1分でmongodbアーキテクチャReplica Set&Sharding---ttlsaチュートリアルシリーズのmongodb(7)を構築
テストテストの段階では、アプリケーションとシステムアーキテクチャの各方面の機能をテストし、ニーズに合っているかどうかをテストするシミュレーションのテスト環境が必要です.当社では、開発者のmongodbのレプリケーションセットとスライスアーキテクチャを構築するために、次の方法をよく使用してテストしています.私もこの方法を使ってオンラインアーキテクチャをシミュレートし、関連内容をテストします.MongoDB shellを開き、mongodを接続しません.
# ./mongo --nodb> replicaSet = new ReplSetTest({"nodes" : 3})> replicaSet.startSet()
ReplSetTest Starting Set
ReplSetTest n is : 0
ReplSetTest n: 0 ports: [ 31000, 31001, 31002 ] 31000 number
{
"useHostName" : true,
"oplogSize" : 40,
"keyFile" : undefined,
"port" : 31000,
"noprealloc" : "",
"smallfiles" : "",
"rest" : "",
"replSet" : "testReplSet",
"dbpath" : "$set-$node",
"restart" : undefined,
"pathOpts" : {
"node" : 0,
"set" : "testReplSet"
}
}
ReplSetTest Starting....
Resetting db path '/data/db/testReplSet-0'
ReplSetTest n is : 1
ReplSetTest n: 1 ports: [ 31000, 31001, 31002 ] 31001 number
{
"useHostName" : true,
"oplogSize" : 40,
"keyFile" : undefined,
"port" : 31001,
"noprealloc" : "",
"smallfiles" : "",
"rest" : "",
"replSet" : "testReplSet",
"dbpath" : "$set-$node",
"restart" : undefined,
"pathOpts" : {
"node" : 1,
"set" : "testReplSet"
}
}
ReplSetTest Starting....
Resetting db path '/data/db/testReplSet-1'
ReplSetTest n is : 2
ReplSetTest n: 2 ports: [ 31000, 31001, 31002 ] 31002 number
{
"useHostName" : true,
"oplogSize" : 40,
"keyFile" : undefined,
"port" : 31002,
"noprealloc" : "",
"smallfiles" : "",
"rest" : "",
"replSet" : "testReplSet",
"dbpath" : "$set-$node",
"restart" : undefined,
"pathOpts" : {
"node" : 2,
"set" : "testReplSet"
}
}
ReplSetTest Starting....
Resetting db path '/data/db/testReplSet-2'> replicaSet.initiate()
{
"replSetInitiate" : {
"_id" : "testReplSet",
"members" : [
{
"_id" : 0,
"host" : "nd0302012029:31000"
},
{
"_id" : 1,
"host" : "nd0302012029:31001"
},
{
"_id" : 2,
"host" : "nd0302012029:31002"
}
]
}
}# ps -ef | grep mong
root 1234 25530 0 12:07 pts/3 00:00:00 ./mongo --nodb
root 1302 1234 0 12:08 pts/3 00:00:00 /usr/local/mongodb-linux-x86_64-2.4.5/bin/mongod --oplogSize 40 --port 31000 --noprealloc --smallfiles --rest --replSet testReplSet --dbpath /data/db/testReplSet-0 --setParameter enableTestCommands=1
root 1350 1234 0 12:08 pts/3 00:00:00 /usr/local/mongodb-linux-x86_64-2.4.5/bin/mongod --oplogSize 40 --port 31001 --noprealloc --smallfiles --rest --replSet testReplSet --dbpath /data/db/testReplSet-1 --setParameter enableTestCommands=1
root 1398 1234 0 12:08 pts/3 00:00:00 /usr/local/mongodb-linux-x86_64-2.4.5/bin/mongod --oplogSize 40 --port 31002 --noprealloc --smallfiles --rest --replSet testReplSet --dbpath /data/db/testReplSet-2 --setParameter enableTestCommands=1
# netstat -ntplu | grep mong
tcp 0 0 0.0.0.0:32000 0.0.0.0:* LISTEN 1302/mongod
tcp 0 0 0.0.0.0:32001 0.0.0.0:* LISTEN 1350/mongod
tcp 0 0 0.0.0.0:32002 0.0.0.0:* LISTEN 1398/mongod
tcp 0 0 0.0.0.0:31000 0.0.0.0:* LISTEN 1302/mongod
tcp 0 0 0.0.0.0:31001 0.0.0.0:* LISTEN 1350/mongod
tcp 0 0 0.0.0.0:31002 0.0.0.0:* LISTEN 1398/mongod# ./mongo --nodb
> conn1 = new Mongo("localhost:31000")
> primaryDB = conn1.getDB("test") //testReplSet
test
> primaryDB.isMaster()
{
"setName" : "testReplSet",
"ismaster" : true,
"secondary" : false,
"hosts" : [
"nd0302012029:31000",
"nd0302012029:31002",
"nd0302012029:31001"
],
"primary" : "nd0302012029:31000",
"me" : "nd0302012029:31000",
"maxBsonObjectSize" : 16777216,
"maxMessageSizeBytes" : 48000000,
"localTime" : ISODate("2013-07-28T04:23:49.866Z"),
"ok" : 1
}> for (i=0; i<1000; i++) { primaryDB.coll.insert({count: i}) }
> primaryDB.coll.count()
1000> conn2 = new Mongo("localhost:31001")
connection to localhost:31001
> secondaryDB = conn2.getDB("test")
test
> secondaryDB.coll.find() // secondary
error: { "$err" : "not master and slaveOk=false", "code" : 13435 }> conn2.setSlaveOk()
> secondaryDB.coll.find()
{ "_id" : ObjectId("51f49d09d0d09f69bbea159a"), "count" : 0 }
{ "_id" : ObjectId("51f49d09d0d09f69bbea159b"), "count" : 1 }
{ "_id" : ObjectId("51f49d09d0d09f69bbea159c"), "count" : 2 }
{ "_id" : ObjectId("51f49d09d0d09f69bbea159d"), "count" : 3 }
{ "_id" : ObjectId("51f49d09d0d09f69bbea159e"), "count" : 4 }
{ "_id" : ObjectId("51f49d09d0d09f69bbea159f"), "count" : 5 }
{ "_id" : ObjectId("51f49d09d0d09f69bbea15a0"), "count" : 6 }
{ "_id" : ObjectId("51f49d09d0d09f69bbea15a1"), "count" : 7 }
{ "_id" : ObjectId("51f49d09d0d09f69bbea15a2"), "count" : 8 }
{ "_id" : ObjectId("51f49d09d0d09f69bbea15a3"), "count" : 9 }
{ "_id" : ObjectId("51f49d09d0d09f69bbea15a4"), "count" : 10 }
{ "_id" : ObjectId("51f49d09d0d09f69bbea15a5"), "count" : 11 }
{ "_id" : ObjectId("51f49d09d0d09f69bbea15a6"), "count" : 12 }
{ "_id" : ObjectId("51f49d09d0d09f69bbea15a7"), "count" : 13 }
{ "_id" : ObjectId("51f49d09d0d09f69bbea15a8"), "count" : 14 }
{ "_id" : ObjectId("51f49d09d0d09f69bbea15a9"), "count" : 15 }
{ "_id" : ObjectId("51f49d09d0d09f69bbea15aa"), "count" : 16 }
{ "_id" : ObjectId("51f49d09d0d09f69bbea15ab"), "count" : 17 }
{ "_id" : ObjectId("51f49d09d0d09f69bbea15ac"), "count" : 18 }
{ "_id" : ObjectId("51f49d09d0d09f69bbea15ad"), "count" : 19 }
Type "it" for more
> secondaryDB.coll.count()
1000> secondaryDB.coll.insert({"count" : 1001})
> secondaryDB.runCommand({"getLastError" : 1})
{
"err" : "not master",
"code" : 10058,
"n" : 0,
"lastOp" : Timestamp(0, 0),
"connectionId" : 75,
"ok" : 1
}> primaryDB.adminCommand({"shutdown" : 1})
# netstat -ntplu | grep mong
tcp 0 0 0.0.0.0:32001 0.0.0.0:* LISTEN 1350/mongod
tcp 0 0 0.0.0.0:32002 0.0.0.0:* LISTEN 1398/mongod
tcp 0 0 0.0.0.0:31001 0.0.0.0:* LISTEN 1350/mongod
tcp 0 0 0.0.0.0:31002 0.0.0.0:* LISTEN 1398/mongod> secondaryDB.isMaster()
{
"setName" : "testReplSet",
"ismaster" : false,
"secondary" : true,
"hosts" : [
"nd0302012029:31001",
"nd0302012029:31002",
"nd0302012029:31000"
],
"primary" : "nd0302012029:31002",
"me" : "nd0302012029:31001",
"maxBsonObjectSize" : 16777216,
"maxMessageSizeBytes" : 48000000,
"localTime" : ISODate("2013-07-28T04:35:43.224Z"),
"ok" : 1
}
> conn3 = new Mongo("localhost:31002")
connection to localhost:31002
> secondaryDB01 = conn3.getDB("test")
test
> secondaryDB01.isMaster()
{
"setName" : "testReplSet",
"ismaster" : true,
"secondary" : false,
"hosts" : [
"nd0302012029:31002",
"nd0302012029:31001",
"nd0302012029:31000"
],
"primary" : "nd0302012029:31002",
"me" : "nd0302012029:31002",
"maxBsonObjectSize" : 16777216,
"maxMessageSizeBytes" : 48000000,
"localTime" : ISODate("2013-07-28T04:37:20.681Z"),
"ok" : 1
}# ./mongo --port 31002
MongoDB shell version: 2.4.5
connecting to: 127.0.0.1:31002/test
testReplSet:PRIMARY> rs.status()
{
"set" : "testReplSet",
"date" : ISODate("2013-07-28T04:47:55Z"),
"myState" : 1,
"members" : [
{
"_id" : 0,
"name" : "nd0302012029:31000",
"health" : 0,
"state" : 8,
"stateStr" : "(not reachable/healthy)",
"uptime" : 0,
"optime" : Timestamp(1374985481, 1000),
"optimeDate" : ISODate("2013-07-28T04:24:41Z"),
"lastHeartbeat" : ISODate("2013-07-28T04:47:53Z"),
"lastHeartbeatRecv" : ISODate("2013-07-28T04:31:55Z"),
"pingMs" : 0
},
{
"_id" : 1,
"name" : "nd0302012029:31001",
"health" : 1,
"state" : 2,
"stateStr" : "SECONDARY",
"uptime" : 2360,
"optime" : Timestamp(1374985481, 1000),
"optimeDate" : ISODate("2013-07-28T04:24:41Z"),
"lastHeartbeat" : ISODate("2013-07-28T04:47:54Z"),
"lastHeartbeatRecv" : ISODate("2013-07-28T04:47:54Z"),
"pingMs" : 0,
"syncingTo" : "nd0302012029:31002"
},
{
"_id" : 2,
"name" : "nd0302012029:31002",
"health" : 1,
"state" : 1,
"stateStr" : "PRIMARY",
"uptime" : 2392,
"optime" : Timestamp(1374985481, 1000),
"optimeDate" : ISODate("2013-07-28T04:24:41Z"),
"self" : true
}
],
"ok" : 1
}> replicaSet.stopSet()