MetricsCollector

codex_memory::monitoring::metrics

Struct MetricsCollector 

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pub struct MetricsCollector {
Show 26 fields
    pub requests_total: IntCounter,
    pub requests_duration_seconds: Histogram,
    pub requests_in_flight: IntGauge,
    pub memories_by_tier: IntGauge,
    pub memory_migrations_total: IntCounter,
    pub memory_creation_total: IntCounter,
    pub memory_deletion_total: IntCounter,
    pub db_connections_active: IntGauge,
    pub db_connections_max: IntGauge,
    pub db_query_duration_seconds: Histogram,
    pub db_query_errors_total: IntCounter,
    pub search_requests_total: IntCounter,
    pub search_duration_seconds: Histogram,
    pub search_results_count: Histogram,
    pub search_cache_hits_total: IntCounter,
    pub search_cache_misses_total: IntCounter,
    pub memory_usage_bytes: Gauge,
    pub cpu_usage_percent: Gauge,
    pub uptime_seconds: IntCounter,
    pub error_rate_percent: Gauge,
    pub migration_duration_seconds: Histogram,
    pub migration_failures_total: IntCounter,
    pub migration_queue_size: IntGauge,
    pub response_time_p95: Gauge,
    pub response_time_p99: Gauge,
    pub memory_pressure_ratio: Gauge,
    /* private fields */

}
Expand description

Prometheus metrics collector for the memory system

Fields§

§requests_total: IntCounter§requests_duration_seconds: Histogram§requests_in_flight: IntGauge§memories_by_tier: IntGauge§memory_migrations_total: IntCounter§memory_creation_total: IntCounter§memory_deletion_total: IntCounter§db_connections_active: IntGauge§db_connections_max: IntGauge§db_query_duration_seconds: Histogram§db_query_errors_total: IntCounter§search_requests_total: IntCounter§search_duration_seconds: Histogram§search_results_count: Histogram§search_cache_hits_total: IntCounter§search_cache_misses_total: IntCounter§memory_usage_bytes: Gauge§cpu_usage_percent: Gauge§uptime_seconds: IntCounter§error_rate_percent: Gauge§migration_duration_seconds: Histogram§migration_failures_total: IntCounter§migration_queue_size: IntGauge§response_time_p95: Gauge§response_time_p99: Gauge§memory_pressure_ratio: Gauge

Implementations§

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impl MetricsCollector

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pub fn new() -> Result<Self>

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pub fn registry(&self) -> Arc<Registry>

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pub fn record_request(&self, start_time: Instant)

Record a request with timing

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pub fn record_db_query(&self, start_time: Instant, success: bool)

Record a database query with timing

Record a search operation

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pub fn record_migration( &self, start_time: Instant, success: bool, _memory_id: Uuid, from_tier: &str, to_tier: &str, )

Record a memory migration

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pub fn update_system_metrics(&self, memory_bytes: u64, cpu_percent: f64)

Update system resource metrics

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pub fn update_connection_pool_metrics(&self, active: u32, max: u32)

Update database connection pool metrics

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pub fn update_tier_metrics(&self, working: u64, warm: u64, cold: u64)

Update memory tier distribution

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pub fn update_derived_metrics(&self)

Calculate and update derived metrics

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pub fn gather_metrics(&self) -> String

Get metrics in Prometheus format

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