CN-JS-HuiBai/PromdataPanel
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优化数据库查询

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CN-JS-HuiBai
2026-04-04 18:21:31 +08:00
parent 65eae5574f
commit b949944fc5
2 changed files with 99 additions and 10 deletions
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24
server/prometheus-service.js
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@@ -152,25 +152,25 @@ async function getOverviewMetrics(url, sourceName) {
upResult
] = await Promise.all([
// CPU usage per instance: 1 - avg idle
query(url, '100 - (avg by (instance) (rate(node_cpu_seconds_total{mode="idle"}[5m])) * 100)').catch(() => []),
query(url, '100 - (avg by (instance, job) (rate(node_cpu_seconds_total{mode="idle"}[5m])) * 100)').catch(() => []),
// CPU count per instance
query(url, 'count by (instance) (node_cpu_seconds_total{mode="idle"})').catch(() => []),
query(url, 'count by (instance, job) (node_cpu_seconds_total{mode="idle"})').catch(() => []),
// Memory total per instance
query(url, 'node_memory_MemTotal_bytes').catch(() => []),
// Memory available per instance
query(url, 'node_memory_MemAvailable_bytes').catch(() => []),
// Disk total per instance (root filesystem)
query(url, 'sum by (instance) (node_filesystem_size_bytes{mountpoint="/",fstype!="tmpfs"})').catch(() => []),
query(url, 'sum by (instance, job) (node_filesystem_size_bytes{mountpoint="/",fstype!="tmpfs"})').catch(() => []),
// Disk free per instance (root filesystem)
query(url, 'sum by (instance) (node_filesystem_free_bytes{mountpoint="/",fstype!="tmpfs"})').catch(() => []),
query(url, 'sum by (instance, job) (node_filesystem_free_bytes{mountpoint="/",fstype!="tmpfs"})').catch(() => []),
// Network receive rate (bytes/sec)
query(url, 'sum by (instance) (rate(node_network_receive_bytes_total{device!~"lo|veth.*|docker.*|br-.*"}[5m]))').catch(() => []),
query(url, 'sum by (instance, job) (rate(node_network_receive_bytes_total{device!~"lo|veth.*|docker.*|br-.*"}[5m]))').catch(() => []),
// Network transmit rate (bytes/sec)
query(url, 'sum by (instance) (rate(node_network_transmit_bytes_total{device!~"lo|veth.*|docker.*|br-.*"}[5m]))').catch(() => []),
query(url, 'sum by (instance, job) (rate(node_network_transmit_bytes_total{device!~"lo|veth.*|docker.*|br-.*"}[5m]))').catch(() => []),
// Total traffic received in last 24h
query(url, 'sum by (instance) (increase(node_network_receive_bytes_total{device!~"lo|veth.*|docker.*|br-.*"}[24h]))').catch(() => []),
query(url, 'sum by (instance, job) (increase(node_network_receive_bytes_total{device!~"lo|veth.*|docker.*|br-.*"}[24h]))').catch(() => []),
// Total traffic transmitted in last 24h
query(url, 'sum by (instance) (increase(node_network_transmit_bytes_total{device!~"lo|veth.*|docker.*|br-.*"}[24h]))').catch(() => []),
query(url, 'sum by (instance, job) (increase(node_network_transmit_bytes_total{device!~"lo|veth.*|docker.*|br-.*"}[24h]))').catch(() => []),
// Up instances
query(url, 'up{job=~".*node.*|.*exporter.*"}').catch(() => [])
]);
@@ -180,7 +180,6 @@ async function getOverviewMetrics(url, sourceName) {
const getOrCreate = (metric) => {
const key = metric.instance;
if (!instances.has(key)) {
instances.set(key, {
instance: key,
@@ -197,7 +196,12 @@ async function getOverviewMetrics(url, sourceName) {
up: false
});
}
return instances.get(key);
const inst = instances.get(key);
// If job was Unknown but we now have a job name, update it
if (inst.job === 'Unknown' && metric.job) {
inst.job = metric.job;
}
return inst;
};
// Parse UP status