# 下载集群版
# wget https://github.com/VictoriaMetrics/VictoriaMetrics/releases/download/v1.93.0/victoria-metrics-cluster-linux-amd64-v1.93.0.tar.gz
# tar -xzf victoria-metrics-cluster-linux-amd64-v1.93.0.tar.gz

# 部署vmstorage节点
# vi /etc/systemd/system/vmstorage.service

[Unit]
Description=vmstorage
After=network-online.target

[Service]
User=victoria
Group=victoria
Type=simple
ExecStart=/usr/local/bin/vmstorage-prod \
-storageDataPath=/data/vmstorage \
-retentionPeriod=30d \
-httpListenAddr=:8482 \
-vminsertAddr=:8400 \
-vmselectAddr=:8401
Restart=on-failure

[Install]
WantedBy=multi-user.target

# 部署vminsert节点
# vi /etc/systemd/system/vminsert.service

[Unit]
Description=vminsert
After=network-online.target

[Service]
User=victoria
Group=victoria
Type=simple
ExecStart=/usr/local/bin/vminsert-prod \
-httpListenAddr=:8480 \
-storageNode=192.168.1.51:8400,192.168.1.52:8400
Restart=on-failure

[Install]
WantedBy=multi-user.target

# 部署vmselect节点
# vi /etc/systemd/system/vmselect.service

[Unit]
Description=vmselect
After=network-online.target

[Service]
User=victoria
Group=victoria
Type=simple
ExecStart=/usr/local/bin/vmselect-prod \
-httpListenAddr=:8481 \
-storageNode=192.168.1.51:8401,192.168.1.52:8401
Restart=on-failure

[Install]
WantedBy=multi-user.target

# 启动服务
# systemctl daemon-reload
# systemctl start vmstorage vminsert vmselect
# systemctl enable vmstorage vminsert vmselect

# HELP vm_app_version VictoriaMetrics version info
# TYPE vm_app_version gauge
vm_app_version{version=”v1.93.0″} 1

# HELP vm_cache_entries Number of entries in cache
# TYPE vm_cache_entries gauge
vm_cache_entries{type=”storage/index”} 100000

# HELP vm_concurrent_insert_capacity The maximum number of concurrent inserts
# TYPE vm_concurrent_insert_capacity gauge
vm_concurrent_insert_capacity 100

# 查看写入速率
$ curl -s ‘http://localhost:8428/api/v1/query?query=rate(vm_rows_inserted_total[5m])’ | jq

# 查看压缩统计
$ curl -s ‘http://localhost:8428/api/v1/query?query=vm_compression_level’ | jq

# 查看内存使用
$ curl -s ‘http://localhost:8428/api/v1/query?query=process_resident_memory_bytes’ | jq

# 查看存储大小
$ curl -s ‘http://localhost:8428/api/v1/status/storage’ | jq
{
“data”: {
“totalDataSize”: 1073741824,
“totalIndexSize”: 104857600,
“rowsCount”: 10000000,
“blocksCount”: 100000
}
}

# 方案1：多副本写入
# 配置vmagent同时写入多个VictoriaMetrics实例
# vi /etc/victoria-metrics/vmagent.yml

remote_write:
– url: http://vm1:8428/api/v1/write
– url: http://vm2:8428/api/v1/write

# 方案2：集群模式
# 部署多个vmstorage节点
# vminsert和vmselect自动负载均衡

# 方案3：使用vmalert告警
# 下载vmalert
# cp vmalert-prod /usr/local/bin/

# 配置vmalert
# vi /etc/systemd/system/vmalert.service

[Unit]
Description=vmalert
After=network-online.target

[Service]
User=victoria
Group=victoria
Type=simple
ExecStart=/usr/local/bin/vmalert-prod \
-rule=/etc/victoria-metrics/alerts/*.yml \
-datasource.url=http://localhost:8428 \
-notifier.url=http://localhost:9093 \
-httpListenAddr=:8880
Restart=on-failure

[Install]
WantedBy=multi-user.target

# 创建告警规则
# vi /etc/victoria-metrics/alerts/node.yml

groups:
– name: node_alerts
rules:
– alert: HighCPUUsage
expr: 100 – (avg by(instance) (rate(node_cpu_seconds_total{mode=”idle”}[5m])) * 100) > 80
for: 5m
labels:
severity: warning
annotations:
summary: “High CPU usage on {{ $labels.instance }}”

# 启动vmalert
# systemctl start vmalert
# systemctl enable vmalert