先看下搭建好的副本集显示情况
27017(主节点)如下
C:\Users\78204>mongod --replSet rs0 --port 27017 --dbpath c:\srv\mongodb\rs0-0 --smallfiles --oplogSize 128 2019-07-03T15:46:46.815+0800 I CONTROL [main] Automatically disabling TLS 1.0, to force-enable TLS 1.0 specify --sslDisabledProtocols 'none' 2019-07-03T15:46:46.826+0800 I CONTROL [initandlisten] MongoDB starting : pid=12124 port=27017 dbpath=c:\srv\mongodb\rs0-0 64-bit host=DESKTOP-65Q8KM9 2019-07-03T15:46:46.826+0800 I CONTROL [initandlisten] targetMinOS: Windows 7/Windows Server 2008 R2 2019-07-03T15:46:46.826+0800 I CONTROL [initandlisten] db version v4.0.9 2019-07-03T15:46:46.827+0800 I CONTROL [initandlisten] git version: fc525e2d9b0e4bceff5c2201457e564362909765 2019-07-03T15:46:46.827+0800 I CONTROL [initandlisten] allocator: tcmalloc 2019-07-03T15:46:46.827+0800 I CONTROL [initandlisten] modules: none 2019-07-03T15:46:46.827+0800 I CONTROL [initandlisten] build environment: 2019-07-03T15:46:46.827+0800 I CONTROL [initandlisten] distmod: 2008plus-ssl 2019-07-03T15:46:46.827+0800 I CONTROL [initandlisten] distarch: x86_64 2019-07-03T15:46:46.827+0800 I CONTROL [initandlisten] target_arch: x86_64 2019-07-03T15:46:46.827+0800 I CONTROL [initandlisten] options: { net: { port: 27017 }, replication: { oplogSizeMB: 128, replSet: "rs0" }, storage: { dbPath: "c:\srv\mongodb\rs0-0", mmapv1: { smallFiles: true } } } 2019-07-03T15:46:46.831+0800 I STORAGE [initandlisten] wiredtiger_open config: create,cache_size=3543M,session_max=20000,eviction=(threads_min=4,threads_max=4),config_base=false,statistics=(fast),log=(enabled=true,archive=true,path=journal,compressor=snappy),file_manager=(close_idle_time=100000),statistics_log=(wait=0),verbose=(recovery_progress), 2019-07-03T15:46:46.870+0800 I STORAGE [initandlisten] WiredTiger message [1562140006:870173][12124:140724264981088], txn-recover: Set global recovery timestamp: 0 2019-07-03T15:46:46.881+0800 I RECOVERY [initandlisten] WiredTiger recoveryTimestamp. Ts: Timestamp(0, 0) 2019-07-03T15:46:46.910+0800 W STORAGE [initandlisten] Detected configuration for non-active storage engine mmapv1 when current storage engine is wiredTiger 2019-07-03T15:46:46.910+0800 I CONTROL [initandlisten] 2019-07-03T15:46:46.910+0800 I CONTROL [initandlisten] ** WARNING: Access control is not enabled for the database. 2019-07-03T15:46:46.911+0800 I CONTROL [initandlisten] ** Read and write access to data and configuration is unrestricted. 2019-07-03T15:46:46.911+0800 I CONTROL [initandlisten] 2019-07-03T15:46:46.911+0800 I CONTROL [initandlisten] ** WARNING: This server is bound to localhost. 2019-07-03T15:46:46.912+0800 I CONTROL [initandlisten] ** Remote systems will be unable to connect to this server. 2019-07-03T15:46:46.912+0800 I CONTROL [initandlisten] ** Start the server with --bind_ip <address> to specify which IP 2019-07-03T15:46:46.913+0800 I CONTROL [initandlisten] ** addresses it should serve responses from, or with --bind_ip_all to 2019-07-03T15:46:46.914+0800 I CONTROL [initandlisten] ** bind to all interfaces. If this behavior is desired, start the 2019-07-03T15:46:46.914+0800 I CONTROL [initandlisten] ** server with --bind_ip 127.0.0.1 to disable this warning. 2019-07-03T15:46:46.915+0800 I CONTROL [initandlisten] 2019-07-03T15:46:46.924+0800 I STORAGE [initandlisten] createCollection: local.startup_log with generated UUID: 5d9fea77-57e8-46ee-8200-08b51deaf90f 2019-07-03T15:46:47.174+0800 I FTDC [initandlisten] Initializing full-time diagnostic data capture with directory 'c:/srv/mongodb/rs0-0/diagnostic.data' 2019-07-03T15:46:47.177+0800 I STORAGE [initandlisten] createCollection: local.replset.oplogTruncateAfterPoint with generated UUID: 912b0806-d50a-4ddb-a565-437c1a680754 2019-07-03T15:46:47.189+0800 I STORAGE [initandlisten] createCollection: local.replset.minvalid with generated UUID: 48471e38-a57b-4d2d-984b-bf4d1cd8a280 2019-07-03T15:46:47.205+0800 I REPL [initandlisten] Did not find local voted for document at startup. 2019-07-03T15:46:47.206+0800 I REPL [initandlisten] Did not find local Rollback ID document at startup. Creating one. 2019-07-03T15:46:47.207+0800 I STORAGE [initandlisten] createCollection: local.system.rollback.id with generated UUID: 742ec76f-d229-4e66-8641-1b61f16508ea 2019-07-03T15:46:47.220+0800 I REPL [initandlisten] Initialized the rollback ID to 1 2019-07-03T15:46:47.220+0800 I REPL [initandlisten] Did not find local replica set configuration document at startup; NoMatchingDocument: Did not find replica set configuration document in local.system.replset 2019-07-03T15:46:47.223+0800 I CONTROL [LogicalSessionCacheRefresh] Sessions collection is not set up; waiting until next sessions refresh interval: Replication has not yet been configured 2019-07-03T15:46:47.224+0800 I NETWORK [initandlisten] waiting for connections on port 27017 2019-07-03T15:46:47.225+0800 I CONTROL [LogicalSessionCacheReap] Sessions collection is not set up; waiting until next sessions reap interval: config.system.sessions does not exist 2019-07-03T15:48:15.418+0800 I NETWORK [listener] connection accepted from 127.0.0.1:63164 #1 (1 connection now open) 2019-07-03T15:48:15.419+0800 I NETWORK [conn1] received client metadata from 127.0.0.1:63164 conn1: { application: { name: "MongoDB Shell" }, driver: { name: "MongoDB Internal Client", version: "4.0.9" }, os: { type: "Windows", name: "Microsoft Windows 10", architecture: "x86_64", version: "10.0 (build 17763)" } } 2019-07-03T15:49:50.516+0800 I REPL [conn1] replSetInitiate admin command received from client 2019-07-03T15:49:50.540+0800 I REPL [conn1] replSetInitiate config object with 3 members parses ok 2019-07-03T15:49:50.541+0800 I ASIO [Replication] Connecting to 127.0.0.1:27018 2019-07-03T15:49:50.543+0800 I ASIO [Replication] Connecting to 127.0.0.1:27019 2019-07-03T15:49:50.546+0800 I REPL [conn1] ****** 2019-07-03T15:49:50.546+0800 I REPL [conn1] creating replication oplog of size: 128MB... 2019-07-03T15:49:50.546+0800 I STORAGE [conn1] createCollection: local.oplog.rs with generated UUID: 7d633267-dcad-433a-b367-19d3f8019b52 2019-07-03T15:49:50.547+0800 I NETWORK [listener] connection accepted from 127.0.0.1:63190 #6 (2 connections now open) 2019-07-03T15:49:50.548+0800 I NETWORK [conn6] received client metadata from 127.0.0.1:63190 conn6: { driver: { name: "NetworkInterfaceTL", version: "4.0.9" }, os: { type: "Windows", name: "Microsoft Windows 10", architecture: "x86_64", version: "10.0 (build 17763)" } } 2019-07-03T15:49:50.548+0800 I NETWORK [listener] connection accepted from 127.0.0.1:63191 #7 (3 connections now open) 2019-07-03T15:49:50.549+0800 I NETWORK [conn7] received client metadata from 127.0.0.1:63191 conn7: { driver: { name: "NetworkInterfaceTL", version: "4.0.9" }, os: { type: "Windows", name: "Microsoft Windows 10", architecture: "x86_64", version: "10.0 (build 17763)" } } 2019-07-03T15:49:50.553+0800 I STORAGE [conn1] Starting OplogTruncaterThread local.oplog.rs 2019-07-03T15:49:50.554+0800 I STORAGE [conn1] The size storer reports that the oplog contains 0 records totaling to 0 bytes 2019-07-03T15:49:50.554+0800 I STORAGE [conn1] Scanning the oplog to determine where to place markers for truncation 2019-07-03T15:49:50.578+0800 I REPL [conn1] ****** 2019-07-03T15:49:50.578+0800 I STORAGE [conn1] createCollection: local.system.replset with generated UUID: 67825d84-2f70-4e76-87e1-d66510ef0280 2019-07-03T15:49:50.601+0800 I STORAGE [conn1] createCollection: admin.system.version with provided UUID: c30ef668-a63a-41b0-a617-f0d9be489f23 2019-07-03T15:49:50.617+0800 I COMMAND [conn1] setting featureCompatibilityVersion to 4.0 2019-07-03T15:49:50.617+0800 I NETWORK [conn1] Skip closing connection for connection # 7 2019-07-03T15:49:50.618+0800 I NETWORK [conn1] Skip closing connection for connection # 6 2019-07-03T15:49:50.618+0800 I NETWORK [conn1] Skip closing connection for connection # 1 2019-07-03T15:49:50.619+0800 I REPL [conn1] New replica set config in use: { _id: "rs0", version: 1, protocolVersion: 1, writeConcernMajorityJournalDefault: true, members: [ { _id: 0, host: "127.0.0.1:27017", arbiterOnly: false, buildIndexes: true, hidden: false, priority: 1.0, tags: {}, slaveDelay: 0, votes: 1 }, { _id: 1, host: "127.0.0.1:27018", arbiterOnly: false, buildIndexes: true, hidden: false, priority: 1.0, tags: {}, slaveDelay: 0, votes: 1 }, { _id: 2, host: "127.0.0.1:27019", arbiterOnly: false, buildIndexes: true, hidden: false, priority: 1.0, tags: {}, slaveDelay: 0, votes: 1 } ], settings: { chainingAllowed: true, heartbeatIntervalMillis: 2000, heartbeatTimeoutSecs: 10, electionTimeoutMillis: 10000, catchUpTimeoutMillis: -1, catchUpTakeoverDelayMillis: 30000, getLastErrorModes: {}, getLastErrorDefaults: { w: 1, wtimeout: 0 }, replicaSetId: ObjectId('5d1c5e1e207949b5278727c6') } } 2019-07-03T15:49:50.620+0800 I REPL [conn1] This node is 127.0.0.1:27017 in the config 2019-07-03T15:49:50.620+0800 I REPL [conn1] transition to STARTUP2 from STARTUP 2019-07-03T15:49:50.621+0800 I REPL [conn1] Starting replication storage threads 2019-07-03T15:49:50.621+0800 I REPL [replexec-1] Member 127.0.0.1:27018 is now in state STARTUP 2019-07-03T15:49:50.622+0800 I REPL [replexec-0] Member 127.0.0.1:27019 is now in state STARTUP 2019-07-03T15:49:50.624+0800 I REPL [conn1] transition to RECOVERING from STARTUP2 2019-07-03T15:49:50.624+0800 I REPL [conn1] Starting replication fetcher thread 2019-07-03T15:49:50.625+0800 I REPL [conn1] Starting replication applier thread 2019-07-03T15:49:50.625+0800 I REPL [conn1] Starting replication reporter thread 2019-07-03T15:49:50.625+0800 I REPL [rsSync-0] Starting oplog application 2019-07-03T15:49:50.626+0800 I COMMAND [conn1] command local.system.replset appName: "MongoDB Shell" command: replSetInitiate { replSetInitiate: { _id: "rs0", members: [ { _id: 0.0, host: "127.0.0.1:27017" }, { _id: 1.0, host: "127.0.0.1:27018" }, { _id: 2.0, host: "127.0.0.1:27019" } ] }, lsid: { id: UUID("159b56d2-00cc-47e0-a7a5-2498c6661e29") }, $clusterTime: { clusterTime: Timestamp(0, 0), signature: { hash: BinData(0, 0000000000000000000000000000000000000000), keyId: 0 } }, $db: "admin" } numYields:0 reslen:163 locks:{ Global: { acquireCount: { r: 14, w: 6, W: 2 }, acquireWaitCount: { W: 1 }, timeAcquiringMicros: { W: 47 } }, Database: { acquireCount: { r: 2, w: 3, W: 3 } }, Collection: { acquireCount: { r: 1, w: 2 } }, oplog: { acquireCount: { r: 1, w: 2 } } } storage:{} protocol:op_msg 109ms 2019-07-03T15:49:50.627+0800 I REPL [rsSync-0] transition to SECONDARY from RECOVERING 2019-07-03T15:49:50.627+0800 I REPL [rsSync-0] Resetting sync source to empty, which was :27017 2019-07-03T15:49:52.550+0800 I NETWORK [listener] connection accepted from 127.0.0.1:63193 #8 (4 connections now open) 2019-07-03T15:49:52.550+0800 I NETWORK [listener] connection accepted from 127.0.0.1:63194 #9 (5 connections now open) 2019-07-03T15:49:52.551+0800 I NETWORK [conn9] end connection 127.0.0.1:63194 (4 connections now open) 2019-07-03T15:49:52.561+0800 I NETWORK [conn8] end connection 127.0.0.1:63193 (3 connections now open) 2019-07-03T15:49:52.622+0800 I REPL [replexec-0] Member 127.0.0.1:27018 is now in state STARTUP2 2019-07-03T15:49:52.623+0800 I REPL [replexec-0] Member 127.0.0.1:27019 is now in state STARTUP2 2019-07-03T15:49:52.681+0800 I NETWORK [listener] connection accepted from 127.0.0.1:63199 #10 (4 connections now open) 2019-07-03T15:49:52.682+0800 I NETWORK [conn10] received client metadata from 127.0.0.1:63199 conn10: { driver: { name: "NetworkInterfaceTL", version: "4.0.9" }, os: { type: "Windows", name: "Microsoft Windows 10", architecture: "x86_64", version: "10.0 (build 17763)" } } 2019-07-03T15:49:52.684+0800 I NETWORK [listener] connection accepted from 127.0.0.1:63200 #11 (5 connections now open) 2019-07-03T15:49:52.688+0800 I NETWORK [conn11] received client metadata from 127.0.0.1:63200 conn11: { driver: { name: "NetworkInterfaceTL", version: "4.0.9" }, os: { type: "Windows", name: "Microsoft Windows 10", architecture: "x86_64", version: "10.0 (build 17763)" } } 2019-07-03T15:49:52.689+0800 I NETWORK [listener] connection accepted from 127.0.0.1:63201 #12 (6 connections now open) 2019-07-03T15:49:52.689+0800 I NETWORK [conn12] received client metadata from 127.0.0.1:63201 conn12: { driver: { name: "NetworkInterfaceTL", version: "4.0.9" }, os: { type: "Windows", name: "Microsoft Windows 10", architecture: "x86_64", version: "10.0 (build 17763)" } } 2019-07-03T15:49:52.691+0800 I NETWORK [listener] connection accepted from 127.0.0.1:63202 #13 (7 connections now open) 2019-07-03T15:49:52.692+0800 I NETWORK [conn13] received client metadata from 127.0.0.1:63202 conn13: { driver: { name: "NetworkInterfaceTL", version: "4.0.9" }, os: { type: "Windows", name: "Microsoft Windows 10", architecture: "x86_64", version: "10.0 (build 17763)" } } 2019-07-03T15:49:53.123+0800 I REPL [replexec-0] Member 127.0.0.1:27018 is now in state SECONDARY 2019-07-03T15:49:53.124+0800 I REPL [replexec-0] Member 127.0.0.1:27019 is now in state SECONDARY 2019-07-03T15:50:01.595+0800 I REPL [replexec-0] Starting an election, since we've seen no PRIMARY in the past 10000ms 2019-07-03T15:50:01.595+0800 I REPL [replexec-0] conducting a dry run election to see if we could be elected. current term: 0 2019-07-03T15:50:01.596+0800 I REPL [replexec-1] VoteRequester(term 0 dry run) received a yes vote from 127.0.0.1:27018; response message: { term: 0, voteGranted: true, reason: "", ok: 1.0, operationTime: Timestamp(1562140190, 1), $clusterTime: { clusterTime: Timestamp(1562140190, 1), signature: { hash: BinData(0, 0000000000000000000000000000000000000000), keyId: 0 } } } 2019-07-03T15:50:01.597+0800 I REPL [replexec-1] dry election run succeeded, running for election in term 1 2019-07-03T15:50:01.597+0800 I STORAGE [replexec-1] createCollection: local.replset.election with generated UUID: 29123673-7e5c-4950-903a-fa279f6d3cc4 2019-07-03T15:50:01.629+0800 I ASIO [Replication] Connecting to 127.0.0.1:27018 2019-07-03T15:50:01.629+0800 I ASIO [Replication] Connecting to 127.0.0.1:27019 2019-07-03T15:50:01.630+0800 I REPL [replexec-1] VoteRequester(term 1) received a yes vote from 127.0.0.1:27018; response message: { term: 1, voteGranted: true, reason: "", ok: 1.0, operationTime: Timestamp(1562140190, 1), $clusterTime: { clusterTime: Timestamp(1562140190, 1), signature: { hash: BinData(0, 0000000000000000000000000000000000000000), keyId: 0 } } } 2019-07-03T15:50:01.632+0800 I REPL [replexec-1] election succeeded, assuming primary role in term 1 2019-07-03T15:50:01.633+0800 I REPL [replexec-1] transition to PRIMARY from SECONDARY 2019-07-03T15:50:01.635+0800 I REPL [replexec-1] Resetting sync source to empty, which was :27017 2019-07-03T15:50:01.636+0800 I REPL [replexec-1] Entering primary catch-up mode. 2019-07-03T15:50:01.636+0800 I REPL [replexec-0] Caught up to the latest optime known via heartbeats after becoming primary. 2019-07-03T15:50:01.636+0800 I REPL [replexec-0] Exited primary catch-up mode. 2019-07-03T15:50:01.636+0800 I REPL [replexec-0] Stopping replication producer 2019-07-03T15:50:02.636+0800 I STORAGE [rsSync-0] createCollection: config.transactions with generated UUID: 58e7e6ae-12cd-4c14-80ba-4175445b5b04 2019-07-03T15:50:02.652+0800 I REPL [rsSync-0] transition to primary complete; database writes are now permitted 2019-07-03T15:50:02.654+0800 I STORAGE [monitoring keys for HMAC] createCollection: admin.system.keys with generated UUID: 963fabbf-d80b-430a-b879-a45f306b5c34 2019-07-03T15:50:02.684+0800 I NETWORK [conn10] end connection 127.0.0.1:63199 (6 connections now open) 2019-07-03T15:50:02.692+0800 I NETWORK [conn12] end connection 127.0.0.1:63201 (5 connections now open) 2019-07-03T15:50:03.759+0800 I NETWORK [listener] connection accepted from 127.0.0.1:63206 #16 (6 connections now open) 2019-07-03T15:50:03.760+0800 I NETWORK [conn16] received client metadata from 127.0.0.1:63206 conn16: { driver: { name: "NetworkInterfaceTL", version: "4.0.9" }, os: { type: "Windows", name: "Microsoft Windows 10", architecture: "x86_64", version: "10.0 (build 17763)" } } 2019-07-03T15:50:03.760+0800 I NETWORK [listener] connection accepted from 127.0.0.1:63207 #17 (7 connections now open) 2019-07-03T15:50:03.761+0800 I STORAGE [conn16] Triggering the first stable checkpoint. Initial Data: Timestamp(1562140190, 1) PrevStable: Timestamp(0, 0) CurrStable: Timestamp(1562140202, 1) 2019-07-03T15:50:03.764+0800 I NETWORK [conn17] received client metadata from 127.0.0.1:63207 conn17: { driver: { name: "NetworkInterfaceTL", version: "4.0.9" }, os: { type: "Windows", name: "Microsoft Windows 10", architecture: "x86_64", version: "10.0 (build 17763)" } } 2019-07-03T15:50:03.801+0800 I COMMAND [monitoring keys for HMAC] command admin.system.keys command: insert { insert: "system.keys", bypassDocumentValidation: false, ordered: true, documents: [ { _id: 6709341079356833793, purpose: "HMAC", key: BinData(0, 4DCB2FF0018A8E15DFDF4C7B5FCB7BB840ADAED0), expiresAt: Timestamp(1569916202, 0) } ], writeConcern: { w: "majority", wtimeout: 60000 }, allowImplicitCollectionCreation: true, $db: "admin" } ninserted:1 keysInserted:1 numYields:0 reslen:230 locks:{ Global: { acquireCount: { r: 3, w: 3 } }, Database: { acquireCount: { W: 3 } }, Collection: { acquireCount: { w: 2 } } } storage:{} protocol:op_msg 1146ms 2019-07-03T15:50:09.639+0800 I ASIO [Replication] Connecting to 127.0.0.1:27019 2019-07-03T15:50:11.615+0800 I CONNPOOL [Replication] Ending connection to host 127.0.0.1:27019 due to bad connection status; 2 connections to that host remain open 2019-07-03T15:51:01.631+0800 I CONNPOOL [Replication] Ending idle connection to host 127.0.0.1:27018 because the pool meets constraints; 1 connections to that host remain open 2019-07-03T15:51:47.224+0800 I CONTROL [LogicalSessionCacheReap] Sessions collection is not set up; waiting until next sessions reap interval: config.system.sessions does not exist 2019-07-03T15:51:47.224+0800 I STORAGE [LogicalSessionCacheRefresh] createCollection: config.system.sessions with generated UUID: 2eb274a8-af02-4f11-9d64-a4814d32d4ac 2019-07-03T15:51:47.251+0800 I INDEX [LogicalSessionCacheRefresh] build index on: config.system.sessions properties: { v: 2, key: { lastUse: 1 }, name: "lsidTTLIndex", ns: "config.system.sessions", expireAfterSeconds: 1800 } 2019-07-03T15:51:47.251+0800 I INDEX [LogicalSessionCacheRefresh] building index using bulk method; build may temporarily use up to 500 megabytes of RAM 2019-07-03T15:51:47.259+0800 I INDEX [LogicalSessionCacheRefresh] build index done. scanned 0 total records. 0 secs 2019-07-03T15:52:21.374+0800 I NETWORK [listener] connection accepted from 127.0.0.1:63238 #19 (8 connections now open) 2019-07-03T15:52:21.375+0800 I NETWORK [conn19] received client metadata from 127.0.0.1:63238 conn19: { driver: { name: "MongoDB Internal Client", version: "4.0.9" }, os: { type: "Windows", name: "Microsoft Windows 10", architecture: "x86_64", version: "10.0 (build 17763)" } } 2019-07-03T15:52:21.389+0800 I NETWORK [listener] connection accepted from 127.0.0.1:63240 #20 (9 connections now open) 2019-07-03T15:52:21.399+0800 I NETWORK [conn20] received client metadata from 127.0.0.1:63240 conn20: { driver: { name: "MongoDB Internal Client", version: "4.0.9" }, os: { type: "Windows", name: "Microsoft Windows 10", architecture: "x86_64", version: "10.0 (build 17763)" } } 2019-07-03T15:52:32.821+0800 I NETWORK [listener] connection accepted from 127.0.0.1:63245 #21 (10 connections now open) 2019-07-03T15:52:32.822+0800 I NETWORK [conn21] received client metadata from 127.0.0.1:63245 conn21: { driver: { name: "MongoDB Internal Client", version: "4.0.9" }, os: { type: "Windows", name: "Microsoft Windows 10", architecture: "x86_64", version: "10.0 (build 17763)" } } 2019-07-03T15:52:32.824+0800 I NETWORK [listener] connection accepted from 127.0.0.1:63246 #22 (11 connections now open) 2019-07-03T15:52:32.825+0800 I NETWORK [conn22] received client metadata from 127.0.0.1:63246 conn22: { driver: { name: "MongoDB Internal Client", version: "4.0.9" }, os: { type: "Windows", name: "Microsoft Windows 10", architecture: "x86_64", version: "10.0 (build 17763)" } } 2019-07-03T15:59:03.791+0800 I CONNPOOL [Replication] Ending idle connection to host 127.0.0.1:27019 because the pool meets constraints; 1 connections to that host remain open 2019-07-03T16:00:59.835+0800 I ASIO [Replication] Connecting to 127.0.0.1:27019 2019-07-03T16:02:01.837+0800 I CONNPOOL [Replication] Ending idle connection to host 127.0.0.1:27019 because the pool meets constraints; 1 connections to that host remain open 2019-07-03T16:02:07.858+0800 I ASIO [Replication] Connecting to 127.0.0.1:27019 2019-07-03T16:08:56.666+0800 I STORAGE [conn1] createCollection: admin.zt with generated UUID: 707bf97e-1fb1-47e8-993a-5e05577e2eff 2019-07-03T16:40:36.513+0800 I CONNPOOL [Replication] Ending idle connection to host 127.0.0.1:27019 because the pool meets constraints; 1 connections to that host remain open 2019-07-03T16:41:02.534+0800 I ASIO [Replication] Connecting to 127.0.0.1:27019 2019-07-03T16:54:30.742+0800 I CONNPOOL [Replication] Ending idle connection to host 127.0.0.1:27019 because the pool meets constraints; 1 connections to that host remain open 2019-07-03T16:55:02.768+0800 I ASIO [Replication] Connecting to 127.0.0.1:27019 2019-07-03T17:26:41.313+0800 I CONNPOOL [Replication] Ending idle connection to host 127.0.0.1:27019 because the pool meets constraints; 1 connections to that host remain open 2019-07-03T17:26:49.327+0800 I ASIO [Replication] Connecting to 127.0.0.1:27019 2019-07-03T17:30:23.376+0800 I CONNPOOL [Replication] Ending idle connection to host 127.0.0.1:27019 because the pool meets constraints; 1 connections to that host remain open 2019-07-03T17:30:45.402+0800 I ASIO [Replication] Connecting to 127.0.0.1:27019 2019-07-03T17:40:23.561+0800 I CONNPOOL [Replication] Ending idle connection to host 127.0.0.1:27019 because the pool meets constraints; 1 connections to that host remain open 2019-07-03T17:40:51.587+0800 I ASIO [Replication] Connecting to 127.0.0.1:27019 2019-07-03T17:41:51.589+0800 I CONNPOOL [Replication] Ending idle connection to host 127.0.0.1:27019 because the pool meets constraints; 1 connections to that host remain open 2019-07-03T17:44:53.666+0800 I ASIO [Replication] Connecting to 127.0.0.1:27019