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- 动态与公告
- 产品简介
- 自研内核
- 购买指南
- 快速入门
- 数据库审计
- Serverless 服务
- 操作指南
- 最佳实践
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- API 文档
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- Introduction
- API Category
- Making API Requests
- Instance APIs
- CloseClusterPasswordComplexity
- CopyClusterPasswordComplexity
- DescribeClusterPasswordComplexity
- ModifyClusterPasswordComplexity
- OpenClusterPasswordComplexity
- UpgradeClusterVersion
- UpgradeInstance
- SetRenewFlag
- OfflineCluster
- ModifyMaintainPeriodConfig
- IsolateInstance
- IsolateCluster
- DescribeMaintainPeriod
- DescribeInstanceSpecs
- DescribeClusters
- DescribeClusterDetail
- CreateClusters
- AddInstances
- OfflineInstance
- DescribeInstanceDetail
- DescribeClusterInstanceGrps
- DescribeInstances
- ActivateInstance
- ModifyInstanceName
- ModifyClusterName
- SearchClusterTables
- SearchClusterDatabases
- RestartInstance
- Multi-AZ APIs
- Account APIs
- Audit APIs
- Database Proxy APIs
- Backup and Restoration APIs
- Parameter Management APIs
- Performance Analysis APIs
- Billing APIs
- Serverless APIs
- ResourcePackage APIs
- Other APIs
- CloseWan
- CreateClusterDatabase
- DeleteClusterDatabase
- DescribeClusterDetailDatabases
- ModifyClusterDatabase
- OpenWan
- OpenClusterReadOnlyInstanceGroupAccess
- OpenReadOnlyInstanceExclusiveAccess
- ModifyDBInstanceSecurityGroups
- DescribeProjectSecurityGroups
- DescribeDBSecurityGroups
- SwitchProxyVpc
- DescribeFlow
- DescribeZones
- SwitchClusterVpc
- ModifyVipVport
- Data Types
- Error Codes
- 常见问题
- TDSQL-C 政策
- 词汇表
- 联系我们
本文为您展示 TDSQL-C MySQL 版并行查询的性能测试报告。
标准性能测试报告
数据集：TPC-H
测试数据量：100GB
并行线程数：16
Query：Q1、Q3、Q4、Q6、Q9、Q12、Q14、Q19 性能加速比
执行时间表
Query | 非并行执行时间（s） | 并行查询16线程（s） | 加速倍数 |
Q1 | 1376.96 | 197.25 | 12.84 |
Q3 | 366.33 | 37.64 | 9.73 |
Q4 | 92.81 | 6.58 | 14.1 |
Q6 | 283.83 | 26.05 | 10.9 |
Q9 | 673.87 | 45.96 | 14.66 |
Q12 | 361.2 | 35.7 | 10.12 |
Q14 | 65.02 | 5.7 | 11.41 |
Q19 | 20.55 | 1.87 | 11.0 |
执行时间加速比
结论
利用并行查询能力，调动多核计算资源，可大幅缩短大查询响应时间。
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