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- 新手指引
- 产品简介
- 购买指南
- 快速入门
- 操作指南
- 开发准则
- 命令兼容性
- 故障处理
- 最佳实践
- API 文档
- History
- Introduction
- API Category
- Making API Requests
- Instance APIs
- AddReplicationInstance
- AllocateWanAddress
- ChangeInstanceRole
- ChangeMasterInstance
- CleanUpInstance
- ClearInstance
- CloseSSL
- CreateInstanceAccount
- CreateReplicationGroup
- DeleteInstanceAccount
- DeleteReplicationInstance
- DescribeAutoBackupConfig
- DescribeBandwidthRange
- DescribeInstanceAccount
- DescribeInstanceDTSInfo
- DescribeInstanceZoneInfo
- DescribeInstances
- DescribeProxySlowLog
- DescribeSlowLog
- DescribeTendisSlowLog
- DestroyPostpaidInstance
- DestroyPrepaidInstance
- DisableReplicaReadonly
- EnableReplicaReadonly
- InquiryPriceCreateInstance
- InquiryPriceUpgradeInstance
- KillMasterGroup
- ModifyAutoBackupConfig
- ModifyInstance
- ModifyInstanceAccount
- ModifyInstanceReadOnly
- ModifyMaintenanceWindow
- ModifyNetworkConfig
- OpenSSL
- ReleaseWanAddress
- RenewInstance
- ResetPassword
- StartupInstance
- SwitchProxy
- UpgradeInstanceVersion
- UpgradeProxyVersion
- UpgradeSmallVersion
- UpgradeVersionToMultiAvailabilityZones
- DescribeCommonDBInstances
- ChangeReplicaToMaster
- CloneInstances
- CreateInstances
- DescribeInstanceDealDetail
- DescribeInstanceNodeInfo
- DescribeInstanceShards
- DescribeMaintenanceWindow
- DescribeParamTemplateInfo
- DescribeReplicationGroup
- DescribeSSLStatus
- DescribeTaskInfo
- DescribeTaskList
- ModfiyInstancePassword
- RemoveReplicationInstance
- UpgradeInstance
- DescribeInstanceEvents
- ModifyInstanceAvailabilityZones
- ModifyInstanceEvent
- SwitchAccessNewInstance
- DescribeInstanceSupportFeature
- Parameter Management APIs
- Other APIs
- Region APIs
- Monitoring and Management APIs
- Backup and Restoration APIs
- Data Types
- Error Codes
- 常见问题
- 词汇表
- 联系我们
执行时延过高
最后更新时间：2024-01-26 15:22:24
现象描述
现象1：执行时延的监控指标过高。
现象2：业务受到影响。
可能原因
总请求数过大。
流量、连接数受限。
有类似 keys *、mget 等复杂命令。
解决思路
您可以根据控制台的监控和自身的业务逻辑，来查看是否存在上述问题，并进行有针对性的优化。
处理步骤
1. 若总请求数过大，请参考 总请求数过大。
3. 复杂命令优化，如果有 keys * 命令，您可以考虑使用 scan 命令进行分批遍历，替代更高时间复杂度的 keys；如果有 mget 命令，您可以考虑拆分为 n 次操作来获取 n 个 Key 等。
说明：
是
否
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