CN109542338A - A kind of realization distributed memory system interior joint consistency on messaging method and device - Google Patents
A kind of realization distributed memory system interior joint consistency on messaging method and device Download PDFInfo
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- CN109542338A CN109542338A CN201811222429.XA CN201811222429A CN109542338A CN 109542338 A CN109542338 A CN 109542338A CN 201811222429 A CN201811222429 A CN 201811222429A CN 109542338 A CN109542338 A CN 109542338A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0602—Interfaces specially adapted for storage systems specifically adapted to achieve a particular effect
- G06F3/0614—Improving the reliability of storage systems
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
- G06F3/0629—Configuration or reconfiguration of storage systems
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0668—Interfaces specially adapted for storage systems adopting a particular infrastructure
- G06F3/067—Distributed or networked storage systems, e.g. storage area networks [SAN], network attached storage [NAS]
Abstract
The embodiment of the present application, which discloses, realizes distributed memory system interior joint consistency on messaging method and apparatus, it specifically can be according to the trigger action of user, create new Map Volume, and the configuration information of the Map Volume is set, whether normal detect each node serve simultaneously, if node serve is normal, the configuration information of the Map Volume is added in the corresponding configuration file of the node；If certain node serve is abnormal, then timing detection procedure is created for the node, to be timed detection to the service abnormal nodes, when the node serve restores normal, from the configuration information for extracting Map Volume in the node for be completed addition and it is synchronized in the configuration file of the node, so that the configuration information of each node is consistent in distributed memory system, so in guarantee system each node block storage service it is normal.
Description
Technical field
This application involves computer memory technical fields, and in particular to a kind of realization distributed memory system interior joint information
Coherence method and device.
Background technique
With the fast development of computer technology, storage application demand is also being continuously improved in user.It is extensive to meet
The demand of application is stored, distributed memory system uses expansible system structure, is divided into storage using more storage servers
Load integrates more storage servers, then data storage is dispersed in more independent equipment, raising is deposited
Store up efficiency.
In practical application, user can create Map Volume according to self-demand in distributed memory system, to incite somebody to action
Data needed for itself are stored in corresponding Map Volume.When carrying out Map Volume creation, system can into cluster each node
The configuration information of the Map Volume is added in block storage service configuration file.
However, causing to add into the configuration file of the node new when the block storage service failure of certain node or closing
Build the operation failure of the configuration information of Map Volume.When the node failure restores or opens, configuration file corresponding with other nodes
In configuration information it is inconsistent, cause the node that can not provide storage service for user.
Summary of the invention
In view of this, the embodiment of the present application provide a kind of realization distributed memory system interior joint consistency on messaging method and
Device, to guarantee the accordant configuration information of Map Volume between each node in distributed memory system.
To solve the above problems, technical solution provided by the embodiments of the present application is as follows:
The application first aspect provides a kind of realization distributed memory system interior joint consistency on messaging method, and described point
Cloth storage system includes at least two nodes, which comprises
In response to the trigger action of user, Map Volume is created, and the configuration information of the Map Volume is set；
For any one of node, whether normal the node serve is detected；
When the node serve exception, timing detection procedure is created, periodically to detect the service state of the node；
When the service state of the node restores normal, the configuration information of the Map Volume is extracted from remaining node,
It is synchronized to the configuration file of the node；Remaining described node is not occur the node of exception service.
In one possible implementation, the method also includes:
When the node serve is normal, that the Map Volume is added in the corresponding configuration file of Xiang Suoshu node matches confidence
Breath；Each node is corresponding with the configuration file.
In one possible implementation, after the creation Map Volume, the method also includes:
Modification configuration file instruction is sent to the node；The node is each section in the distributed memory system
Point.
In one possible implementation, the method also includes:
When the node serve exception, the information of record service abnormal nodes；The packet of the service abnormal nodes
It includes the service abnormal nodes ID and the service abnormal time occurs in the service abnormal nodes；
When the service state when the node restores normal, matching for the Map Volume is extracted from node described in remaining
Confidence breath, is synchronized to the configuration file of the node, comprising:
According to the information of the service abnormal nodes, the configuration information of the Map Volume is extracted from node described in remaining,
It is synchronized to the configuration file of the node.
In one possible implementation, the method also includes:
When all nodes complete configuration file modification, successfully modified prompt information is sent.
The application second aspect provides a kind of realization distributed memory system interior joint consistency on messaging device, and described point
Cloth storage system includes at least two nodes, and described device includes:
First creating unit creates Map Volume for the trigger action in response to user, and matching for the Map Volume is arranged
Confidence breath；
Whether normal detection unit detects the node serve for being directed to any one of node；
Second creating unit, for creating timing detection procedure when the node serve exception, described in timing detection
The service state of node；
Synchronization unit, for extracting the mapping from remaining node when the service state of the node restores normal
The configuration information of volume is synchronized to the configuration file of the node；Remaining described node is not occur the node of exception service.
In one possible implementation, described device further include:
Adding unit, described in being added when the node serve is normal, in the corresponding configuration file of Xiang Suoshu node
The configuration information of Map Volume；Each node is corresponding with the configuration file.
In one possible implementation, described device further include:
Transmission unit, for sending modification configuration file instruction to the node；The node is the distributed storage
Each node in system.
In one possible implementation, described device further include:
Recording unit, for when the node serve exception, record to service the information of abnormal nodes；The service is abnormal
The information of node includes that the service abnormal nodes ID and the service abnormal nodes service abnormal time occur；
The synchronization unit is extracted from node described in remaining specifically for the information according to the service abnormal nodes
The configuration information of the Map Volume is synchronized to the configuration file of the node.
In one possible implementation, described device further include:
Transmission unit, for sending successfully modified prompt when all nodes complete configuration file modification
Information.
It can be seen that the embodiment of the present application has the following beneficial effects:
The embodiment of the present application is directed to distributed memory system, can create new reflect according to the trigger action of user first
Volume is penetrated, and the configuration information of the Map Volume is set, while whether detect each node serve normal, if node serve is normal,
The configuration information of the Map Volume is added in the corresponding configuration file of the node；If certain node serve is abnormal, for node wound
Timing detection procedure is built, to be timed detection to the service abnormal nodes, when the node serve restores normal, from being completed
The configuration information of Map Volume is extracted in the node of addition and is synchronized in the configuration file of the node, so that distributed memory system
In the configuration information of each node be consistent, and then in guarantee system each node block storage service it is normal.
Detailed description of the invention
Fig. 1 is the block schematic illustration of exemplary application scene provided by the embodiments of the present application；
Fig. 2 is a kind of stream for realizing distributed memory system interior joint consistency on messaging method provided by the embodiments of the present application
Cheng Tu；
Fig. 3 is a kind of frame for realizing distributed memory system interior joint consistency on messaging method provided by the embodiments of the present application
Frame figure；
Fig. 4 is a kind of realization distributed memory system interior joint consistency on messaging apparatus structure provided by the embodiments of the present application
Figure.
Specific embodiment
In order to make the above objects, features, and advantages of the present application more apparent, with reference to the accompanying drawing and it is specific real
Mode is applied to be described in further detail the embodiment of the present application.
Technical solution provided by the present application for ease of understanding will first be illustrated the background technique of the application below.
Inventor has found in the research of each node profile in traditional modification distributed memory system, traditional technology
In, when carrying out Map Volume creation, system can be added in the configuration file of each node into cluster the Map Volume with confidence
Breath.However, when certain node occur service it is abnormal when, system can send service abnormal prompt, with prompt user's node failure without
Method adds the configuration information of Map Volume in the configuration file of the node, and behaviour is not further processed to the malfunctioning node
Make, when the malfunctioning node restores and the configuration information of other nodes is inconsistent, and then influences the block storage service of the node.
Based on this, the embodiment of the present application provide a kind of realization distributed memory system interior joint consistency on messaging method and
When newly creation Map Volume the configuration information of the Map Volume is arranged, and detect each node in distributed memory system in device
Service state creates timing detection procedure when certain node serve exception for the node, to detect the service state of the node,
When the node restores normal, the configuration information of Map Volume is extracted from remaining node, is synchronized in the configuration file of the node,
To the accordant configuration information of each node in guarantee system, and then guarantee that each node can provide block storage service for user.
Referring to Fig. 1, which is the block schematic illustration of exemplary application scene provided by the embodiments of the present application.Wherein, this Shen
Please embodiment provide realization distributed memory system interior joint consistency on messaging method can be applied to distributed memory system
It may include server node 1 and server node 2 in the system in 20.
When practical application, user can trigger the request of creation Map Volume, distributed memory system 20 by client 10
Map Volume is created according to request to create, and the service state of each node is created when certain service node occurs abnormal in detection system
Detection procedure is built periodically to detect the service state of the node.When the node restores normal, mapping is extracted from remaining node
The configuration information of volume, is synchronized in the configuration file of the node, to guarantee the accordant configuration information of each node.
It will be understood by those skilled in the art that block schematic illustration shown in FIG. 1 is only that presently filed embodiment can be
An example being wherein achieved.The scope of application of the application embodiment is not limited by any aspect of the frame.
It should be noted that the client 10 in the embodiment of the present application can be equipped in terminal, terminal can be existing
, it is researching and developing or in the future research and development, can by it is any type of wiredly and/or wirelessly connection (for example, Wi-Fi, LAN,
Honeycomb, coaxial cable etc.) realize any user equipment interacted with distributed memory system 20, including but not limited to: existing,
Smart phones researching and developing or research and development in the future, non-smart mobile phone, tablet computer, laptop PC, desktop type
People's computer, minicomputer, medium-size computer, mainframe computer etc..It is also to be noted that being distributed in the embodiment of the present application
Formula storage system 20 can be it is existing, researching and developing or in the future research and development, can provide a user data-storage applications clothes
One example of the equipment of business.Presently filed embodiment is unrestricted in this regard.
Technical solution provided by the present application for ease of understanding, below in conjunction with attached drawing to storage snapshot class provided by the present application
Type method for transformation is illustrated.
Referring to fig. 2, which is that a kind of realization distributed memory system interior joint information provided by the embodiments of the present application is consistent
Property method flow chart, wherein distributed memory system include at least two nodes, as shown in Fig. 2, this method may include:
S201: in response to the trigger action of user, Map Volume is created, and the configuration information of the Map Volume is set.
In the present embodiment, user can initiate the request of creation Map Volume by client according to the storage demand of itself,
Distributed memory system carries out the creation of Map Volume according to request to create.Meanwhile the configuration information of the Map Volume is set
It sets, the information such as the memory space of the ID of the Map Volume, creation time and the Map Volume specifically can be set.
S202: being directed to any one node, and whether detection node service is normal.
In practical applications, after Map Volume, which creates, to be completed, system can be in the block storage service configuration file of each node
The middle configuration information for adding the Map Volume, so that the Map Volume can have mapping on each node.
When to avoid certain node failure in system, addition is caused to fail, it can be before adding configuration information, in system
The service state of each node detected, to know whether the node is able to carry out the addition of configuration information.
In specific implementation, after the completion of Map Volume creation, the instruction of modification configuration file can be sent to each node,
And each node is detected according to the modification instruction issued.Wherein, each node respectively corresponds a configuration file in system.
S203: when node serve exception, timing detection procedure is created, with the service state of timing detection node.
In the present embodiment, when detecting the joint block storage service exception, timing detection procedure is created for the node, with
Timing detects the service state of the node.Wherein, the service state of node includes normal and abnormal.
In practical applications, the fast storage service of node is it is possible that close or the case where failure, so as to cause that can not repair
Change the configuration information of node profile, therefore, when service exception occurs in node, detection is timed to the node, with inspection
Whether the service state for surveying the node changes.
S204: when the service state of node restores normal, extracting the configuration information of Map Volume from remaining node, synchronous
To the configuration file of node.
It, then can be from the configuration text of other nodes when the block storage service of abnormal nodes restores normal in the present embodiment
The configuration information of newly-built Map Volume is extracted in part, and the configuration information is synchronized in the configuration file of the node, realizes system
The accordant configuration information of each node in system, to guarantee that newly created Map Volume has mapping on each node, that is, respectively
Node preserves the relevant information of the Map Volume, such as the ID of the Map Volume, creation time, memory space etc..Wherein,
Remaining node is not occur the node of exception service in system, and the configuration information of Map Volume has been added in the configuration file of the node.
In practical applications, when S202 detects that certain node serve is normal, then the configuration to not occurring abnormal node
File is modified, and the configuration information of the Map Volume is added in the corresponding configuration file of the node.When appearance service exception
When node restores normal, the configuration information of Map Volume is extracted from above-mentioned node, and the configuration information of extraction is added to extensive
Again in the corresponding configuration file of normal node.
In one possible implementation, in specific implementation, when detecting certain node serve exception, system can be with
The information of recording exceptional node, the information may include the ID for service abnormal nodes occur and the time for service exception occur.
When node restores normal, the configuration information of Map Volume can be extracted from remaining node according to above- mentioned information, and be synchronized to section
In the configuration file of point.
In specific implementation, when node restores normal, system can be according to the temporal information of record, from remaining node
The configuration information that Map Volume is created after the time point is extracted, to guarantee the integrality of the configuration information of the node profile
And it is added without configuration information is repeated.
In one possible implementation, when nodes all in system complete configuration file modification, system can be with
Successfully modified prompt information is sent to client, to prompt the configuration file of all nodes of user successfully modified, thus convenient
User carries out subsequent storage operation.
The embodiment of the present application can create new Map Volume, and the Map Volume is arranged according to the trigger action of user first
Configuration information, whether while it is normal to detect each node serve, if node serve is normal, in the corresponding configuration text of the node
The configuration information of the Map Volume is added in part；If certain node serve is abnormal, timing detection procedure is created for the node, to this
Service abnormal nodes are timed detection, and when the node serve restores normal, mapping is extracted from the node for be completed addition
The configuration information of volume is simultaneously synchronized in the configuration file of the node, so that the configuration information of each node is protected in distributed memory system
Hold it is consistent, and then in guarantee system each node block storage service it is normal.
For ease of understanding, realization distributed memory system interior joint consistency on messaging frame diagram shown in Figure 3, first root
According to the trigger request of user, Map Volume is created within the storage system, whether for each node, it is normal to detect the node serve,
If the node serve is normal, the configuration information of Map Volume is added in the corresponding configuration file of the node.If the node takes
Business is abnormal, creates periodic monitor process, to monitor the service state of the node, and whether the service for monitoring the node again restores
Normally, if so, extracting the configuration information of Map Volume from the configuration file of other nodes, synchronizing information is carried out to the node；
If continuing the service state for monitoring the node without recovery.
Based on above method embodiment, the embodiment of the present application also provides a kind of realization distributed memory system interior joint letters
Coherence method and device are ceased, the device is illustrated below in conjunction with attached drawing.
Referring to fig. 4, which is that a kind of realization distributed memory system interior joint information provided by the embodiments of the present application is consistent
Property method and device structure chart, as shown in figure 4, the distributed memory system includes at least two nodes, which be can wrap
It includes:
First creating unit 401 creates Map Volume for the trigger action in response to user, and the Map Volume is arranged
Configuration information；
Whether normal detection unit 402 detects the node serve for being directed to any one of node；
Second creating unit 403, for timing detection procedure being created, periodically to detect when the node serve exception
The service state of the node；
Synchronization unit 404, for being reflected described in extraction from remaining node when the service state of the node restores normal
The configuration information for penetrating volume is synchronized to the configuration file of the node；Remaining described node is not occur the node of exception service.
In one possible implementation, described device further include:
Adding unit, described in being added when the node serve is normal, in the corresponding configuration file of Xiang Suoshu node
The configuration information of Map Volume；Each node is corresponding with the configuration file.
In one possible implementation, described device further include:
Transmission unit, for sending modification configuration file instruction to the node；The node is the distributed storage
Each node in system.
In one possible implementation, described device further include:
Recording unit, for when the node serve exception, record to service the information of abnormal nodes；The service is abnormal
The information of node includes that the service abnormal nodes ID and the service abnormal nodes service abnormal time occur；
The synchronization unit is extracted from node described in remaining specifically for the information according to the service abnormal nodes
The configuration information of the Map Volume is synchronized to the configuration file of the node.
In one possible implementation, described device further include:
Transmission unit, for sending successfully modified prompt when all nodes complete configuration file modification
Information.
It should be noted that the realization of each unit may refer to the realization of embodiment of the method shown in Fig. 2 in the present embodiment, this
Details are not described herein for embodiment.
Through the foregoing embodiment, the embodiment of the present application is directed to distributed memory system, first can be according to the triggering of user
Operation, creates new Map Volume, and the configuration information of the Map Volume is arranged, while whether detect each node serve normal, if
Node serve is normal, then the configuration information of the Map Volume is added in the corresponding configuration file of the node；If certain node serve is different
Often, then timing detection procedure is created for the node, to be timed detection to the service abnormal nodes, when the node serve restores
When normal, from the configuration information for extracting Map Volume in the node for be completed addition and it is synchronized in the configuration file of the node, makes
In distributed memory system the configuration information of each node be consistent, and then in guarantee system each node block storage service just
Often.
It should be noted that each embodiment in this specification is described in a progressive manner, each embodiment emphasis is said
Bright is the difference from other embodiments, and the same or similar parts in each embodiment may refer to each other.For reality
For applying system or device disclosed in example, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, phase
Place is closed referring to method part illustration.
It should be appreciated that in this application, " at least one (item) " refers to one or more, and " multiple " refer to two or two
More than a."and/or" indicates may exist three kinds of relationships, for example, " A and/or B " for describing the incidence relation of affiliated partner
It can indicate: only exist A, only exist B and exist simultaneously tri- kinds of situations of A and B, wherein A, B can be odd number or plural number.Word
Symbol "/" typicallys represent the relationship that forward-backward correlation object is a kind of "or"." at least one of following (a) " or its similar expression, refers to
Any combination in these, any combination including individual event (a) or complex item (a).At least one of for example, in a, b or c
(a) can indicate: a, b, c, " a and b ", " a and c ", " b and c ", or " a and b and c ", and wherein a, b, c can be individually, can also
To be multiple.
It should also be noted that, herein, relational terms such as first and second and the like are used merely to one
Entity or operation are distinguished with another entity or operation, without necessarily requiring or implying between these entities or operation
There are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant are intended to contain
Lid non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
The step of method described in conjunction with the examples disclosed in this document or algorithm, can directly be held with hardware, processor
The combination of capable software module or the two is implemented.Software module can be placed in random access memory (RAM), memory, read-only deposit
Reservoir (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technology
In any other form of storage medium well known in field.
The foregoing description of the disclosed embodiments makes professional and technical personnel in the field can be realized or use the application.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the application.Therefore, the application
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (10)
1. a kind of realization distributed memory system interior joint consistency on messaging method, which is characterized in that the distributed storage system
System includes at least two nodes, which comprises
In response to the trigger action of user, Map Volume is created, and the configuration information of the Map Volume is set；
For any one of node, whether normal the node serve is detected；
When the node serve exception, timing detection procedure is created, periodically to detect the service state of the node；
When the service state of the node restores normal, the configuration information of the Map Volume is extracted from remaining node, it is synchronous
To the configuration file of the node；Remaining described node is not occur the node of exception service.
2. the method according to claim 1, wherein the method also includes:
When the node serve is normal, the configuration information of the Map Volume is added in the corresponding configuration file of Xiang Suoshu node；
Each node is corresponding with the configuration file.
3. according to the method described in claim 2, it is characterized in that, after the creation Map Volume, the method also includes:
Modification configuration file instruction is sent to the node；The node is each node in the distributed memory system.
4. the method according to claim 1, wherein the method also includes:
When the node serve exception, the information of record service abnormal nodes；The information of the service abnormal nodes includes institute
It states service abnormal nodes ID and the service abnormal time occurs in the service abnormal nodes；
When the service state when the node restores normal, extracted from node described in remaining Map Volume with confidence
Breath, is synchronized to the configuration file of the node, comprising:
According to the information of the service abnormal nodes, the configuration information of the Map Volume is extracted from node described in remaining, it is synchronous
To the configuration file of the node.
5. method according to any one of claims 1 to 4, which is characterized in that the method also includes:
When all nodes complete configuration file modification, successfully modified prompt information is sent.
6. a kind of realization distributed memory system interior joint consistency on messaging device, which is characterized in that the distributed storage system
System includes at least two nodes, and described device includes:
First creating unit creates Map Volume for the trigger action in response to user, and be arranged the Map Volume with confidence
Breath；
Whether normal detection unit detects the node serve for being directed to any one of node；
Second creating unit, for timing detection procedure being created, periodically to detect the node when the node serve exception
Service state；
Synchronization unit, for extracting the Map Volume from remaining node when the service state of the node restores normal
Configuration information is synchronized to the configuration file of the node；Remaining described node is not occur the node of exception service.
7. device according to claim 6, which is characterized in that described device further include:
Adding unit, for adding the mapping in the corresponding configuration file of Xiang Suoshu node when the node serve is normal
The configuration information of volume；Each node is corresponding with the configuration file.
8. device according to claim 7, which is characterized in that described device further include:
Transmission unit, for sending modification configuration file instruction to the node；The node is the distributed memory system
In each node.
9. device according to claim 6, which is characterized in that described device further include:
Recording unit, for when the node serve exception, record to service the information of abnormal nodes；The service abnormal nodes
Information include that the service abnormal nodes ID and the service abnormal nodes service abnormal time occur；
The synchronization unit, specifically for the information according to the service abnormal nodes, from node described in remaining described in extraction
The configuration information of Map Volume is synchronized to the configuration file of the node.
10. according to the described in any item devices of claim 6 to 9, which is characterized in that described device further include:
Transmission unit, for sending successfully modified prompt information when all nodes complete configuration file modification.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111125219A (en) * | 2019-12-18 | 2020-05-08 | 紫光云(南京)数字技术有限公司 | Method for modifying Redis cluster parameters on cloud platform |
| CN112214466A (en) * | 2019-07-12 | 2021-01-12 | 海能达通信股份有限公司 | Distributed cluster system, data writing method, electronic equipment and storage device |
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