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Glossary

Monitoring and Alarms

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Terakhir diperbarui: 2026-06-18 15:55:11

You can fully view the operational information of read-only analysis instances through the monitoring feature of TDSQL Boundless. There are multiple methods to view monitoring metrics, such as viewing them through the TDSQL Boundless console, TencentCloud API, or the TCOP dashboard. This document introduces the monitoring metrics supported by read-only analysis instances.
Prerequisites
Prepare a read-only analysis instance. For details, see Read-Only Analysis Instance.
The instance status is Running.
Viewing Monitoring Data
To view monitoring data for a read-only analysis instance, see View Monitoring Data.
Note:
Because the monitoring metrics for read-only analysis instances differ from those for read-write instances and regular read-only instances, you cannot view them together in a single monitoring chart.
Supported Monitoring Metrics
Category
Monitoring Metric (in the Console)
Monitoring Metric (English)
Unit
Data Aggregation Method
Overall monitoring of the analysis engine
ARO Active Connections
LibradbActiveConnections
Count
max
﻿
ARO Total Connections
LibradbConnections
Count
max
﻿
ARO Data Sync Latency
LibradbDelayTime
s
max
﻿
Average response time of the analysis engine
LibradbDuration
ms
avg
﻿
Number of error requests of the analysis engine
LibradbErrorQueries
Count
sum
﻿
Number of rows written per second during full loading of the analysis engine
LibradbFullWriteRownumPer
Count/s
max
﻿
Amount of data written per second during full loading of the analysis engine
LibradbFullWriteSizePer
MBytes/s
max
﻿
Number of rows processed by the analysis engine per second
LibradbIncRownumPer
MBytes/s
max
﻿
Analysis engine QPS
LibradbQps
Count/s
max
﻿
Size of the returned result set from the analysis engine
LibradbRequestSize
MBytes
sum
Node monitoring of analysis engine
ARO Block Cache Hit Rate
LibradbBlockCacheHits
%
avg
﻿
ARO Block Cache Usage
LibradbBlockCacheUsage
MBytes
last
﻿
ARO Compact Rowset Count
LibradbCompactRowsetNum
Count
last
﻿
ARO CPU Utilization
LibradbCpuUsage
%
last
﻿
ARO Data File Size
LibradbDatafileSize
MBytes
last
﻿
ARO Read I/O Throughput
LibradbDiskRead
MBytes/s
max
﻿
ARO Used Disk Space
LibradbDiskSize
MBytes
last
﻿
ARO Disk Utilization
LibradbDiskUsage
%
last
﻿
ARO Write I/O Throughput
LibradbDiskWrite
MBytes/s
max
﻿
ARO Memory Utilization
LibradbMemUsage
%
last
﻿
ARO MPP Tasks Received
LibradbMppTaskRequestNum
Count
sum
﻿
ARO MPP Tasks Running
LibradbMppTaskRunningNum
Count
last
﻿
ARO Network Inbound Traffic
LibradbNetworkInput
MBytes
max
﻿
ARO Network Outbound Traffic
LibradbNetworkOutput
MBytes
max
﻿
ARO Node Sync Latency
LibradbNodeDelayTime
s
max
﻿
ARO Node Full Load Rows/s
LibradbNodeFullWriteRownumPer
Count/s
max
﻿
ARO Node Full Load Throughput
LibradbNodeFullWriteSizePer
MBytes/s
max
﻿
ARO Node Incremental Sync Rows/s
LibradbNodeIncRownumPer
Count/s
max
Alarm Setting
The method for configuring alarms for read-only analysis engine instances is the same as that for TDSQL Boundless read-write instances. For detailed operational guidance, see Alarm Configuration Process Overview.

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Category	Monitoring Metric (in the Console)	Monitoring Metric (English)	Unit	Data Aggregation Method
Overall monitoring of the analysis engine	ARO Active Connections	LibradbActiveConnections	Count	max
		ARO Total Connections	LibradbConnections	Count	max
		ARO Data Sync Latency	LibradbDelayTime	s	max
		Average response time of the analysis engine	LibradbDuration	ms	avg
		Number of error requests of the analysis engine	LibradbErrorQueries	Count	sum
		Number of rows written per second during full loading of the analysis engine	LibradbFullWriteRownumPer	Count/s	max
		Amount of data written per second during full loading of the analysis engine	LibradbFullWriteSizePer	MBytes/s	max
		Number of rows processed by the analysis engine per second	LibradbIncRownumPer	MBytes/s	max
		Analysis engine QPS	LibradbQps	Count/s	max
		Size of the returned result set from the analysis engine	LibradbRequestSize	MBytes	sum
Node monitoring of analysis engine	ARO Block Cache Hit Rate	LibradbBlockCacheHits	%	avg
		ARO Block Cache Usage	LibradbBlockCacheUsage	MBytes	last
		ARO Compact Rowset Count	LibradbCompactRowsetNum	Count	last
		ARO CPU Utilization	LibradbCpuUsage	%	last
		ARO Data File Size	LibradbDatafileSize	MBytes	last
		ARO Read I/O Throughput	LibradbDiskRead	MBytes/s	max
		ARO Used Disk Space	LibradbDiskSize	MBytes	last
		ARO Disk Utilization	LibradbDiskUsage	%	last
		ARO Write I/O Throughput	LibradbDiskWrite	MBytes/s	max
		ARO Memory Utilization	LibradbMemUsage	%	last
		ARO MPP Tasks Received	LibradbMppTaskRequestNum	Count	sum
		ARO MPP Tasks Running	LibradbMppTaskRunningNum	Count	last
		ARO Network Inbound Traffic	LibradbNetworkInput	MBytes	max
		ARO Network Outbound Traffic	LibradbNetworkOutput	MBytes	max
		ARO Node Sync Latency	LibradbNodeDelayTime	s	max
		ARO Node Full Load Rows/s	LibradbNodeFullWriteRownumPer	Count/s	max
		ARO Node Full Load Throughput	LibradbNodeFullWriteSizePer	MBytes/s	max
		ARO Node Incremental Sync Rows/s	LibradbNodeIncRownumPer	Count/s	max

tencent cloud

TDSQL Boundless

Monitoring and Alarms

Prerequisites

Viewing Monitoring Data

Supported Monitoring Metrics

Alarm Setting

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