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fix(obs): isolate process sampler windows (#4492)

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* fix(obs): isolate process sampler windows

Refs rustfs/backlog#1004
Refs rustfs/backlog#986

- add a reusable ProcessSampler so callers can own independent sysinfo refresh windows
- wire separate sampler instances for obs metrics scheduling and memory observability
- keep compatibility helpers while avoiding cross-task CPU and disk delta interference

Co-Authored-By: heihutu <heihutu@gmail.com>

* fix(obs): import process sampler bundle helper

Refs rustfs/backlog#1004
Refs rustfs/backlog#986

- import collect_process_metric_bundle_with in the metrics scheduler
- drop the stale collect_process_metric_bundle import after switching scheduler sampling to independent process samplers

Co-Authored-By: heihutu <heihutu@gmail.com>

* fix(obs): move process sampler into blocking task

Refs rustfs/backlog#1004
Refs rustfs/backlog#986

- move the memory observability process sampler into the spawn_blocking closure
- satisfy the closure static lifetime required by tokio while keeping the isolated sampler design intact

Co-Authored-By: heihutu <heihutu@gmail.com>

---------

Co-authored-by: heihutu <heihutu@gmail.com>
This commit is contained in:
houseme
2026-07-08 23:51:34 +08:00
committed by GitHub
parent 6bdfdd164a
commit 6cb47049e8
7 changed files with 98 additions and 27 deletions
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crates/io-metrics/src/sampler/mod.rs
+2 -2
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@@ -16,7 +16,7 @@ pub mod process;
pub mod system;
pub use process::{
ProcessResourceSnapshot, ProcessStatusSnapshot, ProcessSystemSnapshot, snapshot_process_resource,
snapshot_process_resource_and_system, snapshot_process_system,
ProcessResourceSnapshot, ProcessSampler, ProcessStatusSnapshot, ProcessSystemSnapshot, snapshot_process_resource,
snapshot_process_resource_and_system, snapshot_process_resource_and_system_with, snapshot_process_system,
};
pub use system::snapshot_process_platform;