在CentOS上配置MongoDB性能优化涉及多个步骤,包括安装、配置、索引优化、查询优化、资源优化和监控调优等。以下是详细的步骤和建议:
sudo yum install epel-release
sudo yum install mongodb-org
sudo systemctl start mongod
sudo systemctl enable mongod
sudo systemctl status mongod
security:
authorization: enabled
sudo vi /etc/security/limits.conf
# 加入如下内容
mongod soft nofiles 64000
mongod soft nproc 64000
use admin
db.createUser({
user: "admin",
pwd: "your_password",
roles: [ { role: "userAdminAnyDatabase", db: "admin" }, { role: "readWriteAnyDatabase", db: "admin" } ]
})
storage:
wiredTiger:
engineConfig:
cacheSizeGB: <value>
replication:
oplogSizeMB: <value>
systemLog:
destination: file
logAppend: true
path: /var/log/mongodb/mongod.log
logRotate: reindex
replication:
journal:
commitIntervalMs: <value>
syncPeriodSecs: <value>
operationProfiling:
mode: slowOp
sudo sysctl -w fs.file-max=100000
sudo sysctl -w net.ipv4.tcp_tw_reuse=1
echo never | sudo tee /proc/sys/vm/dirty_background_ratio
echo 100 | sudo tee /proc/sys/vm/dirty_ratio
mongostat
和mongotop
定期检查系统性能指标。通过上述步骤和建议,您可以在CentOS系统中显著提高MongoDB的性能。请注意,性能调优是一个持续的过程,需要根据实际情况进行调整和优化。在进行任何更改之前,建议先备份数据并评估潜在的风险和影响。