MongoDB

MongoDB

Introduction

...

Deploy By Binary

Quick Start

# dependencies
apt install python3-pip
apt install python-dev-is-python3 libssl-dev
apt install build-essential

# download source
git clone -b r6.0.1 https://github.com/mongodb/mongo.git
cd mongo

# compile 
python3 -m pip install -r etc/pip/compile-requirements.txt
python3 buildscripts/scons.py DESTDIR=/opt/mongo install-all

# postinstallation
# groupadd mongodb
# useradd -r -g mongodb -s /bin/false mongodb
mkdir /opt/mongodb/data /opt/mongodb/logs
# chown mongodb:mongodb /opt/mongodb -R

# startup 
/opt/mongodb/bin/mongod --dbpath /opt/mongodb --logpath /opt/mongodb/logs/mongod.log --fork #--config /opt/mongodb/mongod.conf --bind_ip 0.0.0.0

Config and Boot

[[sc-mongodb|MongoDB Config]]

# boot 
cat > /etc/systemd/system/mongod.service << "EOF"
[Unit]
Description=MongoDB Database Server
Documentation=https://docs.mongodb.org/manual
After=network-online.target
Wants=network-online.target

[Service]
User=mongodb
Group=mongodb
EnvironmentFile=-/etc/default/mongod
Environment="MONGODB_CONFIG_OVERRIDE_NOFORK=1"
ExecStart=/usr/bin/mongod --config /etc/mongod.conf
RuntimeDirectory=mongodb
# file size
LimitFSIZE=infinity
# cpu time
LimitCPU=infinity
# virtual memory size
LimitAS=infinity
# open files
LimitNOFILE=64000
# processes/threads
LimitNPROC=64000
# locked memory
LimitMEMLOCK=infinity
# total threads (user+kernel)
TasksMax=infinity
TasksAccounting=false

[Install]
WantedBy=multi-user.target
EOF

systemctl daemon-reload
systemctl start mongod.service
systemctl enable mongod.service

Verify

# syntax check

Troubleshooting

# problem 1
# Cannot find system library 'lzma' required for use with libunwind
apt install liblzma-dev

# problem 2
# Checking for curl_global_init(0) in C library curl... no
# Could not find <curl/curl.h> and curl lib
apt install libcurl4-openssl-dev

Deploy By Container

Run On Docker

# WARNING: MongoDB 5.0+ requires a CPU with AVX support, and your current system does not appear to have that!
cat /proc/cpuinfo |grep flags |grep avx
docker pull mongo:4.4.23

# pull image
docker pull mongodb/mongodb-community-server

# run
docker run --name mongo -d mongodb/mongodb-community-server:latest

# test
docker exec -it mongo mongosh

Run On Kubernetes

# add and update repo
helm repo add bitnami https://charts.bitnami.com/bitnami
helm update

# get charts package
helm pull bitnami/mongodb --untar
cd mongodb

# configure and run
vim values.yaml
...
helm -n middleware install mongodb .

Reference:

1. Official Website

2. Repository

3. apt 安装方式