* node_filesystem_size -> node_filesystem_size_bytes * node_disk_io_time_ms -> node_disk_io_time_seconds_total * node_disk_reads_completed -> node_disk_reads_completed_total * node_disk_sectors_written -> node_disk_written_bytes_total * node_time -> node_time_seconds * node_boot_...
irate(node_disk_io_time_seconds_total[30m]) 1. 每次I/O读取耗时计算公式: irate(node_disk_read_time_seconds_total[30m]) / irate(node_disk_reads_completed_total[30m]) 1. 每次I/O写入耗时计算公式: irate(node_disk_write_time_seconds_total[30m]) / irate(node_disk_writes_completed_total[30...
-name:DiskI/O报警规则 rules: -alert:DiskIOTimeOut expr:| ( sum(node_disk_io_time_seconds_total{device=~"/dev/.*"}[5m]) / sum(node_disk_io_time_seconds_total{device=~"/dev/.*", operation=~"read|write"}[5m]) ) > 0.03 for:10m labels: severity:page annotations: summary:服务器...
rate(node_disk_io_time_seconds_total{instance=~"$hostname"}[5m]) 1. 2. util%到达100%并不一定会存在磁盘瓶颈,因为磁盘设备可以并发(fio中的多队列),判断磁盘瓶颈要根据util%、IO队列数、读写延迟的历史趋势来判断。没有办法,因为磁盘厂商也没给出相关参考。 4. 磁盘设备平均IO队列数 rate(node_disk_...
* node_filesystem_size -> node_filesystem_size_bytes * node_disk_io_time_ms -> node_disk_io_time_seconds_total * node_disk_reads_completed -> node_disk_reads_completed_total * node_disk_sectors_written -> node_disk_written_bytes_total ...
irate(node_disk_written_bytes_total[30m]) # 每秒磁盘I/O操作耗费时间计算公式: irate(node_disk_io_time_seconds_total[30m]) # 每次I/O读取耗时计算公式: irate(node_disk_read_time_seconds_total[30m])/irate(node_disk_reads_completed_total[30m]) ...
node_memory_MemTotal_bytes (采集物理节点内存) up == 0 (代表有服务处于down状态) node_disk_io_time_seconds_total (物理节点I/O使用率) node_network_receive_bytes_total (入网流量) node_network_transmit_bytes_total (出网流量) node_netstat_Tcp_CurrEstab (物理节点tcp会话数) ...
node_cpu_seconds_total node-exporter Node Disk Usage (Top 10) topk(10, sum(label_replace(1-node_filesystem_free_bytes{cluster="$cluster",mountpoint="/"}/node_filesystem_size_bytes{cluster="$cluster",mountpoint="/",fstype!="rootfs"},"host_ip","$1","instance","(.*)"))...
node_disk_read_bytes_total node_disk_written_bytes_total node_disk_io_time_seconds_total node_filesystem_size_bytes node_filesystem_avail_bytes node_filesystem_readonly node_network_receive_bytes_total node_network_transmit_bytes_total node_vmstat_pgmajfault ...
node_disk_io_now node-exporter node_disk_io_time_seconds_total node-exporter node_disk_io_time_weighted_seconds_total node-exporter node_disk_read_bytes_total node-exporter node_disk_read_time_seconds_total node-exporter node_disk_reads_completed_total ...