MongoDB 内存占用过大

不同的版本配置项可能不同：本文使用的 mongodb-win32-x86_64-2012plus-4.2.11-signed.msi

mongod.cfg  默认占用内存为 0.5*（物理内存-1）如内存8G =>  0.5*（8-1）=> 3.5G

# mongod.conf

# for documentation of all options, see:
#   http://docs.mongodb.org/manual/reference/configuration-options/

# Where and how to store data.
storage:
  dbPath: D:\Program Files\MongoDB\Server\4.2\data
  journal:
    enabled: true
#  engine: wiredTiger
#  mmapv1:
  wiredTiger:
    engineConfig:
      cacheSizeGB: 1

# where to write logging data.
systemLog:
  destination: file
  logAppend: true
  path:  D:\Program Files\MongoDB\Server\4.2\log\mongod.log

# network interfaces
net:
  port: 27017
#  bindIp: 127.0.0.1
  bindIp: 172.16.3.40

#processManagement:

#security:

#operationProfiling:

#replication:

#sharding:

## Enterprise-Only Options:

#auditLog:

#snmp: