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fix(obs): label node-local metrics by server (#5465)

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Add stable server labels to node-local Prometheus metrics and OTLP resource attributes so dashboards can distinguish per-node CPU, memory, host network, and internode traffic series.

Co-authored-by: heihutu <heihutu@gmail.com>
This commit is contained in:
houseme
2026-07-30 12:57:22 +08:00
committed by GitHub
parent ad7663afd1
commit 30dc04c94b
21 changed files with 640 additions and 164 deletions
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crates/obs/src/metrics/schema/system_memory.rs
+44 -13
View File
@@ -14,43 +14,74 @@
#![allow(dead_code)]
use crate::node_identity::SERVER_LABEL;
use crate::{MetricDescriptor, MetricName, new_gauge_md, subsystems};
use std::sync::LazyLock;
/// Total memory available on the node
pub static MEM_TOTAL_MD: LazyLock<MetricDescriptor> =
LazyLock::new(|| new_gauge_md(MetricName::MemTotal, "Total memory on the node", &[], subsystems::SYSTEM_MEMORY));
pub static MEM_TOTAL_MD: LazyLock<MetricDescriptor> = LazyLock::new(|| {
new_gauge_md(
MetricName::MemTotal,
"Total memory on the node",
&[SERVER_LABEL],
subsystems::SYSTEM_MEMORY,
)
});
/// Memory currently in use on the node
pub static MEM_USED_MD: LazyLock<MetricDescriptor> =
LazyLock::new(|| new_gauge_md(MetricName::MemUsed, "Used memory on the node", &[], subsystems::SYSTEM_MEMORY));
LazyLock::new(|| new_gauge_md(MetricName::MemUsed, "Used memory on the node", &[SERVER_LABEL], subsystems::SYSTEM_MEMORY));
/// Percentage of total memory currently in use
pub static MEM_USED_PERC_MD: LazyLock<MetricDescriptor> = LazyLock::new(|| {
new_gauge_md(
MetricName::MemUsedPerc,
"Used memory percentage on the node",
&[],
&[SERVER_LABEL],
subsystems::SYSTEM_MEMORY,
)
});
/// Memory not currently in use and available for allocation
pub static MEM_FREE_MD: LazyLock<MetricDescriptor> =
LazyLock::new(|| new_gauge_md(MetricName::MemFree, "Free memory on the node", &[], subsystems::SYSTEM_MEMORY));
LazyLock::new(|| new_gauge_md(MetricName::MemFree, "Free memory on the node", &[SERVER_LABEL], subsystems::SYSTEM_MEMORY));
/// Memory used for file buffers by the kernel
pub static MEM_BUFFERS_MD: LazyLock<MetricDescriptor> =
LazyLock::new(|| new_gauge_md(MetricName::MemBuffers, "Buffers memory on the node", &[], subsystems::SYSTEM_MEMORY));
pub static MEM_BUFFERS_MD: LazyLock<MetricDescriptor> = LazyLock::new(|| {
new_gauge_md(
MetricName::MemBuffers,
"Buffers memory on the node",
&[SERVER_LABEL],
subsystems::SYSTEM_MEMORY,
)
});
/// Memory used for caching file data by the kernel
pub static MEM_CACHE_MD: LazyLock<MetricDescriptor> =
LazyLock::new(|| new_gauge_md(MetricName::MemCache, "Cache memory on the node", &[], subsystems::SYSTEM_MEMORY));
pub static MEM_CACHE_MD: LazyLock<MetricDescriptor> = LazyLock::new(|| {
new_gauge_md(
MetricName::MemCache,
"Cache memory on the node",
&[SERVER_LABEL],
subsystems::SYSTEM_MEMORY,
)
});
/// Memory shared between multiple processes
pub static MEM_SHARED_MD: LazyLock<MetricDescriptor> =
LazyLock::new(|| new_gauge_md(MetricName::MemShared, "Shared memory on the node", &[], subsystems::SYSTEM_MEMORY));
pub static MEM_SHARED_MD: LazyLock<MetricDescriptor> = LazyLock::new(|| {
new_gauge_md(
MetricName::MemShared,
"Shared memory on the node",
&[SERVER_LABEL],
subsystems::SYSTEM_MEMORY,
)
});
/// Estimate of memory available for new applications without swapping
pub static MEM_AVAILABLE_MD: LazyLock<MetricDescriptor> =
LazyLock::new(|| new_gauge_md(MetricName::MemAvailable, "Available memory on the node", &[], subsystems::SYSTEM_MEMORY));
pub static MEM_AVAILABLE_MD: LazyLock<MetricDescriptor> = LazyLock::new(|| {
new_gauge_md(
MetricName::MemAvailable,
"Available memory on the node",
&[SERVER_LABEL],
subsystems::SYSTEM_MEMORY,
)
});