PromQL 表达式参考

本文档中的 PromQL 表达式可用于配置告警。

关于查询 Prometheus 时间序列数据库的更多信息，请参阅官方Prometheus 文档。

集群指标

集群 CPU 利用率

目录	表达式
详细信息	1 - (avg(irate(node_cpu_seconds_total{mode="idle"}[5m])) by (instance))
摘要	1 - (avg(irate(node_cpu_seconds_total{mode="idle"}[5m])))

集群平均负载

目录	表达式
详细信息	load1 sum(node_load1) by (instance) / count(node_cpu_seconds_total{mode="system"}) by (instance) load5 sum(node_load5) by (instance) / count(node_cpu_seconds_total{mode="system"}) by (instance) load15 sum(node_load15) by (instance) / count(node_cpu_seconds_total{mode="system"}) by (instance)
摘要	load1 sum(node_load1) by (instance) / count(node_cpu_seconds_total{mode="system"}) load5 sum(node_load5) by (instance) / count(node_cpu_seconds_total{mode="system"}) load15 sum(node_load15) by (instance) / count(node_cpu_seconds_total{mode="system"})

集群内存利用率

目录	表达式
详细信息	1 - sum(node_memory_MemAvailable_bytes) by (instance) / sum(node_memory_MemTotal_bytes) by (instance)
摘要	1 - sum(node_memory_MemAvailable_bytes) / sum(node_memory_MemTotal_bytes)

集群磁盘利用率

目录	表达式
详细信息	(sum(node_filesystem_size_bytes{device!="rootfs"}) by (instance) - sum(node_filesystem_free_bytes{device!="rootfs"}) by (instance)) / sum(node_filesystem_size_bytes{device!="rootfs"}) by (instance)
摘要	(sum(node_filesystem_size_bytes{device!="rootfs"}) - sum(node_filesystem_free_bytes{device!="rootfs"})) / sum(node_filesystem_size_bytes{device!="rootfs"})

集群磁盘 I/O

目录	表达式
详细信息	read sum(rate(node_disk_read_bytes_total[5m])) by (instance) written sum(rate(node_disk_written_bytes_total[5m])) by (instance)
摘要	read sum(rate(node_disk_read_bytes_total[5m])) written sum(rate(node_disk_written_bytes_total[5m]))

集群网络数据包

请参阅英文官网

集群网络 I/O

请参阅英文官网

节点指标

节点 CPU 利用率

目录	表达式
详细信息	avg(irate(node_cpu_seconds_total{mode!="idle", instance=~"$instance"}[5m])) by (mode)
摘要	1 - (avg(irate(node_cpu_seconds_total{mode="idle", instance=~"$instance"}[5m])))

节点平均负载

目录	表达式
详细信息	load1 sum(node_load1{instance=~"$instance"}) / count(node_cpu_seconds_total{mode="system",instance=~"$instance"}) load5 sum(node_load5{instance=~"$instance"}) / count(node_cpu_seconds_total{mode="system",instance=~"$instance"}) load15 sum(node_load15{instance=~"$instance"}) / count(node_cpu_seconds_total{mode="system",instance=~"$instance"})
摘要	load1 sum(node_load1{instance=~"$instance"}) / count(node_cpu_seconds_total{mode="system",instance=~"$instance"}) load5 sum(node_load5{instance=~"$instance"}) / count(node_cpu_seconds_total{mode="system",instance=~"$instance"}) load15 sum(node_load15{instance=~"$instance"}) / count(node_cpu_seconds_total{mode="system",instance=~"$instance"})

节点内存利用率

目录	表达式
详细信息	1 - sum(node_memory_MemAvailable_bytes{instance=~"$instance"}) / sum(node_memory_MemTotal_bytes{instance=~"$instance"})
摘要	1 - sum(node_memory_MemAvailable_bytes{instance=~"$instance"}) / sum(node_memory_MemTotal_bytes{instance=~"$instance"})

节点磁盘利用率

目录	表达式
详细信息	(sum(node_filesystem_size_bytes{device!="rootfs",instance=~"$instance"}) by (device) - sum(node_filesystem_free_bytes{device!="rootfs",instance=~"$instance"}) by (device)) / sum(node_filesystem_size_bytes{device!="rootfs",instance=~"$instance"}) by (device)
摘要	(sum(node_filesystem_size_bytes{device!="rootfs",instance=~"$instance"}) - sum(node_filesystem_free_bytes{device!="rootfs",instance=~"$instance"})) / sum(node_filesystem_size_bytes{device!="rootfs",instance=~"$instance"})

节点磁盘 I/O

目录	表达式
详细信息	read sum(rate(node_disk_read_bytes_total{instance=~"$instance"}[5m])) written sum(rate(node_disk_written_bytes_total{instance=~"$instance"}[5m]))
摘要	read sum(rate(node_disk_read_bytes_total{instance=~"$instance"}[5m])) written sum(rate(node_disk_written_bytes_total{instance=~"$instance"}[5m]))

节点网络数据包

请参阅英文官网

节点网络 I/O

请参阅英文官网

Etcd 指标

Etcd Leader

max(etcd_server_has_leader)

Leader 改变次数

max(etcd_server_leader_changes_seen_total)

失败 Proposals 次数

sum(etcd_server_proposals_failed_total)

GRPC 客户端流量

目录	表达式
详细信息	in sum(rate(etcd_network_client_grpc_received_bytes_total[5m])) by (instance) out sum(rate(etcd_network_client_grpc_sent_bytes_total[5m])) by (instance)
摘要	in sum(rate(etcd_network_client_grpc_received_bytes_total[5m])) out sum(rate(etcd_network_client_grpc_sent_bytes_total[5m]))

对等流量

目录	表达式
详细信息	in sum(rate(etcd_network_peer_received_bytes_total[5m])) by (instance) out sum(rate(etcd_network_peer_sent_bytes_total[5m])) by (instance)
摘要	in sum(rate(etcd_network_peer_received_bytes_total[5m])) out sum(rate(etcd_network_peer_sent_bytes_total[5m]))

DB 大小

目录	表达式
详细信息	sum(etcd_debugging_mvcc_db_total_size_in_bytes) by (instance)
摘要	sum(etcd_debugging_mvcc_db_total_size_in_bytes)

活跃 Streams

目录	表达式
详细信息	lease-watch sum(grpc_server_started_total{grpc_service="etcdserverpb.Lease",grpc_type="bidi_stream"}) by (instance) - sum(grpc_server_handled_total{grpc_service="etcdserverpb.Lease",grpc_type="bidi_stream"}) by (instance) watch sum(grpc_server_started_total{grpc_service="etcdserverpb.Watch",grpc_type="bidi_stream"}) by (instance) - sum(grpc_server_handled_total{grpc_service="etcdserverpb.Watch",grpc_type="bidi_stream"}) by (instance)
摘要	lease-watch sum(grpc_server_started_total{grpc_service="etcdserverpb.Lease",grpc_type="bidi_stream"}) - sum(grpc_server_handled_total{grpc_service="etcdserverpb.Lease",grpc_type="bidi_stream"}) watch sum(grpc_server_started_total{grpc_service="etcdserverpb.Watch",grpc_type="bidi_stream"}) - sum(grpc_server_handled_total{grpc_service="etcdserverpb.Watch",grpc_type="bidi_stream"})

Raft 建议

目录	表达式
详细信息	applied sum(increase(etcd_server_proposals_applied_total[5m])) by (instance) committed sum(increase(etcd_server_proposals_committed_total[5m])) by (instance) pending sum(increase(etcd_server_proposals_pending[5m])) by (instance) failed sum(increase(etcd_server_proposals_failed_total[5m])) by (instance)
摘要	applied sum(increase(etcd_server_proposals_applied_total[5m])) committed sum(increase(etcd_server_proposals_committed_total[5m])) pending sum(increase(etcd_server_proposals_pending[5m])) failed sum(increase(etcd_server_proposals_failed_total[5m]))

RPC 速率

目录	表达式
详细信息	total sum(rate(grpc_server_started_total{grpc_type="unary"}[5m])) by (instance) fail sum(rate(grpc_server_handled_total{grpc_type="unary",grpc_code!="OK"}[5m])) by (instance)
摘要	total sum(rate(grpc_server_started_total{grpc_type="unary"}[5m])) fail sum(rate(grpc_server_handled_total{grpc_type="unary",grpc_code!="OK"}[5m]))

磁盘操作

目录	表达式
详细信息	commit-called-by-backend sum(rate(etcd_disk_backend_commit_duration_seconds_sum[1m])) by (instance) fsync-called-by-wal sum(rate(etcd_disk_wal_fsync_duration_seconds_sum[1m])) by (instance)
摘要	commit-called-by-backend sum(rate(etcd_disk_backend_commit_duration_seconds_sum[1m])) fsync-called-by-wal sum(rate(etcd_disk_wal_fsync_duration_seconds_sum[1m]))

磁盘同步持续时间

目录	表达式
详细信息	wal histogram_quantile(0.99, sum(rate(etcd_disk_wal_fsync_duration_seconds_bucket[5m])) by (instance, le)) db histogram_quantile(0.99, sum(rate(etcd_disk_backend_commit_duration_seconds_bucket[5m])) by (instance, le))
摘要	wal sum(histogram_quantile(0.99, sum(rate(etcd_disk_wal_fsync_duration_seconds_bucket[5m])) by (instance, le))) db sum(histogram_quantile(0.99, sum(rate(etcd_disk_backend_commit_duration_seconds_bucket[5m])) by (instance, le)))

Kubernetes 组件指标

API Server 请求延迟

目录	表达式
详细信息	avg(apiserver_request_latencies_sum / apiserver_request_latencies_count) by (instance, verb) /1e+06
摘要	avg(apiserver_request_latencies_sum / apiserver_request_latencies_count) by (instance) /1e+06

API Server 请求率

目录	表达式
详细信息	sum(rate(apiserver_request_count[5m])) by (instance, code)
摘要	sum(rate(apiserver_request_count[5m])) by (instance)

调度失败的 Pod

目录	表达式
详细信息	sum(kube_pod_status_scheduled{condition="false"})
摘要	sum(kube_pod_status_scheduled{condition="false"})

控制器管理器队列深度

目录	表达式
详细信息	volumes sum(volumes_depth) by instance deployment sum(deployment_depth) by instance replicaset sum(replicaset_depth) by instance service sum(service_depth) by instance serviceaccount sum(serviceaccount_depth) by instance endpoint sum(endpoint_depth) by instance daemonset sum(daemonset_depth) by instance statefulset sum(statefulset_depth) by instance replicationmanager sum(replicationmanager_depth) by instance
摘要	volumes sum(volumes_depth) deployment sum(deployment_depth) replicaset sum(replicaset_depth) service sum(service_depth) serviceaccount sum(serviceaccount_depth) endpoint sum(endpoint_depth) daemonset sum(daemonset_depth) statefulset sum(statefulset_depth) replicationmanager sum(replicationmanager_depth)

调度器 E2E 调度延迟

目录	表达式
详细信息	histogram_quantile(0.99, sum(scheduler_e2e_scheduling_latency_microseconds_bucket) by (le, instance)) / 1e+06
摘要	sum(histogram_quantile(0.99, sum(scheduler_e2e_scheduling_latency_microseconds_bucket) by (le, instance)) / 1e+06)

调度程序抢占尝试

目录	表达式
详细信息	sum(rate(scheduler_total_preemption_attempts[5m])) by (instance)
摘要	sum(rate(scheduler_total_preemption_attempts[5m]))

Ingress Controller 连接数

目录	表达式
详细信息	reading sum(nginx_ingress_controller_nginx_process_connections{state="reading"}) by (instance) waiting sum(nginx_ingress_controller_nginx_process_connections{state="waiting"}) by (instance) writing sum(nginx_ingress_controller_nginx_process_connections{state="writing"}) by (instance) accepted sum(ceil(increase(nginx_ingress_controller_nginx_process_connections_total{state="accepted"}[5m]))) by (instance) active sum(ceil(increase(nginx_ingress_controller_nginx_process_connections_total{state="active"}[5m]))) by (instance) handled sum(ceil(increase(nginx_ingress_controller_nginx_process_connections_total{state="handled"}[5m]))) by (instance)
摘要	reading sum(nginx_ingress_controller_nginx_process_connections{state="reading"}) waiting sum(nginx_ingress_controller_nginx_process_connections{state="waiting"}) writing sum(nginx_ingress_controller_nginx_process_connections{state="writing"}) accepted sum(ceil(increase(nginx_ingress_controller_nginx_process_connections_total{state="accepted"}[5m]))) active sum(ceil(increase(nginx_ingress_controller_nginx_process_connections_total{state="active"}[5m]))) handled sum(ceil(increase(nginx_ingress_controller_nginx_process_connections_total{state="handled"}[5m])))

Ingress Controller 请求处理时间

目录	表达式
详细信息	topk(10, histogram_quantile(0.95,sum by (le, host, path)(rate(nginx_ingress_controller_request_duration_seconds_bucket{host!="_"}[5m]))))
摘要	topk(10, histogram_quantile(0.95,sum by (le, host)(rate(nginx_ingress_controller_request_duration_seconds_bucket{host!="_"}[5m]))))

Rancher Logging 指标

Fluentd 缓冲区队列速率

目录	表达式
详细信息	sum(rate(fluentd_output_status_buffer_queue_length[5m])) by (instance)
摘要	sum(rate(fluentd_output_status_buffer_queue_length[5m]))

Fluentd 输入率

目录	表达式
详细信息	sum(rate(fluentd_input_status_num_records_total[5m])) by (instance)
摘要	sum(rate(fluentd_input_status_num_records_total[5m]))

Fluentd 输出错误率

目录	表达式
详细信息	sum(rate(fluentd_output_status_num_errors[5m])) by (type)
摘要	sum(rate(fluentd_output_status_num_errors[5m]))

Fluentd 输出率

目录	表达式
详细信息	sum(rate(fluentd_output_status_num_records_total[5m])) by (instance)
摘要	sum(rate(fluentd_output_status_num_records_total[5m]))

Workload 指标

Workload CPU 利用率

目录	表达式
详细信息	cfs throttled seconds sum(rate(container_cpu_cfs_throttled_seconds_total{namespace="$namespace",pod_name=~"$podName",container_name!=""}[5m])) by (pod_name) user seconds sum(rate(container_cpu_user_seconds_total{namespace="$namespace",pod_name=~"$podName",container_name!=""}[5m])) by (pod_name) system seconds sum(rate(container_cpu_system_seconds_total{namespace="$namespace",pod_name=~"$podName",container_name!=""}[5m])) by (pod_name) usage seconds sum(rate(container_cpu_usage_seconds_total{namespace="$namespace",pod_name=~"$podName",container_name!=""}[5m])) by (pod_name)
摘要	cfs throttled seconds sum(rate(container_cpu_cfs_throttled_seconds_total{namespace="$namespace",pod_name=~"$podName",container_name!=""}[5m])) user seconds sum(rate(container_cpu_user_seconds_total{namespace="$namespace",pod_name=~"$podName",container_name!=""}[5m])) system seconds sum(rate(container_cpu_system_seconds_total{namespace="$namespace",pod_name=~"$podName",container_name!=""}[5m])) usage seconds sum(rate(container_cpu_usage_seconds_total{namespace="$namespace",pod_name=~"$podName",container_name!=""}[5m]))

Workload 内存利用率

目录	表达式
详细信息	sum(container_memory_working_set_bytes{namespace="$namespace",pod_name=~"$podName", container_name!=""}) by (pod_name)
摘要	sum(container_memory_working_set_bytes{namespace="$namespace",pod_name=~"$podName", container_name!=""})

Workload 网络数据包

目录	表达式
详细信息	receive-packets sum(rate(container_network_receive_packets_total{namespace="$namespace",pod_name=~"$podName",container_name!=""}[5m])) by (pod_name) receive-dropped sum(rate(container_network_receive_packets_dropped_total{namespace="$namespace",pod_name=~"$podName",container_name!=""}[5m])) by (pod_name) receive-errors sum(rate(container_network_receive_errors_total{namespace="$namespace",pod_name=~"$podName",container_name!=""}[5m])) by (pod_name) transmit-packets sum(rate(container_network_transmit_packets_total{namespace="$namespace",pod_name=~"$podName",container_name!=""}[5m])) by (pod_name) transmit-dropped sum(rate(container_network_transmit_packets_dropped_total{namespace="$namespace",pod_name=~"$podName",container_name!=""}[5m])) by (pod_name) transmit-errors sum(rate(container_network_transmit_errors_total{namespace="$namespace",pod_name=~"$podName",container_name!=""}[5m])) by (pod_name)
摘要	receive-packets sum(rate(container_network_receive_packets_total{namespace="$namespace",pod_name=~"$podName",container_name!=""}[5m])) receive-dropped sum(rate(container_network_receive_packets_dropped_total{namespace="$namespace",pod_name=~"$podName",container_name!=""}[5m])) receive-errors sum(rate(container_network_receive_errors_total{namespace="$namespace",pod_name=~"$podName",container_name!=""}[5m])) transmit-packets sum(rate(container_network_transmit_packets_total{namespace="$namespace",pod_name=~"$podName",container_name!=""}[5m])) transmit-dropped sum(rate(container_network_transmit_packets_dropped_total{namespace="$namespace",pod_name=~"$podName",container_name!=""}[5m])) transmit-errors sum(rate(container_network_transmit_errors_total{namespace="$namespace",pod_name=~"$podName",container_name!=""}[5m]))

Workload 网络 I/O

目录	表达式
详细信息	receive sum(rate(container_network_receive_bytes_total{namespace="$namespace",pod_name=~"$podName",container_name!=""}[5m])) by (pod_name) transmit sum(rate(container_network_transmit_bytes_total{namespace="$namespace",pod_name=~"$podName",container_name!=""}[5m])) by (pod_name)
摘要	receive sum(rate(container_network_receive_bytes_total{namespace="$namespace",pod_name=~"$podName",container_name!=""}[5m])) transmit sum(rate(container_network_transmit_bytes_total{namespace="$namespace",pod_name=~"$podName",container_name!=""}[5m]))

Workload 磁盘 I/O

目录	表达式
详细信息	read sum(rate(container_fs_reads_bytes_total{namespace="$namespace",pod_name=~"$podName",container_name!=""}[5m])) by (pod_name) write sum(rate(container_fs_writes_bytes_total{namespace="$namespace",pod_name=~"$podName",container_name!=""}[5m])) by (pod_name)
摘要	read sum(rate(container_fs_reads_bytes_total{namespace="$namespace",pod_name=~"$podName",container_name!=""}[5m])) write sum(rate(container_fs_writes_bytes_total{namespace="$namespace",pod_name=~"$podName",container_name!=""}[5m]))

Pod 指标

Pod CPU 利用率

目录	表达式
详细信息	cfs throttled seconds sum(rate(container_cpu_cfs_throttled_seconds_total{container_name!="POD",namespace="$namespace",pod_name="$podName", container_name!=""}[5m])) by (container_name) usage seconds sum(rate(container_cpu_usage_seconds_total{container_name!="POD",namespace="$namespace",pod_name="$podName", container_name!=""}[5m])) by (container_name) system seconds sum(rate(container_cpu_system_seconds_total{container_name!="POD",namespace="$namespace",pod_name="$podName", container_name!=""}[5m])) by (container_name) user seconds sum(rate(container_cpu_user_seconds_total{container_name!="POD",namespace="$namespace",pod_name="$podName", container_name!=""}[5m])) by (container_name)
摘要	cfs throttled seconds sum(rate(container_cpu_cfs_throttled_seconds_total{container_name!="POD",namespace="$namespace",pod_name="$podName", container_name!=""}[5m])) usage seconds sum(rate(container_cpu_usage_seconds_total{container_name!="POD",namespace="$namespace",pod_name="$podName", container_name!=""}[5m])) system seconds sum(rate(container_cpu_system_seconds_total{container_name!="POD",namespace="$namespace",pod_name="$podName", container_name!=""}[5m])) user seconds sum(rate(container_cpu_user_seconds_total{container_name!="POD",namespace="$namespace",pod_name="$podName", container_name!=""}[5m]))

Pod 内存利用率

目录	表达式
详细信息	sum(container_memory_working_set_bytes{container_name!="POD",namespace="$namespace",pod_name="$podName",container_name!=""}) by (container_name)
摘要	sum(container_memory_working_set_bytes{container_name!="POD",namespace="$namespace",pod_name="$podName",container_name!=""})

Pod 网络数据包

目录	表达式
详细信息	receive-packets sum(rate(container_network_receive_packets_total{namespace="$namespace",pod_name="$podName",container_name!=""}[5m])) receive-dropped sum(rate(container_network_receive_packets_dropped_total{namespace="$namespace",pod_name="$podName",container_name!=""}[5m])) receive-errors sum(rate(container_network_receive_errors_total{namespace="$namespace",pod_name="$podName",container_name!=""}[5m])) transmit-packets sum(rate(container_network_transmit_packets_total{namespace="$namespace",pod_name="$podName",container_name!=""}[5m])) transmit-dropped sum(rate(container_network_transmit_packets_dropped_total{namespace="$namespace",pod_name="$podName",container_name!=""}[5m])) transmit-errors sum(rate(container_network_transmit_errors_total{namespace="$namespace",pod_name="$podName",container_name!=""}[5m]))
摘要	receive-packets sum(rate(container_network_receive_packets_total{namespace="$namespace",pod_name="$podName",container_name!=""}[5m])) receive-dropped sum(rate(container_network_receive_packets_dropped_total{namespace="$namespace",pod_name="$podName",container_name!=""}[5m])) receive-errors sum(rate(container_network_receive_errors_total{namespace="$namespace",pod_name="$podName",container_name!=""}[5m])) transmit-packets sum(rate(container_network_transmit_packets_total{namespace="$namespace",pod_name="$podName",container_name!=""}[5m])) transmit-dropped sum(rate(container_network_transmit_packets_dropped_total{namespace="$namespace",pod_name="$podName",container_name!=""}[5m])) transmit-errors sum(rate(container_network_transmit_errors_total{namespace="$namespace",pod_name="$podName",container_name!=""}[5m]))

Pod 网络 I/O

目录	表达式
详细信息	receive sum(rate(container_network_receive_bytes_total{namespace="$namespace",pod_name="$podName",container_name!=""}[5m])) transmit sum(rate(container_network_transmit_bytes_total{namespace="$namespace",pod_name="$podName",container_name!=""}[5m]))
摘要	receive sum(rate(container_network_receive_bytes_total{namespace="$namespace",pod_name="$podName",container_name!=""}[5m])) transmit sum(rate(container_network_transmit_bytes_total{namespace="$namespace",pod_name="$podName",container_name!=""}[5m]))

Pod 磁盘 I/O

目录	表达式
详细信息	read sum(rate(container_fs_reads_bytes_total{namespace="$namespace",pod_name="$podName",container_name!=""}[5m])) by (container_name) write sum(rate(container_fs_writes_bytes_total{namespace="$namespace",pod_name="$podName",container_name!=""}[5m])) by (container_name)
摘要	read sum(rate(container_fs_reads_bytes_total{namespace="$namespace",pod_name="$podName",container_name!=""}[5m])) write sum(rate(container_fs_writes_bytes_total{namespace="$namespace",pod_name="$podName",container_name!=""}[5m]))

Container 指标

Container CPU 利用率

目录	表达式
cfs throttled seconds	sum(rate(container_cpu_cfs_throttled_seconds_total{namespace="$namespace",pod_name="$podName",container_name="$containerName"}[5m]))
usage seconds	sum(rate(container_cpu_usage_seconds_total{namespace="$namespace",pod_name="$podName",container_name="$containerName"}[5m]))
system seconds	sum(rate(container_cpu_system_seconds_total{namespace="$namespace",pod_name="$podName",container_name="$containerName"}[5m]))
user seconds	sum(rate(container_cpu_user_seconds_total{namespace="$namespace",pod_name="$podName",container_name="$containerName"}[5m]))

Container 内存利用率

sum(container_memory_working_set_bytes{namespace="$namespace",pod_name="$podName",container_name="$containerName"})

Container 磁盘 I/O

目录	表达式
read	sum(rate(container_fs_reads_bytes_total{namespace="$namespace",pod_name="$podName",container_name="$containerName"}[5m]))
write	sum(rate(container_fs_writes_bytes_total{namespace="$namespace",pod_name="$podName",container_name="$containerName"}[5m]))