白皮书 6 白皮书 | 6 openEuler 覆盖全场景的创新平台 openEuler 已支持 X86、Arm、RISC-V 多处理器架构，未来还会扩展 PowerPC、SW64 等更多芯片架构支持，持续 完善多样化算力生态体验。 openEuler 社区面向场景化的 SIG 不断组建，推动 openEuler 白皮书 7 白皮书 | 7 1. 引领内核创新 云原生调度增强：针对云场景在线和离线业务混合部署场景，创新 CPU 调度算法保障在线业务对 CPU 的实时抢占及抖 动抑制，创新业务优先级 00M 内存回收算法保障在线业务安全可靠运行。 • 新文件系统 EulerFS：面向非易失性内存的新文件系统，采用软更新、目录双视图等技术减少文件元数据同步 • 安全容器方案：iSulad+shimv2+StratoVirt 安全容器方案，相比传统 docker+qemu 方案，底噪和启动时间 优化 40%。 • 双平面部署工具 eqqo：ARM/X86 双平面混合集群 0S 高效一键式安装，百节点部署时间<15min。 3. 探索场景创新 边缘计算：发布面向边缘计算场景的版本 openEuler21.09Edae.集成 Ku

ix、R2jags、R6、 RColorBrewer、ROCR、RPostgreSQL、Rcpp、RcppEigen、RobustRankAggreg、SparseM、abind、adabag、 arm、assertthat、bitops、caTools、car、caret、coda、colorspace、compHclust、curl、data.table、 dichromat、digest、d 管理并发性能和用户资源分配是 Greenplum 的主要功能之一。这一版本不仅增强了 Workload Manager 的功能，还引入了 一种管理数据库查询的新方法——资源组，可让数据库管理员更好地控制用户活动，尤其是在 CPU 和内存管理方面。资 源组一经定义，便会将所有用户活动纳入管理范围，包括超级用户。某个超级用户执行的所有语句都会路由至一个默认资 源组，管理员可以根据需要调整该资源组，增加或减少其系统资源。如果队列中没有可用于某个查询的空位，或者内存不 5：新一代数据平台 在 Greenplum 5 中，Workload Manager 的功能有所增强，提高了规则创建的可自定义程度，并改进了监控查询活动及其 所用资源的方式。它可在查询运行过程中监控并检测内存、CPU 和磁盘 I/O 偏差。随后，Workload Manager 会在查询使 用的某项资源超过已定义阈值时记录日志，并可根据规则定义在必要时终止超过规定资源限额的查询。规则可按一天中的 时间和一周中的

Limits 1009 Memory Auditor 1010 Transaction Concurrency Limit 1011 CPU Limits 1011 Assigning CPU Resources by Core 1012 Assigning CPU Resources by Percentage 1013 Elastic mode 1013 Ceiling Enforcement Limits 1023 Viewing Resource Group Query Status and CPU/Memory Usage 1023 Viewing Resource Group CPU/Memory Usage Per Host 1024 Viewing Resource Group CPU/Memory Usage Per Segment 1024 Viewing the Resource Moving a Query to a Different Resource Group 1025 Resource Group Frequently Asked Questions 1027 CPU 1027 Memory 1027 Concurrency 1028 Using Resource Queues 1028 Using Resource Queues 0 Resource

Limits 1018 Memory Auditor 1019 Transaction Concurrency Limit 1020 CPU Limits 1020 Assigning CPU Resources by Core 1021 Assigning CPU Resources by Percentage 1022 Elastic mode 1022 Ceiling Enforcement Limits 1032 Viewing Resource Group Query Status and CPU/Memory Usage 1032 Viewing Resource Group CPU/Memory Usage Per Host 1033 Viewing Resource Group CPU/Memory Usage Per Segment 1033 Viewing the Resource Moving a Query to a Different Resource Group 1034 Resource Group Frequently Asked Questions 1036 CPU 1036 Memory 1036 Concurrency 1037 Using Resource Queues 1037 Using Resource Queues 0 Resource

Limits 944 Memory Auditor 944 Transaction Concurrency Limit 945 CPU Limits 945 Assigning CPU Resources by Core 946 Assigning CPU Resources by Percentage 947 Elastic mode 947 Ceiling Enforcement Limits 958 Viewing Resource Group Query Status and CPU/Memory Usage 959 Viewing Resource Group CPU/Memory Usage Per Host 959 Viewing Resource Group CPU/Memory Usage Per Segment 959 Viewing the Resource Moving a Query to a Different Resource Group 961 Resource Group Frequently Asked Questions 962 CPU 962 Memory 962 Concurrency 963 Using Resource Queues 963 Using Resource Queues 0 Resource Queue

Limits 1009 Memory Auditor 1010 Transaction Concurrency Limit 1010 CPU Limits 1011 Assigning CPU Resources by Core 1011 Assigning CPU Resources by Percentage 1012 Elastic mode 1013 Ceiling Enforcement Limits 1022 Viewing Resource Group Query Status and CPU/Memory Usage 1022 Viewing Resource Group CPU/Memory Usage Per Host 1022 Viewing Resource Group CPU/Memory Usage Per Segment 1023 VMware Tanzu Greenplum Moving a Query to a Different Resource Group 1024 Resource Group Frequently Asked Questions 1026 CPU 1026 Memory 1026 Concurrency 1027 Using Resource Queues 1027 Resource Queue Example 1029 How Memory

Limits 1172 Memory Auditor 1173 Transaction Concurrency Limit 1174 CPU Limits 1174 Assigning CPU Resources by Core 1175 Assigning CPU Resources by Percentage 1176 Elastic mode 1176 Ceiling Enforcement Limits 1187 Viewing Resource Group Query Status and CPU/Memory Usage 1187 Viewing Resource Group CPU/Memory Usage Per Host 1187 Viewing Resource Group CPU/Memory Usage Per Segment 1188 Viewing the Resource Moving a Query to a Different Resource Group 1189 Resource Group Frequently Asked Questions 1191 CPU 1191 Memory 1191 Concurrency 1192 Using Resource Queues 1192 VMware Greenplum 6 Documentation

Limits 1187 Memory Auditor 1188 Transaction Concurrency Limit 1189 CPU Limits 1189 Assigning CPU Resources by Core 1190 Assigning CPU Resources by Percentage 1191 Elastic mode 1191 Ceiling Enforcement Limits 1203 Viewing Resource Group Query Status and CPU/Memory Usage 1203 Viewing Resource Group CPU/Memory Usage Per Host 1203 Viewing Resource Group CPU/Memory Usage Per Segment 1204 Viewing the Resource Moving a Query to a Different Resource Group 1205 Resource Group Frequently Asked Questions 1207 CPU 1207 Memory 1207 Concurrency 1208 Using Resource Queues 1208 Resource Queue Example 1211 How Memory

Limits 1156 Memory Auditor 1156 Transaction Concurrency Limit 1157 CPU Limits 1157 Assigning CPU Resources by Core 1158 Assigning CPU Resources by Percentage 1159 Elastic mode 1160 Ceiling Enforcement Limits 1171 Viewing Resource Group Query Status and CPU/Memory Usage 1171 Viewing Resource Group CPU/Memory Usage Per Host 1172 Viewing Resource Group CPU/Memory Usage Per Segment 1172 Viewing the Resource Moving a Query to a Different Resource Group 1173 Resource Group Frequently Asked Questions 1175 CPU 1175 Memory 1175 Concurrency 1176 Using Resource Queues 1176 Resource Queue Example 1179 How Memory

Limits 1136 Memory Auditor 1136 Transaction Concurrency Limit 1137 CPU Limits 1137 Assigning CPU Resources by Core 1138 Assigning CPU Resources by Percentage 1139 Elastic mode 1139 Ceiling Enforcement Limits 1149 Viewing Resource Group Query Status and CPU/Memory Usage 1149 Viewing Resource Group CPU/Memory Usage Per Host 1150 Viewing Resource Group CPU/Memory Usage Per Segment 1150 Viewing the Resource Moving a Query to a Different Resource Group 1151 Resource Group Frequently Asked Questions 1153 CPU 1153 Memory 1153 Concurrency 1154 Using Resource Queues 1154 Resource Queue Example 1156 How Memory