Struct PartitionStats 

pub struct PartitionStats {
    pub partition_id: u32,
    pub event_count: u64,
    pub total_latency_ns: u64,
    pub write_count: u64,
    pub min_latency_ns: u64,
    pub max_latency_ns: u64,
    pub error_count: u64,
}

Per-partition statistics for detecting hot partitions and skew

SierraDB uses 32 fixed partitions for single-node, 1024+ for clusters. This struct tracks metrics per partition to detect imbalances.

Fields

partition_id: u32

Partition ID (0 to partition_count-1)

event_count: u64

Total events written to this partition

total_latency_ns: u64

Total write latency sum (nanoseconds) for calculating average

write_count: u64

Number of writes for calculating average latency

min_latency_ns: u64

Minimum write latency (nanoseconds)

max_latency_ns: u64

Maximum write latency (nanoseconds)

error_count: u64

Total error count for this partition

Implementations

impl PartitionStats

pub fn avg_latency(&self) -> Option<Duration>

Calculate average write latency

Trait Implementations

impl Debug for PartitionStats

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.