image-accelerator serves as a container image acceleration add-on of the Volcengine Kubernetes Engine (VKE) cluster. It uses nydus to achieve image lazy loading and accelerate image pulling during pod creation. This topic describes the common query metrics of image-accelerator. To view all metrics, go to VKE monitoring metrics.

Volcengine Managed Service for Prometheus (VMP) classifies the metrics reported by VKE clusters into the following types: basic metrics, other metrics, and custom metrics. Billing methods vary based on different metric types. For more details, see Billing items.

Basic metrics

Metric name

Metric type

Metric name	Metric type
nydusd_hung_io_counts	Basic metric
nydusd_cumulative_read_block_bytes_sum	Basic metric
nydusd_cumulative_read_block_bytes_count	Basic metric
nydusd_cumulative_read_block_bytes_bucket	Basic metric
nydusd_read_errors	Basic metric
snapshotter_thread_counts	Basic metric
snapshotter_fd_counts	Basic metric
snapshotter_cpu_user_time_seconds	Basic metric
snapshotter_cpu_system_time_seconds	Basic metric
snapshotter_memory_usage_kilobytes	Basic metric
snapshotter_cpu_usage_percentage	Basic metric
snapshotter_snapshot_operation_elapsed_milliseconds_sum	Basic metric
snapshotter_snapshot_operation_elapsed_milliseconds_count	Basic metric
snapshotter_snapshot_operation_elapsed_milliseconds_bucket	Basic metric
nydusd_rss_kilobytes	Basic metric
nydusd_counts	Basic metric

Other metrics

Metric name

Metric type

Metric name	Metric type
nydusd_read_latency_microseconds_sum	Other metrics
nydusd_read_latency_microseconds_count	Other metrics
nydusd_read_latency_microseconds_bucket	Other metrics
nydusd_read_hits	Other metrics
nydusd_total_read_bytes	Other metrics
snapshotter_run_time_seconds	Other metrics
snapshotter_cache_usage_kilobytes	Other metrics
nydusd_lifetime_event_counts	Other metrics

Last updated: 2026.08.06 10:42:49

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