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Add mem used and remove mem available from backend metrics #548

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merged 2 commits into from
Jan 12, 2024
Merged

Add mem used and remove mem available from backend metrics #548

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97a6dd0
Remove mem_available from backend metrics
Jan 11, 2024
afcc816
Add mem_used field to BackendMetricsMessage to mirror docker stats
Jan 11, 2024
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6 changes: 4 additions & 2 deletions plane/src/protocol.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -95,16 +95,18 @@ pub struct Heartbeat {
#[derive(Serialize, Deserialize, Debug, Clone)]
pub struct BackendMetricsMessage {
pub backend_id: BackendName,
/// Memory used by backend excluding inactive file cache, same as use shown by docker stats
/// ref: https://github.com/docker/cli/blob/master/cli/command/container/stats_helpers.go#L227C45-L227C45
pub mem_used: u64,
/// Memory used by backend in bytes
/// (calculated using kernel memory used by cgroup + page cache memory used by cgroup)
pub mem_total: u64,
/// Active memory ( non reclaimable )
pub mem_active: u64,
/// Inactive memory ( reclaimable )
pub mem_inactive: u64,
/// unevictable memory (mlock etc)
pub mem_unevictable: u64,
/// Total available memory for backend in bytes
pub mem_available: u64,
/// nanoseconds of CPU used by backend since last message
pub cpu_used: u64,
/// Total CPU nanoseconds for system since last message
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