JP4937266B2 - ロードバランシング - Google Patents
ロードバランシング Download PDFInfo
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- JP4937266B2 JP4937266B2 JP2008536593A JP2008536593A JP4937266B2 JP 4937266 B2 JP4937266 B2 JP 4937266B2 JP 2008536593 A JP2008536593 A JP 2008536593A JP 2008536593 A JP2008536593 A JP 2008536593A JP 4937266 B2 JP4937266 B2 JP 4937266B2
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- 238000000034 method Methods 0.000 claims description 112
- 230000015654 memory Effects 0.000 claims description 71
- 238000000926 separation method Methods 0.000 claims description 22
- 238000003860 storage Methods 0.000 claims description 8
- 238000012544 monitoring process Methods 0.000 claims description 7
- 238000002955 isolation Methods 0.000 claims description 5
- 230000006870 function Effects 0.000 description 49
- 238000007726 management method Methods 0.000 description 22
- 238000012545 processing Methods 0.000 description 18
- 238000000429 assembly Methods 0.000 description 5
- 230000000712 assembly Effects 0.000 description 5
- 239000003054 catalyst Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000013468 resource allocation Methods 0.000 description 3
- 230000006399 behavior Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000010408 sweeping Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F15/00—Digital computers in general; Data processing equipment in general
- G06F15/16—Combinations of two or more digital computers each having at least an arithmetic unit, a program unit and a register, e.g. for a simultaneous processing of several programs
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1001—Protocols in which an application is distributed across nodes in the network for accessing one among a plurality of replicated servers
- H04L67/1004—Server selection for load balancing
- H04L67/1008—Server selection for load balancing based on parameters of servers, e.g. available memory or workload
-
- 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]
-
- 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
-
- 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]
- G06F9/5083—Techniques for rebalancing the load in a distributed system
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1001—Protocols in which an application is distributed across nodes in the network for accessing one among a plurality of replicated servers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1001—Protocols in which an application is distributed across nodes in the network for accessing one among a plurality of replicated servers
- H04L67/1004—Server selection for load balancing
- H04L67/1012—Server selection for load balancing based on compliance of requirements or conditions with available server resources
-
- 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
- G06F9/44—Arrangements for executing specific programs
- G06F9/455—Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
- G06F9/45533—Hypervisors; Virtual machine monitors
- G06F9/45558—Hypervisor-specific management and integration aspects
- G06F2009/4557—Distribution of virtual machine instances; Migration and load balancing
-
- 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
- G06F9/52—Program synchronisation; Mutual exclusion, e.g. by means of semaphores
- G06F9/526—Mutual exclusion algorithms
- G06F9/528—Mutual exclusion algorithms by using speculative mechanisms
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Software Systems (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Debugging And Monitoring (AREA)
- Stored Programmes (AREA)
Description
(1) GC.MaxGenerationNotifier += new
MaxGenerationNotificationHandler(On_MaxGeneration_Notify1)
(2) GC.MaxGenerationNotifier += new
MaxGenerationNotificationHandler(On_MaxGeneration_Notify2)
ここで、MaxGeneration_Notify1およびMaxGeneration_Notify2は前述の関数である。さらに、関数MaxGeneration_Notify1およびMaxGeneration_Notify2はロードバランサ315に監視イベントを通知することができる。従って、監視イベントが発生すると、ロードバランサ315は要求されたロードバランシング動作を行うことができる。
(1) GC.MaxGenerationCompleteNotifier += new
MaxGenerationCompleteNotificationHandler(On_MaxGenerationComplete_Notify1)
(2) GC.MaxGenerationCompleteNotifier += new
MaxGenerationCompleteNotificationHandler(On_MaxGenerationComplete_Notify2)
ここで、MaxGenerationComplete_Notify1およびMaxGenerationComplete_Notify2は前述の関数である。さらに、関数MaxGenerationComplete_Notify1およびMaxGenerationComplete_Notify2はロードバランサ315にサブスクライブイベントを通知することができる。従って、サブスクライブイベントが発生すると、ロードバランサ315は要求に応じてロードバランサ315を少なくとも一時的に中止することができる。
Claims (14)
- コンピュータによって実行される方法であって、
特定の分離境界においてマネージドコードを実行するステップと、
前記マネージドコードの実行中にヒープメモリの割当てを監視するステップと、
前記監視に基づいて、前記マネージドコードの実行により前記ヒープメモリのガベージコレクションが差し迫っていると決定することと、
前記差し迫っているガベージコレクションの規模が、該差し迫ったガベージコレクションの完了の前に前記マネージドコードの実行をタイムアウトさせることとなる閾値を超過するかどうかを決定するステップと、
前記規模が前記閾値を超過すると決定したことに応答して、前記マネージドコードの少なくとも一部の実行を別の分離境界に再配分する必要があることを示す通知を送信するステップと
を含むことを特徴とする方法。 - 前記通知は、ロードバランサに送信されることを特徴とする請求項1に記載の方法。
- 前記通知は、前記差し迫ったガベージコレクションの間に前記マネージドコードの実行が中断されることにより、前記マネージドコードの実行がタイムアウトすることを示す指示を含むことを特徴とする請求項1に記載の方法。
- 前記特定分離境界はプロセスであり、前記別の分離境界は前記プロセスとは別のプロセスであり、前記通知は、前記マネージドコードの少なくとも一部の実行を、前記プロセスから前記別のプロセスに再配分させる命令を含むことを特徴とする請求項1に記載の方法。
- 前記通知に基づいて、前記アプリケーションの前記少なくとも一部の実行を前記別の分離境界に再配分するステップをさらに含むことを特徴とする請求項1に記載の方法。
- 前記通知は、前記マネージドコードの少なくとも一部の実行を、別のサーバに再配分させる命令を含むことを特徴とする請求項1に記載の方法。
- プロセッサによって実行されると、該プロセッサに、
特定の分離境界においてマネージドコードを実行することと、
前記マネージドコードの実行中にヒープメモリの割当てを監視することと、
前記監視に基づいて、前記マネージドコードの実行により前記ヒープメモリのガベージコレクションが差し迫っていると決定することと、
前記差し迫っているガベージコレクションの規模が、該差し迫ったガベージコレクションの完了の前に前記マネージドコードの実行をタイムアウトさせることとなる閾値を超過するかどうかを決定することと、
前記規模が前記閾値を超過すると決定したことに応答して、前記マネージドコードの少なくとも一部の実行を別の分離境界に再配分する必要があることを示す通知を送信することと
を実行させるプログラムを記録したことを特徴とするコンピュータ読取可能記憶媒体。 - 前記通知は、ロードバランサに対して送信されることを特徴とする請求項7に記載のコンピュータ読取可能記憶媒体。
- 前記通知は、前記差し迫ったガベージコレクションにより、該差し迫ったガベージコレクションの間に実行が中断される前記マネージドコードがタイムアウトすることとなることを示す指示を含むことを特徴とする請求項7に記載のコンピュータ読取可能記憶媒体。
- 前記特定の分離境界はプロセスであり、前記別の分離境界は、前記プロセスとは別のプロセスであり、前記通知は、前記マネージドコードの少なくとも一部の実行を、前記プロセスから前記別のプロセスに再配分させる命令を含むことを特徴とする請求項7に記載のコンピュータ読取可能記憶媒体。
- 前記通知は、前記マネージドコードの少なくとも一部の実行を、別のサーバに再配分させる命令を含むことを特徴とする請求項7に記載のコンピュータ読取可能記憶媒体。
- 特定の分離境界においてマネージドコードを実行するプロセッサと、
前記マネージドコードの実行中にヒープメモリの割当てを監視し、該監視に基づいて、前記マネージドコードの実行により前記ヒープメモリのガベージコレクションが差し迫っていると決定したとき、前記差し迫っているガベージコレクションの規模が、該差し迫ったガベージコレクションの完了の前に前記マネージドコードをタイムアウトさせることとなる閾値を超過するかどうかを決定する手段と、
前記規模が前記閾値を超過すると決定したとき、前記マネージドコードの少なくとも一部の実行を別の分離境界に再配分する必要があることを示す通知を送信する手段と、
前記通知に基づいて、前記マネージドコードの少なくとも一部の実行を前記別の分離境界に再配分するロードバランサと
を備えたことを特徴とするシステム。 - 前記通知は、前記差し迫ったガベージコレクションにより、該差し迫ったガベージコレクションの間に実行が中断される前記マネージドコードがタイムアウトすることとなることを示すことを特徴とする請求項12に記載のシステム。
- 前記特定の分離境界はプロセスであり、前記別の分離境界は前記プロセスとは別のプロセスであることを特徴とする請求項12に記載のシステム。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/254,649 | 2005-10-20 | ||
US11/254,649 US8234378B2 (en) | 2005-10-20 | 2005-10-20 | Load balancing in a managed execution environment |
PCT/US2006/038117 WO2007047066A1 (en) | 2005-10-20 | 2006-09-28 | Load balancing |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009512936A JP2009512936A (ja) | 2009-03-26 |
JP4937266B2 true JP4937266B2 (ja) | 2012-05-23 |
Family
ID=37962815
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008536593A Active JP4937266B2 (ja) | 2005-10-20 | 2006-09-28 | ロードバランシング |
Country Status (15)
Country | Link |
---|---|
US (2) | US8234378B2 (ja) |
EP (1) | EP1941382B1 (ja) |
JP (1) | JP4937266B2 (ja) |
KR (1) | KR20080059574A (ja) |
CN (1) | CN101292234B (ja) |
AU (1) | AU2006303019A1 (ja) |
BR (1) | BRPI0617331A2 (ja) |
CA (1) | CA2622546A1 (ja) |
ES (1) | ES2632153T3 (ja) |
IL (1) | IL190037A0 (ja) |
NO (1) | NO341682B1 (ja) |
NZ (1) | NZ567314A (ja) |
RU (1) | RU2008115484A (ja) |
TW (1) | TW200731136A (ja) |
WO (1) | WO2007047066A1 (ja) |
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AU2006303019A1 (en) | 2007-04-26 |
NO20081268L (no) | 2008-07-08 |
ES2632153T3 (es) | 2017-09-11 |
EP1941382B1 (en) | 2017-04-12 |
WO2007047066A1 (en) | 2007-04-26 |
US8234378B2 (en) | 2012-07-31 |
RU2008115484A (ru) | 2009-10-27 |
CN101292234B (zh) | 2011-05-25 |
CN101292234A (zh) | 2008-10-22 |
US10334031B2 (en) | 2019-06-25 |
EP1941382A4 (en) | 2009-02-25 |
CA2622546A1 (en) | 2007-04-26 |
BRPI0617331A2 (pt) | 2011-07-19 |
NZ567314A (en) | 2010-05-28 |
KR20080059574A (ko) | 2008-06-30 |
US20070094651A1 (en) | 2007-04-26 |
US20120278813A1 (en) | 2012-11-01 |
TW200731136A (en) | 2007-08-16 |
EP1941382A1 (en) | 2008-07-09 |
NO341682B1 (no) | 2017-12-18 |
JP2009512936A (ja) | 2009-03-26 |
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