Ensure `max_connections` Is Capacity-Planned and Monitored

低级别 1人工审核tdsql

说明

max_connections must be sized from instance capacity, per-connection memory, application pool limits, administrative reserve, and measured peak concurrency, and monitored with current and rejected connections.

检查方式

审计方法: 人工审核

此项建议无法自动检查。当您传入 --include-manual 时，扫描结果会列出该项并附带这些说明。

SHOW GLOBAL VARIABLES LIKE 'max_connections'; SHOW GLOBAL STATUS LIKE 'Max_used_connections'; SHOW GLOBAL STATUS LIKE 'Threads_connected'; SHOW GLOBAL STATUS LIKE 'Connection_errors_max_connections'; Review a representative peak period and confirm an approved capacity calculation, coordinated application/Gateway pool totals, an administrative reserve, and alerts for utilization and rejected connections.

修复方式

修复方法: 操作指南或基础设施补丁

Calculate the approved limit from workload and memory evidence, coordinate application pool limits, and persist it through a TDSQL custom parameter template. Do not apply a generic value such as 2048 without capacity testing.

属性

操作系统: 任意
标签: tdsqlavailability
参考: CIS Tencent TDSQL 10.3.22 Benchmark v1.0.0 - 9.5 Ensure `max_connections` Is Capacity-Planned and Monitored