IBM DB2 Analytics Accelerator V2低延迟、高容量的更新
5 月 7 日，IBM 宣布为 IBM DB2 Analytics Accelerator 这款广受欢迎的产品扩展功能，同时还提供了一套临时修复程序 (PTF) 及大量文档更改。这些更改将于五月和六月期间与用户见面，其中新增了多项预期功能，如降低数据延迟，以及将产品存储容量扩展到超过 1
5 月 7 日，IBM 宣布为 IBM® DB2® Analytics Accelerator 这款广受欢迎的产品扩展功能，同时还提供了一套临时修复程序 (PTF) 及大量文档更改。这些更改将于五月和六月期间与用户见面，其中新增了多项预期功能，如降低数据延迟，以及将产品存储容量扩展到超过 1.2 TB。下文将概括介绍这些新功能，同时我们会在下一版产品中对它们进行进一步增强。
增量更新
全新的增量更新功能可通过读取 IBM DB2 for z/OS® 上的日志并将这些更新应用至 DB2 分析加速器，从而全天候持续更新 DB2 分析加速器内的表。启用此功能后，查询任务将进入以近实时版本数据为基础运行的 DB2 分析加速器。此功能可防止客户为当前版本的加速器重新加载数据。当加速工作负载要求使用最新版本的 DB2 数据时，企业即可使用增量更新功能。虽然很多情况下仍然需要执行全面刷新及基于分区的刷新，但增量更新不能取代刷新流程，它只是对刷新功能进行了增强。
OLTP Application：OLTP 应用程序
ELT or ETL：ELT 或 ETL
Data Warehouse：数据仓库
Change Data Capture：调整数据捕获
Table or Partition Update：表或分区更新
DB2 Analytics Accelerator：DB2 分析加速器
Incremental Update：增量更新
高容量
支持范围扩大，可涵盖整个 IBM Netezza® 1000 数据仓库设备产品系列。DB2 分析加速器现已从 1/4 尺寸机箱扩大到 10 机箱 Netezza 1000 设备。这种转变表明客户需要大型加速器以满足搭配使用高容量数据仓库与 IBM System z® 的需求。DB2 Analytics Accelerator V2 于 2011 年 10 月首次发布，它支持 1/4、1/2 或全尺寸机箱，从而将加速器限制在 96 处理器，且有效存储为 128 TB。然而，具备充分扩展功能后，客户可以充分利用从 24 处理器（具有 32 TB 有效存储）到 960 处理器（具有 1,280 TB 有效存储）的处理器。
Cabinets：机箱
Preocessing Units：处理单元
Capacity (TB)：容量 (TB)
Effective Capacity (TB)*：有效容量 (TB)*
Accelerator Plateforms：加速器平台
Cabinets：机箱
Effective Capacity：有效容量
User Data Space：用户数据空间
User Data Space with compression：用户压缩数据空间
*4x compression assumed：假设 *4x 压缩
Low Latency, High Capacity Update：低延迟、高容量的更新
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