Set up docs MCPsystem.dashboards 中所用指标与 system.custom_metrics 中 Prometheus 指标的映射
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。
system.dashboards 中指标到 system.custom_metrics 中 Prometheus 指标的映射表
| 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 |