> ## Documentation Index
> Fetch the complete documentation index at: https://private-7c7dfe99-parallel-read-in-order-multi-part.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# `system.dashboards` 中使用的指标与 `system.custom_metrics` 中 Prometheus 指标的映射关系

> `system.dashboards` 中使用的指标与 `system.custom_metrics` 中 Prometheus 指标的映射关系

<div id="mapping-of-metrics-used-in-systemdashboards-to-prometheus-metrics-in-systemcustom_metrics">
  ## `system.dashboards` 中所用指标与 `system.custom_metrics` 中 Prometheus 指标的映射
</div>

下表列出了 `system.dashboards` 中所用指标与 `system.custom_metrics` 中 Prometheus 指标之间的对应关系。
这对于希望监控 `system.dashboards` 中相同指标的用户会很有帮助。

<div id="mapping-table-for-metrics-in-systemdashboards-to-prometheus-metrics-in-systemcustom_metrics">
  ### system.dashboards 中指标到 system.custom\_metrics 中 Prometheus 指标的映射表
</div>

| 仪表盘 | 标题 | Prometheus 指标名称 (system.custom\_metrics) |
| - | - | - |
| 概览 | 查询/秒 | ClickHouseProfileEvents\_Query |
| 概览 | CPU 使用量 (核数) | ClickHouseProfileEvents\_OSCPUVirtualTimeMicroseconds |
| 概览 | 正在运行的查询 | ClickHouseMetrics\_Query |
| 概览 | 正在运行的合并 | ClickHouseMetrics\_Merge |
| 概览 | 选中字节/秒 | ClickHouseProfileEvents\_SelectedBytes |
| 概览 | IO 等待 | ClickHouseProfileEvents\_OSIOWaitMicroseconds |
| 概览 | CPU 等待 | ClickHouseProfileEvents\_OSCPUWaitMicroseconds |
| 概览 | 操作系统 CPU 使用率 (用户空间) | ClickHouseAsyncMetrics\_OSUserTimeNormalized |
| 概览 | 操作系统 CPU 使用率 (内核) | ClickHouseAsyncMetrics\_OSSystemTimeNormalized |
| 概览 | 从磁盘读取 | ClickHouseProfileEvents\_OSReadBytes |
| 概览 | 从文件系统读取 | ClickHouseProfileEvents\_OSReadChars |
| 概览 | 内存 (已跟踪) | ClickHouseMetrics\_MemoryTracking |
| 概览 | 平均负载 (15 分钟) | ClickHouseAsyncMetrics\_LoadAverage15 |
| 概览 | 选中行数/秒 | ClickHouseProfileEvents\_SelectedRows |
| 概览 | 插入行数/秒 | ClickHouseProfileEvents\_InsertedRows |
| 概览 | MergeTree parts 总数 | ClickHouseAsyncMetrics\_TotalPartsOfMergeTreeTables |
| 概览 | 单个分区的最大 parts 数 | ClickHouseAsyncMetrics\_MaxPartCountForPartition |
| Cloud 概览 | 查询/秒 | ClickHouseProfileEvents\_Query |
| Cloud 概览 | CPU 使用量 (核数) | ClickHouseProfileEvents\_OSCPUVirtualTimeMicroseconds |
| Cloud 概览 | 正在运行的查询 | ClickHouseMetrics\_Query |
| Cloud 概览 | 正在运行的合并 | ClickHouseMetrics\_Merge |
| Cloud 概览 | 选中字节/秒 | ClickHouseProfileEvents\_SelectedBytes |
| Cloud 概览 | IO 等待 (本地文件系统) | ClickHouseProfileEvents\_OSIOWaitMicroseconds |
| Cloud 概览 | S3 读取等待 | ClickHouseProfileEvents\_ReadBufferFromS3Microseconds |
| Cloud 概览 | S3 读取错误/秒 | ProfileEvent\_ReadBufferFromS3RequestsErrors |
| Cloud 概览 | CPU 等待 | ClickHouseProfileEvents\_OSCPUWaitMicroseconds |
| Cloud 概览 | 操作系统 CPU 使用率 (用户空间，归一化) | ClickHouseAsyncMetrics\_OSUserTimeNormalized |
| Cloud 概览 | 操作系统 CPU 使用率 (内核，归一化) | ClickHouseAsyncMetrics\_OSSystemTimeNormalized |
| Cloud 概览 | 从磁盘读取 (字节/秒) | ClickHouseProfileEvents\_OSReadBytes |
| Cloud 概览 | 从文件系统读取 (字节/秒) | ClickHouseProfileEvents\_OSReadChars |
| Cloud 概览 | 内存 (已跟踪，字节) | ClickHouseMetrics\_MemoryTracking |
| Cloud 概览 | 平均负载 (15 分钟) | ClickHouseAsyncMetrics\_LoadAverage15 |
| Cloud 概览 | 选中行数/秒 | ClickHouseProfileEvents\_SelectedRows |
| Cloud 概览 | 插入行数/秒 | ClickHouseProfileEvents\_InsertedRows |
| Cloud 概览 | MergeTree parts 总数 | ClickHouseAsyncMetrics\_TotalPartsOfMergeTreeTables |
| Cloud 概览 | 单个分区的最大 parts 数 | ClickHouseAsyncMetrics\_MaxPartCountForPartition |
| Cloud 概览 | 从 S3 读取 (字节/秒) | ClickHouseProfileEvents\_ReadBufferFromS3Bytes |
| Cloud 概览 | 文件系统缓存大小 | ClickHouseMetrics\_FilesystemCacheSize |
| Cloud 概览 | Disk S3 写请求/秒 | ClickHouseProfileEvents\_DiskS3PutObject + ClickHouseProfileEvents\_DiskS3UploadPart + ClickHouseProfileEvents\_DiskS3CreateMultipartUpload + ClickHouseProfileEvents\_DiskS3CompleteMultipartUpload |
| Cloud 概览 | Disk S3 读请求/秒 | ClickHouseProfileEvents\_DiskS3GetObject + ClickHouseProfileEvents\_DiskS3HeadObject + ClickHouseProfileEvents\_DiskS3ListObjects |
| Cloud 概览 | 文件系统缓存命中率 | ClickHouseProfileEvents\_CachedReadBufferReadFromCacheBytes / (ClickHouseProfileEvents\_CachedReadBufferReadFromCacheBytes + ClickHouseProfileEvents\_CachedReadBufferReadFromSourceBytes) |
| Cloud 概览 | 页缓存命中率 | greatest(0, (sum(ClickHouseProfileEvents\_OSReadChars) - sum(ClickHouseProfileEvents\_OSReadBytes)) /  (sum(ClickHouseProfileEvents\_OSReadChars) + sum(ClickHouseProfileEvents\_ReadBufferFromS3Bytes))) |
| Cloud 概览 | 网络接收字节/秒 | ClickHouseProfileEvents\_NetworkReceiveBytes |
| Cloud 概览 | 网络发送字节/秒 | ClickHouseProfileEvents\_NetworkSendBytes |

相关链接：
[https://clickhouse.com/docs/integrations/prometheus](https://clickhouse.com/docs/integrations/prometheus)