mongodb 3.2 鍒嗙墖閮ㄧ讲姝ラ

Posted 2020-08-13

鏍囩锛?/p>

#linux 缃戠粶浼樺寲1. 鏂囦欢涓?etc/sysctl.conf, 鍔犲叆
net.core.somaxconn = 2048
fs.file-max = 2000000
fs.nr_open = 2000000
net.ipv4.ip_local_port_range = 1024 65535

• hard nofile 1000000
• soft nofile 1000000

2. 鏂囦欢/etc/security/limits.conf涓姞鍏?

• hard nproc 1000000
• hard nproc 1000000

  3. mongo閮ㄥ垎鐨勪紭鍖?br />echo never >/sys/kernel/mm/transparent_hugepage/enabled
  echo never > /sys/kernel/mm/transparent_hugepage/defrag

 

1. disable senux
   /etc/selinux/config
   SELINUX=disabled

1. 闃茬伀澧欓儴鍒? 鏆傛椂鍋滄firewalld
   firewall锛?br />systemctl start firewalld.service #鍚姩firewall
   systemctl stop firewalld.service #鍋滄firewall
   systemctl disable firewalld.service #绂佹firewall寮€鏈哄惎鍔?/li>

1. mongodb 瀹夎
   濡傛灉鏄В鍘嬪畨瑁? 榛樿鏀惧埌 /tools
   1. 瑙ｅ帇鍒?br />/root/tools/mongodb
   cd /
   ln -s /root/tools

   2. 鍔犲叆PATH
   vim /etc/profile
   export PATH=$PATH:/tools/mongodb/bin

   瀵逛簬rpm鍖? 杩愯涓嬮潰鍛戒护
   rpm -ivh *.rpm

1. 閰嶇疆mongodb
   mkdir /data/mongodb
   cd /data/mongodb
   mkdir db log

   甯歌閰嶇疆鏂囦欢, 骞跺惎鍔?br />mongod --config configdb.conf

=====================================
https://docs.mongodb.org/manual/tutorial/deploy-shard-cluster/

1. 閰嶇疆璇存槑 
   234鏈哄櫒涓?
   shard0 192.168.1.234:27018
   shard1 192.168.1.234:27019 
   configsrv 192.168.1.234:30001

1. 閰嶇疆 configserver
   1. 鏂囦欢閰嶇疆鐨勪緥瀛?br />sharding:
   clusterRole: configsvr
   replication:
   replSetName: configReplSet
   net:
   port: <port>
   storage:
   dbpath: <path>

   2. 鍚姩
   mongod --config configsrv1.conf
   闈炴枃浠舵柟寮?br />mongod --configsvr --replSet configReplSet --port <port> --dbpath <path>

1. 鍒濆鍖朿onfigserver, 杩欓噷閰嶇疆涓や釜 configure
   1. 杩涘叆mongo shell
   mongo 192.168.1.234:30001
   rs.initiate( {
   _id: "configReplSet",
   configsvr: true,
   members: [ { _id: 0, host: "192.168.1.55:30001" }, { _id: 1, host: "192.168.1.234:30001" }
   ]
   } )

   2. 鏌ョ湅鐘舵€?br />rs.status()

2. start mongos
   //mongos --configdb configReplSet/192.168.1.55:30001,192.168.1.234:30001 --port 37017&
   mongos --configdb configRS/192.168.1.234:30001 --port 37017 --logappend --logpath /data/mongodb/log/route.log&

1. connect to mongos
   mongo --host 192.168.1.234 --port 37017

1. add sharding
   1. 寤虹珛瀹炰緥
   mkdir db2 db3
   淇敼瀵瑰簲鐨勯厤缃枃浠?br />Note锛?杩欎釜鍦版柟闇€瑕佽缃渶澶у唴瀛?br />ulimit -v 10000000 淇敼鏈€澶ц櫄鎷熷湴鍧€绌洪棿涓?0G 
   --wiredTigerCacheSizeGB 5

   2. 鍔犲叆鍒嗙墖
   // sh.addShard( "rs1/192.168.1.234:27018" ) // add a shard for a replica set named rs1 
   sh.addShard( "192.168.1.234:27018" )
   sh.addShard( "192.168.1.234:27019" )

   3. 婵€娲诲垎鐗?br />sh.enableSharding("<database>") // db.runCommand( { enableSharding: <database> } )
   sh.enableSharding("mydb")

   4. 鏌ョ湅鐘舵€?br />sh.status()

#########################
鎻掑叆鍓嶇殑鍑嗗
sh.enableSharding("<database>") // db.runCommand( { enableSharding: <database> } )
sh.enableSharding("gwgps")

db.location.ensureIndex({"hostid":1})
db.location.ensureIndex({"posTime":1})

sh.shardCollection("gwgps.location", { "hostid": 1})