 0 }, { "_id" : 42, "host" : "ip-172-31-22-48:27059", "arbiterOnly" : false, "buildIndexes" : true, "hidden" : false, "priority" : 1, "tags" : { }, "slaveDelay" : 0, "votes" : 0 }, { "_id" : 43, "host" : "ip-172-31-22-48:27060", "arbiterOnly" : false, "buildIndexes" : true, "hidden" : false, "priority" : 1, "tags" : { }, "slaveDelay" : 0, "votes" : 0 }, { "_id" : 44, "host" : "ip-172-31-22-48:27061", "arbiterOnly" : false, "buildIndexes" : true, "hidden" : false, "priority" : 1, "tags" : { }, "slaveDelay" : 0, "votes" : 0 }, { "_id" : 45, "host" : "ip-172-31-22-48:27062", "arbiterOnly" : false, "buildIndexes" : true, "hidden" : false, "priority" : 1, "tags" : { }, "slaveDelay" : 0, "votes" : 0 }, { "_id" : 46, "host" : "ip-172-31-22-48:27063", "arbiterOnly" : false, "buildIndexes" : true, "hidden" : false, "priority" : 1, "tags" : { }, "slaveDelay" : 0, "votes" : 0 }, { "_id" : 47, "host" : "ip-172-31-22-48:27064", "arbiterOnly" : false, "buildIndexes" : true, "hidden" : false, "priority" : 1, "tags" : { }, "slaveDelay" : 0, "votes" : 0 }, { "_id" : 48, "host" : "ip-172-31-22-48:27065", "arbiterOnly" : false, "buildIndexes" : true, "hidden" : false, "priority" : 1, "tags" : { }, "slaveDelay" : 0, "votes" : 0 }, { "_id" : 49, "host" : "ip-172-31-22-48:27066", "arbiterOnly" : false, "buildIndexes" : true, "hidden" : false, "priority" : 1, "tags" : { }, "slaveDelay" : 0, "votes" : 0 } ], "settings" : { "chainingAllowed" : true, "heartbeatTimeoutSecs" : 10, "getLastErrorModes" : { }, "getLastErrorDefaults" : { "w" : 1, "wtimeout" : 0 } } }   This is odd, node { _id : 13 } (27030) is primary:   $ grep -r PRIMARY data data/replset/rs14/mongod.log:2014-11-13T14:37:20.945+0000 I REPLSETS transition to PRIMARY     And over half of the guys voted for him:   ubuntu@ip-172-31-22-48:~$ grep -r 'voting yea' data|sort -h data/replset/rs10/mongod.log:2014-11-13T14:37:20.944+0000 I REPLSETS replSetElect voting yea for ip-172-31-22-48:27030 (13) data/replset/rs11/mongod.log:2014-11-13T14:37:20.945+0000 I REPLSETS replSetElect voting yea for ip-172-31-22-48:27030 (13) data/replset/rs12/mongod.log:2014-11-13T14:37:20.945+0000 I REPLSETS replSetElect voting yea for ip-172-31-22-48:27030 (13) data/replset/rs13/mongod.log:2014-11-13T14:37:20.945+0000 I REPLSETS replSetElect voting yea for ip-172-31-22-48:27030 (13) data/replset/rs15/mongod.log:2014-11-13T14:37:20.945+0000 I REPLSETS replSetElect voting yea for ip-172-31-22-48:27030 (13) data/replset/rs16/mongod.log:2014-11-13T14:37:20.945+0000 I REPLSETS replSetElect voting yea for ip-172-31-22-48:27030 (13) data/replset/rs17/mongod.log:2014-11-13T14:37:20.997+0000 I REPLSETS replSetElect voting yea for ip-172-31-22-48:27045 (28) data/replset/rs18/mongod.log:2014-11-13T14:37:20.997+0000 I REPLSETS replSetElect voting yea for ip-172-31-22-48:27045 (28) data/replset/rs19/mongod.log:2014-11-13T14:37:20.997+0000 I REPLSETS replSetElect voting yea for ip-172-31-22-48:27045 (28) data/replset/rs1/mongod.log:2014-11-13T14:37:20.943+0000 I REPLSETS replSetElect voting yea for ip-172-31-22-48:27030 (13) data/replset/rs20/mongod.log:2014-11-13T14:37:20.998+0000 I REPLSETS replSetElect voting yea for ip-172-31-22-48:27045 (28) data/replset/rs21/mongod.log:2014-11-13T14:37:20.998+0000 I REPLSETS replSetElect voting yea for ip-172-31-22-48:27045 (28) data/replset/rs22/mongod.log:2014-11-13T14:37:20.998+0000 I REPLSETS replSetElect voting yea for ip-172-31-22-48:27045 (28) data/replset/rs23/mongod.log:2014-11-13T14:37:20.998+0000 I REPLSETS replSetElect voting yea for ip-172-31-22-48:27045 (28) data/replset/rs24/mongod.log:2014-11-13T14:37:20.998+0000 I REPLSETS replSetElect voting yea for ip-172-31-22-48:27045 (28) data/replset/rs25/mongod.log:2014-11-13T14:37:20.998+0000 I REPLSETS replSetElect voting yea for ip-172-31-22-48:27045 (28) data/replset/rs26/mongod.log:2014-11-13T14:37:20.998+0000 I REPLSETS replSetElect voting yea for ip-172-31-22-48:27045 (28) data/replset/rs27/mongod.log:2014-11-13T14:37:20.998+0000 I REPLSETS replSetElect voting yea for ip-172-31-22-48:27045 (28) data/replset/rs28/mongod.log:2014-11-13T14:37:20.998+0000 I REPLSETS replSetElect voting yea for ip-172-31-22-48:27045 (28) data/replset/rs2/mongod.log:2014-11-13T14:37:21.002+0000 I REPLSETS replSetElect voting yea for ip-172-31-22-48:27030 (13) data/replset/rs30/mongod.log:2014-11-13T14:37:20.998+0000 I REPLSETS replSetElect voting yea for ip-172-31-22-48:27045 (28) data/replset/rs31/mongod.log:2014-11-13T14:37:20.999+0000 I REPLSETS replSetElect voting yea for ip-172-31-22-48:27045 (28) data/replset/rs32/mongod.log:2014-11-13T14:37:20.998+0000 I REPLSETS replSetElect voting yea for ip-172-31-22-48:27045 (28) data/replset/rs33/mongod.log:2014-11-13T14:37:20.999+0000 I REPLSETS replSetElect voting yea for ip-172-31-22-48:27045 (28) data/replset/rs34/mongod.log:2014-11-13T14:37:20.999+0000 I REPLSETS replSetElect voting yea for ip-172-31-22-48:27045 (28) data/replset/rs35/mongod.log:2014-11-13T14:37:20.999+0000 I REPLSETS replSetElect voting yea for ip-172-31-22-48:27045 (28) data/replset/rs3/mongod.log:2014-11-13T14:37:20.943+0000 I REPLSETS replSetElect voting yea for ip-172-31-22-48:27030 (13) data/replset/rs4/mongod.log:2014-11-13T14:37:20.991+0000 I REPLSETS replSetElect voting yea for ip-172-31-22-48:27030 (13) data/replset/rs5/mongod.log:2014-11-13T14:37:20.944+0000 I REPLSETS replSetElect voting yea for ip-172-31-22-48:27030 (13) data/replset/rs6/mongod.log:2014-11-13T14:37:20.943+0000 I REPLSETS replSetElect voting yea for ip-172-31-22-48:27030 (13) data/replset/rs7/mongod.log:2014-11-13T14:37:20.943+0000 I REPLSETS replSetElect voting yea for ip-172-31-22-48:27030 (13) data/replset/rs8/mongod.log:2014-11-13T14:37:20.944+0000 I REPLSETS replSetElect voting yea for ip-172-31-22-48:27030 (13) data/replset/rs9/mongod.log:2014-11-13T14:37:20.944+0000 I REPLSETS replSetElect voting yea for ip-172-31-22-48:27030 (13)