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迁移到位于Intel Xeon处理器之上的IBM DB2

Jun 07, 2016 pm 05:54 PM
db2 ibm intel migrate

迁移到新的数据库平台或硬件架构似乎有些令人畏缩。而组织可能必须通过更改来实现关键业务目标。举例来说,从 Oracle Database 迁移到 IBM DB2 有助于削减成本、降低复杂性。将数据库从 Sun SPARC 基础架构迁移到基于 Intel Xeon 处理器的 IBM System x 服务

迁移到新的平台或硬件架构似乎有些令人畏缩。而组织可能必须通过更改来实现关键业务目标。举例来说,从 Oracle Database 迁移到 IBM® DB2® 有助于削减成本、降低复杂性。将从 Sun SPARC 基础架构迁移到基于 Intel® Xeon® 处理器的 IBM System x® 能够提高数据库性能、整合率、可伸缩性和可用性。

无论最初的目标如何,迁移到基于 Intel Xeon 处理器的 DB2 和 IBM 服务器均能带来可观的收益。DB2 内置的功能使得从 Oracle Database 迁移到 DB2 的过程变得尽可能的顺畅和简单。

迁移到位于Intel Xeon处理器之上的IBM DB2

利用 IBM DB2 降低成本和减少复杂性

IBM DB2 提供了无数种特性和功能,可实现比运行 Oracle Database 更低的成本。例如,IBM DB2 深度压缩能够压缩表、索引、临时空间和 XML 数据,帮助组织显著降低存储成本。利用深度压缩,组织可以实现高达 70% 的磁盘空间节约,同时大幅提高性能。除此之外,IBM 还提供了适应性极强的虚拟化许可选项,帮助组织迁移到 DB2,从而降低虚拟化成本。

通过自动化例行维护任务,IBM DB2 还有助于实现比管理 Oracle 环境更低的数据库管理复杂性和成本。组织的人员配置需求得到降低,DBA 可以抽出时间处理价值更高的项目。

IBM DB2 还提供了比 Oracle Database 可伸缩性更高的选项,支持更广泛的各类业务需求和 IT 需求。举例来说,基于 DB2 的 IBM InfoSphere® Warehouse 中提供的 IBM 数据库分析特性 (DPF) 使组织能够利用无共享方法,以递增的方式扩展数据仓库系统,从而提高性能。

对于联机事务处理 (OLTP) 工作负载,IBM DB2 pureScale® 技术允许组织以对正在运行的应用程序透明的方式,运用高度有效的共享磁盘方法为集群添加节点。利用 IBM DB2 pureScale 及配备 Intel Xeon 处理器的 IBM 服务器,交付高度可用性、可伸缩性和灵活的系统维护选项,且无需投入大笔资金,或购买针对任务关键型 OLTP 或分析应用程序而调优的复杂应用程序。

简化迁移到 DB2 的过程

DB2 中的兼容性特性有助于简化从 Oracle Database 迁移到 DB2 的过程,将迁移成本降至最低,同时加速创造价值的进程。如今,组织可以在更短的时间内完成迁移,通常所需的应用程序改写工作量也非常少,甚至完全不必改写(请参阅 IBM Data Management 文章 “在数周内从 Oracle 或 Sybase 迁移到 DB2”,了解有关的更多信息)。在完成迁移之后,开发人员可在 DB2 中利用现有 Oracle Database 技能,避免学习新平台的时间和成本(如图 1 所示)。

迁移到位于Intel Xeon处理器之上的IBM DB2

SQL*PLUS 脚本 程序包

图 1. 凭借对 Oracle SQL 方言、SQL*Plus 脚本、PL/SQL 代码和众多内置 Oracle Database 程序包的支持,IBM DB2 显著简化了从 Oracle Database 迁移到 DB2 的过程。

利用 IBM System x 服务器和 Intel Xeon E7 系列处理器来提高性能

与当前基于 Sun SPARC 的系统相比,IBM eX5 企业系统采用了 Intel® Xeon® E7 系列处理器,是 IBM System x 服务器中最强大的一款产品,能够交付 63% 的性能提升1。从旧版 Sun SPARC 环境迁移到 DB2 的组织能够实现更高的性能收益,使组织能够显著整合数据库环境,甚至可将各服务器的性能提升七倍以上,而且完全不会扩大服务器的资源占用。

基于 Intel Xeon E7 系列处理器的 IBM eX5 系统为 DB2 工作负载打下了坚实的基础。与基于 Oracle Database/Sun SPARC 的系统的最佳公开 TPC-C 结果相比,在配备 Intel Xeon E7 系列处理器的 IBM eX5 系统中运行的 IBM DB2 能够实现四倍的每核心性能,高达 42% 的每核心性价比改进3。组织能够在不增加服务器资源占用的前提下,更加迅速地交付结果,处理更大的数据量。

Intel® Xeon® E7-4800 系列处理器有助于为 IBM 服务器提供所有必要的安全性和可用性特性,支持任务最为关键的工作负载。举例来说,机器检查架构恢复(MCA 恢复)技术可促进从此前可能导致服务器崩溃的错误中自动恢复。Intel® Advanced Encryption Standards–New Instructions (Intel® AES-NI) 增强了安全性,同时降低了加密对性能造成的典型负面影响。

配备 Intel Xeon E7 系列处理器的 IBM eX5 系统还为 DB2 提供了可伸缩性,与使用其他处理器的系统相比,能实现高达 50% 的内存节约。额外的内存容量可支持高达 6 TB 内存、8 个多核处理器插槽的配置。大规模内存容量可支持工作负载峰值,为数据库增长留出空间,并控制服务器资源占用。

实现迁移

迁移到新数据库或硬件平台看似充满挑战,但在配备 Intel Xeon E7 系列处理器的 IBM eX5 系统上运行 IBM DB2 带来的潜在优势同样也很可观。组织可提高性能、可靠性和可伸缩性,同时降低成本和复杂性。

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