TDSQL-C PostgreSQL 版

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PostgreSQL 版","lang":"zh"}

文档中心 TDSQL-C PostgreSQL 版操作指南监控告警监控指标

监控指标

最近更新时间：2022-10-31 16:24:13

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控制台监控
为方便用户查看和掌握实例的运行信息，TDSQL-C PostgreSQL 版提供了丰富的性能监控项，用户可登录 TDSQL-C PostgreSQL 版控制台，在对应实例详情页的实例监控页查看。
监控指标
指标名
监控指标名
单位
指标描述
CPU 使用率
cpu
%
CPU 实际利用率
存储使用量
storage_usage
GiB
实例已使用的存储空间
连接数
connections
个
对数据库发起采集时，数据库当前总连接数
内存使用率
memory_usage_rate
%
实例实际内存使用率，包括 shard buffer 与 page cache
每秒读请求数
read_calls
次
平均每秒的读取请求数
每秒写请求数
write_calls
次
平均每秒的写入请求数
缓存命中率
cache_hit_rate
%
一个请求周期内的所有 SQL 语句执行的命中率
平均执行时延
sql_runtime_avg
ms
一次统计周期内所有 SQL 语句的平均执行时延
QPS
qps
次/秒
平均每秒的总请求数
﻿

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