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1. 发明申请

US20140188825A1 PLACEMENT POLICY 有权
标题翻译：放置政策
公开(公告)号：US20140188825A1
公开(公告)日：2014-07-03
申请号：US13731722
申请日：2012-12-31
申请人： Kannan Muthukkaruppan , Karthik Ranganathan , Liyin Tang
发明人： Kannan Muthukkaruppan , Karthik Ranganathan , Liyin Tang
IPC分类号： G06F17/30
CPC分类号： G06F17/30094 , G06F17/30159 , G06F17/30174 , G06F17/30203 , G06F17/30221 , G06F17/30312 , G06F17/30339
摘要： A region-based placement policy that can be used to achieve a better distribution of data in a clustered storage system is disclosed herein. The clustered storage system includes a master module to implement the region-based placement policy for storing one or more copies of a received data across many data nodes of the clustered storage system. When implementing the region-based placement policy, the master module splits the received data into one or more regions, where each region includes a contiguous portion of the received data. Further, for each of the plurality of regions, the master module stores complete copies of the region in a subset of the data nodes.
摘要翻译：这里公开了一种可用于在集群存储系统中实现更好的数据分发的基于区域的放置策略。集群存储系统包括主模块，用于实现基于区域的放置策略，用于存储跨群集存储系统的许多数据节点的接收数据的一个或多个副本。当实现基于区域的放置策略时，主模块将接收到的数据分割成一个或多个区域，其中每个区域包括所接收数据的连续部分。此外，对于多个区域中的每一个，主模块在数据节点的子集中存储该区域的完整副本。

2. 发明授权

US06996694B1 Basing computer memory allocation for aggregate data types on data separate from a type definition 有权
标题翻译：基于与类型定义分开的数据的聚合数据类型的计算机内存分配
公开(公告)号：US06996694B1
公开(公告)日：2006-02-07
申请号：US10247889
申请日：2002-09-19
申请人： Kannan Muthukkaruppan
发明人： Kannan Muthukkaruppan
IPC分类号： G06F12/00
CPC分类号： G06F12/023
摘要： A method and apparatus for allocating computer memory for an aggregate data type is provided, wherein that allocating is based on data that is separate from a type definition. According to one technique, an instruction to construct an instance of an aggregate data type is received. The aggregate data type (and therefore the instance) includes an attribute. It is determined, based on data called a “Constructor Descriptor”, whether memory for that attribute is to be allocated in-line or out-of-line. The Constructor Descriptor is separate from the type definition of the attribute. Memory for the attribute is allocated in-line or out-of-line depending on the determination made. Using this technique, memory allocation can be customized based on, for example, the system resources of a specific computer system. This technique is applicable, for example, to compilers and interpreters of object oriented or record oriented languages. In certain embodiments, the Constructor Descriptor may be used to incrementally construct or incrementally destroy instances of data types.
摘要翻译：提供了一种用于为聚合数据类型分配计算机存储器的方法和装置，其中该分配基于与类型定义分离的数据。根据一种技术，接收构成聚合数据类型的实例的指令。聚合数据类型（因此实例）包括一个属性。根据称为“构造函数描述符”的数据，确定该属性的内存是否被分配为行内或外线。构造函数描述符与属性的类型定义分开。根据所做的确定，属性的内存被分配在行或行外。使用这种技术，可以基于例如特定计算机系统的系统资源来定制内存分配。此技术适用于例如面向对象或面向记录的语言的编译器和解释器。在某些实施例中，可以使用构造器描述符来递增地构造或递增地破坏数据类型的实例。

3. 发明授权

US06275830B1 Compile time variable size paging of constant pools 失效
标题翻译：编译常量池的时间变量大小分页
公开(公告)号：US06275830B1
公开(公告)日：2001-08-14
申请号：US09044507
申请日：1998-03-18
申请人： Kannan Muthukkaruppan , Murali Vemulapati , Shirish Puranik
发明人： Kannan Muthukkaruppan , Murali Vemulapati , Shirish Puranik
IPC分类号： G06F1730
CPC分类号： G06F12/10 , G06F12/0238 , G06F2212/652 , Y10S707/99953
摘要： A method and apparatus for paging data in a computer system is provided. A set of data associated with a program unit is divided into pages such that no item of the set of data spans more than one page. The size of one page may vary from the size of another. When the program unit is compiled, metadata is generated that indicates the division of items into pages. At load time, a page mapping is generated based on the metadata. The page mapping is used to locate a item that belongs to the set of data. Other parts of the program unit, such as byte code, can contain references to items in the constant pool. Each reference specifies the number of the page in which the corresponding item will be stored at runtime, and the offset of that item within the page.
摘要翻译：提供了一种用于在计算机系统中寻呼数据的方法和装置。与程序单元相关联的一组数据被分成页面，使得该组数据中的任何项目跨越多于一页。一页的大小可能与另一页的大小不同。当编译程序单元时，生成指示将项目划分为页面的元数据。在加载时，基于元数据生成页面映射。页面映射用于定位属于该数据集的项目。程序单元的其他部分，如字节码，可以包含对常量池中项目的引用。每个引用指定在运行时将存储相应项目的页面编号，以及页面中该项目的偏移量。

4. 发明授权

US06219666B1 Autonomous transactions in a database system 失效
标题翻译：数据库系统中的自治事务
公开(公告)号：US06219666B1
公开(公告)日：2001-04-17
申请号：US09114340
申请日：1998-07-13
申请人： Janaki Krishnaswamy , Kannan Muthukkaruppan
发明人： Janaki Krishnaswamy , Kannan Muthukkaruppan
IPC分类号： G06F1730
CPC分类号： G06K13/0825 , G06F8/443 , G06F9/466 , Y10S707/99938 , Y10S707/99944 , Y10S707/99953
摘要： A method is disclosed that involves establishing a transaction stack in a memory of a computing system that is processing transactions. Two commands, PUSH and POP, operate on the stack. The PUSH command causes a frame of data identifying the currently executing transaction to be pushed onto the transaction stack. After a PUSH is executed, the first transactional statement that executes causes creation of a new autonomous transaction. If another transactional statement is executed after the new transaction commits or rolls back, but before a POP is executed, then another new autonomous transaction is created. A POP operation restores the transaction identified by the top frame of the stack. In another aspect, a programming language construct is provided for associating a lexical scope with an autonomous transaction scope. When the lexical scope is first entered during execution of the program in a first transaction, the transaction context of the first transaction is stored on a transaction stack. The operations in the lexical scope are executed in one or more autonomous transactions. When the lexical scope is exited, the transaction context on the top of the transaction stack is restored as the current transaction context. The stack automatically keeps track of nested sequences of autonomous transactions. Further, deadlocks are rapidly detected.
摘要翻译：公开了一种涉及在正在处理事务的计算系统的存储器中建立事务栈的方法。两个命令PUSH和POP在堆栈上操作。 PUSH命令使得将标识当前正在执行的事务的数据帧推送到事务栈上。执行PUSH后，执行的第一个事务语句会导致创建一个新的自治事务。如果在新事务提交或回滚之后但在执行POP之前执行另一个事务语句，则会创建另一个新的自治事务。 POP操作恢复由堆栈的顶部框架标识的事务。在另一方面，提供了一种用于将词汇范围与自主事务范围相关联的编程语言结构。当在第一个事务中执行程序期间首先输入词汇范围时，第一个事务的事务上下文存储在一个事务栈中。词汇范围中的操作在一个或多个自主事务中执行。当词法范围退出时，事务堆栈顶部的事务上下文将作为当前事务上下文进行还原。堆栈自动跟踪嵌套的自治事务序列。此外，快速检测到死锁。

5. 发明授权

US06182202B2 Generating computer instructions having operand offset length fields for defining the length of variable length operand offsets 失效
标题翻译：生成具有操作数偏移长度字段的计算机指令，用于定义可变长度操作数偏移的长度
公开(公告)号：US06182202B2
公开(公告)日：2001-01-30
申请号：US08962134
申请日：1997-10-31
申请人： Kannan Muthukkaruppan
发明人： Kannan Muthukkaruppan
IPC分类号： G06F934
CPC分类号： G06F9/355 , G06F9/3016
摘要： A method and apparatus for storing a variable length operand offset in a computer instruction is provided. An operand base is stored in a computer instruction. Also stored in the computer instruction is a variable length operand offset that is associated with the operand base. In addition, an operand offset length is stored within the computer instruction that defines the length of the variable length operand offset. Storing an operand offset length with each variable length operand offset in a computer instruction provides for the reduction of unused space.
摘要翻译：提供了一种在计算机指令中存储可变长度操作数偏移的方法和装置。操作数库存储在计算机指令中。还存储在计算机指令中的是与操作数基础相关联的可变长度操作数偏移量。另外，操作数偏移长度存储在计算机指令中，该指令定义了可变长度操作数偏移量的长度。在计算机指令中存储每个可变长度操作数偏移量的操作数偏移长度，用于减少未使用的空间。

6. 发明授权

US5987580A Serially reusable execution memory 失效
标题翻译：连续可重用的执行内存
公开(公告)号：US5987580A
公开(公告)日：1999-11-16
申请号：US835160
申请日：1997-04-04
申请人： Amit Jasuja , Mark Ramacher , Kannan Muthukkaruppan
发明人： Amit Jasuja , Mark Ramacher , Kannan Muthukkaruppan
IPC分类号： G06F9/50 , G06F12/00
CPC分类号： G06F9/5016 , Y10S707/99953 , Y10S707/99957
摘要： Execution memory for use in processing a program unit for a database is allocated by inspecting an execution memory area pool for a previously allocated execution memory area. If a previously allocated execution memory area is found, then the previously allocated execution memory area is established as the execution memory area for executing the program unit. On the other hand, if a previously allocated execution memory area is not found, then a new execution memory area is allocated and configured for executing the program unit.
摘要翻译：通过检查先前分配的执行存储器区域的执行存储器区域池来分配用于处理数据库的程序单元的执行存储器。如果找到先前分配的执行存储器区域，则先前分配的执行存储器区域被建立为用于执行程序单元的执行存储器区域。另一方面，如果未找到先前分配的执行存储器区域，则分配新的执行存储器区域并配置用于执行程序单元。

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