JP6654183B2 - 通信障害後の分散ワークロード再割り当て - Google Patents
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- H04L43/00—Arrangements for monitoring or testing data switching networks
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- G06F9/46—Multiprogramming arrangements
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- G06F11/20—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements
- G06F11/202—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where processing functionality is redundant
- G06F11/2046—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where processing functionality is redundant where the redundant components share persistent storage
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- G06F16/17—Details of further file system functions
- G06F16/176—Support for shared access to files; File sharing support
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- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
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- G—PHYSICS
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- 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
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- 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
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- H04L67/60—Scheduling or organising the servicing of application requests, e.g. requests for application data transmissions using the analysis and optimisation of the required network resources
- H04L67/61—Scheduling or organising the servicing of application requests, e.g. requests for application data transmissions using the analysis and optimisation of the required network resources taking into account QoS or priority requirements
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/40—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass for recovering from a failure of a protocol instance or entity, e.g. service redundancy protocols, protocol state redundancy or protocol service redirection
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- 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
- H04L67/1029—Protocols in which an application is distributed across nodes in the network for accessing one among a plurality of replicated servers using data related to the state of servers by a load balancer
-
- 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
- H04L67/1034—Reaction to server failures by a load balancer
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- General Engineering & Computer Science (AREA)
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- Computer Networks & Wireless Communication (AREA)
- Data Mining & Analysis (AREA)
- Databases & Information Systems (AREA)
- Computer Security & Cryptography (AREA)
- Quality & Reliability (AREA)
- Human Computer Interaction (AREA)
- Hardware Redundancy (AREA)
- Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
- Debugging And Monitoring (AREA)
- Small-Scale Networks (AREA)
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Description
[0053] typedef struct_NETWORK_APP_INSTANCE_VERSION_ECP_CONTEXT {
[0054] USHORT Size;
[0055] USHORT Reserved;
[0056] UINT64 VersionHigh;
[0057] UINT64 VersionLow;
[0058] } NETWORK_APP_INSTANCE_VERSION_ECP_CONTEXT, *PNETWORK_APP_INSTANCE_VERSION_ECP_CONTEXT;
[0077] //
[0078] // アプリケーションがそのインスタンスIDを提供するためのECPコンテキスト。
[0079] //
[0080]
[0081] typedef struct_NETWORK_APP_INSTANCE_VERSION_ECP_CONTEXT {
[0082] //
[0083] // この構造のサイズに設定する必要がある。
[0084] //
[0085]
[0086] USHORT Size;
[0087]
[0088] //
[0089] // ゼロに設定する必要がある。
[0090] //
[0091]
[0092] USHORT Reserved;
[0093]
[0094] //
[0095] // 呼び出し元は、主バージョンおよび副バージョンを設定する。
[0096] // このECPは、有効となるNETWORK_APP_INSTANCE_ECPを伴う必要がある。
[0097] //
[0098] //
[0099]
[00100] UINT64 VersionHigh;
[00101] UINT64 VersionLow;
[00102]
[00103] } NETWORK_APP_INSTANCE_VERSION_ECP_CONTEXT, *PNETWORK_APP_INSTANCE_VERSION_ECP_CONTEXT;
[00104]
[00105] //
[00106] // GUIDをNETWORK_APP_INSTANCE_ECP_CONTEXT構造に使用。
[00107] // {6AA6BC45−A7EF−4af7−9008−FA462E144D74}
[00108] //
[00109] DEFINE_GUID(GUID_ECP_NETWORK_APP_INSTANCE_VERSION, 0xb7d082b9, 0x563b, 0x4f07, OxaO, 0x7b, 0x52, 0x4a, 0x81, 0x16, OxaO, 0x10);
Claims (15)
- 少なくとも1つのプロセッサと、
前記少なくとも1つのプロセッサに対して動作可能に接続され、前記少なくとも1つのプロセッサにより実行された場合に、
マスターノードが、第1の生成識別子および第1のワークロード識別子を第1のワークロードと関連付けるステップであって、前記第1の生成識別子は、第1のワーカーノードに関連付けられた初期の優先度を示す、ステップと、
前記マスターノードが、前記第1の生成識別子、前記第1のワークロード識別子、および前記第1のワークロードを前記第1のワーカーノードに伝達するステップと、
ストレージシステムが、前記第1のワーカーノードから第1のアクセス要求を受信するステップであって、前記第1のアクセス要求が前記第1の生成識別子および前記第1のワークロード識別子と関連付けられた、ステップと、
前記第1のワーカーノードとの通信障害時に、前記マスターノードが、第2の生成識別子を生成し、前記第2の生成識別子を前記第1のワークロードと関連付け、前記第2の生成識別子、前記第1のワークロード識別子、および前記第1のワークロードを第2のワーカーノードに伝達するステップであって、前記第2の生成識別子は、前記第1の生成識別子と異なる優先度を示す、ステップと、
前記ストレージシステムが、前記第2のワーカーノードから第2のアクセス要求を受信するステップであって、前記第2のアクセス要求が前記第2の生成識別子および前記第1のワークロード識別子と関連付けられた、ステップと、
前記ストレージシステムが、前記第1の生成識別子の優先度と前記第2の生成識別子の優先度とに基づいて、前記第2のアクセス要求を許可するかを判定するステップと
を含む方法を実行する命令を含むメモリと、
を備えた、システム。 - 前記第2の生成識別子が、前記第1の生成識別子よりも低い優先度を示す、請求項1に記載のシステム。
- 前記マスターノードが、前記第2のワーカーノードから成功の指標を受信するステップと、
前記マスターノードが、前記第1の生成識別子よりも高い優先度を示す第3の生成識別子を生成するステップと、
前記マスターノードが、前記第3の生成識別子を前記第1のワークロードと関連付けるステップと、
前記マスターノードが、前記第3の生成識別子を前記第2のワーカーノードに伝達するステップと、
をさらに含む、請求項2に記載のシステム。 - 前記第2の生成識別子を伝達するステップが、前記第1のワーカーノードが依然として前記第1のワークロードを処理していると判定される場合に、前記第2のワーカーノードが前記第1のワーカーノードを妨害すべきではない旨の指標を送信するステップを含む、
請求項1に記載のシステム。 - 前記第1の生成識別子および前記第2の生成識別子がそれぞれ、少なくとも2つの部分で構成され、前記少なくとも2つの部分がそれぞれ優先度を示す、請求項1に記載のシステム。
- 前記少なくとも2つの部分のうちの1つによる優先度の指標が、前記少なくとも2つの部分のうちの別の部分により示される優先度が先行するように、前記少なくとも2つの部分それぞれにより示される前記優先度が重み付けされた、請求項5に記載のシステム。
- コンピュータ実装方法であって、
対象データに対する第1のアクセス要求を受信するステップであって、前記対象データがストレージシステムにより格納され、前記第1のアクセス要求が第1の生成識別子および第1のワークロード識別子と関連付けられた、ステップと、
前記第1の生成識別子および前記第1のワークロード識別子を第1の格納生成識別子および第1の格納ワークロード識別子として、前記ストレージシステムの持続的ストレージに格納するステップと、
前記対象データに対する前記第1のアクセス要求を許可するステップと、
前記対象データに対する第2のアクセス要求を受信するステップであって、前記第2のアクセス要求が第2の生成識別子および前記第1のワークロード識別子と関連付けられた、ステップと、
前記第2の生成識別子を前記第1の格納生成識別子と比較し、前記第1のワークロード識別子を前記第1の格納ワークロード識別子と比較するステップと、
前記第2の生成識別子が前記第1の格納生成識別子よりも高い優先度を示し、前記第1のワークロード識別子が前記第1の格納ワークロード識別子に一致するものと判定するステップと、
前記第2の生成識別子を第2の格納生成識別子として持続的ストレージに格納するステップと、
前記対象データに対する前記第2のアクセス要求を許可するステップと、
前記対象データに対する第3のアクセス要求を受信するステップであって、前記第3のアクセス要求が前記第1の生成識別子および前記第1のワークロード識別子と関連付けられた、ステップと、
前記第1の生成識別子が前記第2の格納生成識別子よりも低い優先度を示し、前記第1のワークロード識別子が前記第1の格納ワークロード識別子に一致するものと判定するステップと、
前記対象データに対する前記第3のアクセス要求を拒絶するステップと、
を含む、方法。 - 前記第1のアクセス要求および前記第3のアクセス要求が、第1のノードから受信され、前記第2のアクセス要求が、第2のノードから受信され、前記対象データに対する前記第3のアクセス要求を拒絶するステップが、前記第1のワークロード識別子に関連付けられた第1のワークロードが前記第2のノードに対して再割り当てされた旨の指標を前記第1のノードに提供するステップを含む、請求項7に記載の方法。
- 前記第3のアクセス要求を拒絶するステップが、前記第1の生成識別子が前記第2の格納生成識別子よりも低い優先度を示す旨の指標を提供するステップを含む、請求項7に記載の方法。
- 前記第3のアクセス要求が、第1のノードから受信され、
前記対象データに対する第4のアクセス要求を第2のノードから受信するステップであって、前記第4のアクセス要求が第3の生成識別子および前記第1のワークロード識別子と関連付けられ、前記要求が許容状態である旨の指標を含む、ステップと、
前記第3の生成識別子が前記第2の格納生成識別子よりも高い優先度を示すものと判定するステップと、
前記ストレージシステムが依然として前記第1のノードと通信可能であるものと判定するステップと、
前記対象データに対する前記第4のアクセス要求を拒絶するステップと、
をさらに含む、請求項7に記載の方法。 - 前記第4のアクセス要求を拒絶するステップが、前記ストレージシステムが依然として前記第1のノードと通信可能である旨の指標を前記第2のノードに提供するステップを含む、請求項10に記載の方法。
- 前記第1のアクセス要求の許可に際して、前記対象データをロックするステップと、
前記第2のアクセス要求の許可後、前記対象データの前記ロックを解除して、前記第1の格納生成識別子を持続的ストレージから削除するステップと、
をさらに含む、請求項7に記載の方法。 - 前記第1の生成識別子、前記第2の生成識別子、および第3の生成識別子がそれぞれ、少なくとも2つの部分で構成され、前記少なくとも2つの部分がそれぞれ優先度を示す、請求項7に記載の方法。
- 前記少なくとも2つの部分のうちの1つによる優先度の指標が、前記少なくとも2つの部分のうちの別の部分により示される優先度が先行するように、前記少なくとも2つの部分それぞれにより示される前記優先度が重み付けされた、請求項7に記載の方法。
- 前記第2のアクセス要求を許可するかを判定するステップが、
前記第2の生成識別子が前記第1の生成識別子よりも低い優先度を示す場合、
前記ストレージシステムが、前記第1のワークロードが処理されていることを前記第2のワーカーノードに通知するステップと、
前記第2の生成識別子が前記第1の生成識別子よりも高い優先度を示す場合、
前記ストレージシステムが、前記第2のアクセス要求を許可するステップと、
前記ストレージシステムが、前記第1のワークロードが再割り当てされた旨の指標を前記第1のワーカーノードに送信するステップと
をさらに含む、請求項1に記載のシステム。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/457,842 US9847918B2 (en) | 2014-08-12 | 2014-08-12 | Distributed workload reassignment following communication failure |
US14/457,842 | 2014-08-12 | ||
PCT/US2015/044404 WO2016025354A1 (en) | 2014-08-12 | 2015-08-10 | Distributed workload reassignment following communication failure |
Publications (3)
Publication Number | Publication Date |
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JP2017530437A JP2017530437A (ja) | 2017-10-12 |
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