LCG Persistency Framework (CORAL, COOL, POOL): Status and Outlook in 2012
LCG Persistency Framework (CORAL, COOL, POOL): Status and Outlook in 2012
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LCG持久性框架（CORAL、COOL、POOL）：2012年的现状和展望
DOI：
10.1088/1742-6596/396/5/052067
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发表时间：
2012
期刊：
影响因子：
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通讯作者：
M. Wache
中科院分区：
文献类型：
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作者：
R. Trentadue;M. Clemencic;D. Dykstra;M. Frank;D. Front;A. Kalkhof;A. Loth;M. Nowak;A. Salnikov;A. Valassi;M. Wache
LCG持久性框架由三个软件包(COALL、COOL和POOL)组成，它们解决了几个不同领域的大型强子对撞机实验的数据访问要求。该项目是CERN IT部门与三个实验(ATLAS、CMS和LHCb)合作的结果，这三个实验使用部分或全部持久性框架组件来访问其数据。Pool是C++对象的混合技术存储，使用流和关系技术的混合来实现对象持久化和对象元数据目录和集合。Coral是一个抽象层，具有用于访问使用关系数据库技术存储的数据的无SQL API。Cool提供了特定的软件组件和工具，用于处理实验条件数据的时间变化和版本。本报告报告了CHEP2012会议期间三个次级项目中每一个项目的现状和展望，回顾了三个大型强子对撞机实验中每个成套方案的使用情况。
The LCG Persistency Framework consists of three software packages (CORAL, COOL and POOL) that address the data access requirements of the LHC experiments in several different areas. The project is the result of the collaboration between the CERN IT Department and the three experiments (ATLAS, CMS and LHCb) that are using some or all of the Persistency Framework components to access their data. POOL is a hybrid technology store for C++ objects, using a mixture of streaming and relational technologies to implement both object persistency and object metadata catalogs and collections. CORAL is an abstraction layer with an SQL-free API for accessing data stored using relational database technologies. COOL provides specific software components and tools for the handling of the time variation and versioning of the experiment conditions data. This presentation reports on the status and outlook in each of the three sub-projects at the time of the CHEP2012 conference, reviewing the usage of each package in the three LHC experiments.