WO2005114407A3 - Robust sharing of runtime systems - Google Patents

Robust sharing of runtime systems Download PDF

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Publication number
WO2005114407A3
WO2005114407A3 PCT/EP2005/005509 EP2005005509W WO2005114407A3 WO 2005114407 A3 WO2005114407 A3 WO 2005114407A3 EP 2005005509 W EP2005005509 W EP 2005005509W WO 2005114407 A3 WO2005114407 A3 WO 2005114407A3
Authority
WO
WIPO (PCT)
Prior art keywords
user
runtime
systems
sharing
user context
Prior art date
Application number
PCT/EP2005/005509
Other languages
French (fr)
Other versions
WO2005114407A2 (en
Inventor
Oliver Schmidt
Norbert Kuck
Edgar Lott
Martin Strassburger
Arno Hilgenberg
Ralf Schmelter
Original Assignee
Sap Ag
Oliver Schmidt
Norbert Kuck
Edgar Lott
Martin Strassburger
Arno Hilgenberg
Ralf Schmelter
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sap Ag, Oliver Schmidt, Norbert Kuck, Edgar Lott, Martin Strassburger, Arno Hilgenberg, Ralf Schmelter filed Critical Sap Ag
Priority to CN2005800246176A priority Critical patent/CN1989488B/en
Priority to JP2007517099A priority patent/JP2007538325A/en
Priority to EP05752576.8A priority patent/EP1769350B1/en
Publication of WO2005114407A2 publication Critical patent/WO2005114407A2/en
Publication of WO2005114407A3 publication Critical patent/WO2005114407A3/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/46—Multiprogramming arrangements
    • G06F9/50—Allocation of resources, e.g. of the central processing unit [CPU]
    • G06F9/5005—Allocation of resources, e.g. of the central processing unit [CPU] to service a request
    • G06F9/5027—Allocation of resources, e.g. of the central processing unit [CPU] to service a request the resource being a machine, e.g. CPUs, Servers, Terminals
    • G06F9/5033—Allocation of resources, e.g. of the central processing unit [CPU] to service a request the resource being a machine, e.g. CPUs, Servers, Terminals considering data affinity
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/46—Multiprogramming arrangements
    • G06F9/48—Program initiating; Program switching, e.g. by interrupt
    • G06F9/4806—Task transfer initiation or dispatching
    • G06F9/4843—Task transfer initiation or dispatching by program, e.g. task dispatcher, supervisor, operating system
    • G06F9/485—Task life-cycle, e.g. stopping, restarting, resuming execution
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/46—Multiprogramming arrangements
    • G06F9/54—Interprogram communication
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2209/00—Indexing scheme relating to G06F9/00
    • G06F2209/50—Indexing scheme relating to G06F9/50
    • G06F2209/5016—Session
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2209/00—Indexing scheme relating to G06F9/00
    • G06F2209/50—Indexing scheme relating to G06F9/50
    • G06F2209/5018—Thread allocation

Abstract

Methods and apparatus, including computer systems and program products, for sharing objects in runtime systems and for providing isolation between user sessions in a scalable manner. A user context corresponding to a user session is stored in a shared memory area. Upon receiving a request corresponding to the user session, a process is selected from a set of operating system processes, and a runtime system is selected from a set of runtime systems. The runtime system is bound to the process, and the user context is associated with the runtime system to process the request. In some implementations, sharing user contexts enables virtual machines to be used in a shared but isolated manner: Each user context can be exclusively associated with an available virtual machine from a fixed set of virtual machines, and each virtual machine can be exclusively executed in an available process from a fixed set of processes.
PCT/EP2005/005509 2004-05-20 2005-05-20 Robust sharing of runtime systems WO2005114407A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN2005800246176A CN1989488B (en) 2004-05-20 2005-05-20 Robust sharing of runtime systems
JP2007517099A JP2007538325A (en) 2004-05-20 2005-05-20 Runtime system shared program, method and apparatus
EP05752576.8A EP1769350B1 (en) 2004-05-20 2005-05-20 Robust sharing of runtime systems

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/851,794 2004-05-20
US10/851,794 US7707583B2 (en) 2004-05-20 2004-05-20 Robust sharing of runtime systems

Publications (2)

Publication Number Publication Date
WO2005114407A2 WO2005114407A2 (en) 2005-12-01
WO2005114407A3 true WO2005114407A3 (en) 2005-12-29

Family

ID=35094167

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2005/005509 WO2005114407A2 (en) 2004-05-20 2005-05-20 Robust sharing of runtime systems

Country Status (5)

Country Link
US (1) US7707583B2 (en)
EP (1) EP1769350B1 (en)
JP (1) JP2007538325A (en)
CN (1) CN1989488B (en)
WO (1) WO2005114407A2 (en)

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Also Published As

Publication number Publication date
US7707583B2 (en) 2010-04-27
US20050262181A1 (en) 2005-11-24
CN1989488B (en) 2010-11-03
EP1769350B1 (en) 2014-03-05
EP1769350A2 (en) 2007-04-04
WO2005114407A2 (en) 2005-12-01
JP2007538325A (en) 2007-12-27
CN1989488A (en) 2007-06-27

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