CN113326007A - Unstructured data federation storage method and device, terminal and storage medium - Google Patents
Unstructured data federation storage method and device, terminal and storage medium Download PDFInfo
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- 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
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- 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
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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
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Abstract
The invention discloses a method, a device, a terminal and a storage medium for storing unstructured data federation, wherein the method comprises the following steps: establishing a federal node unique identification code specification; establishing a federal node access specification according to the federal node unique identification code specification; registering the specification information of the federal node access specification to a registration center, and acquiring a brevity code returned by the registration center; and generating id for the object entity stored on the federal node according to the brevity code and the object id generation specification. The storage method provided by the invention has more efficient performance, and the reading speed can not be reduced according to the storage capacity by providing a plurality of NameNodes and providing services to the outside at the same time, so that the storable data volume is larger; meanwhile, the method has good expandability, can improve the storage efficiency by adding new NameNode and DataNode, and can not influence the existing data storage efficiency while increasing the storage capacity.
Description
Technical Field
The invention relates to the technical field of data storage, in particular to an unstructured data federation storage method, an unstructured data federation storage device, a terminal and a storage medium.
Background
At present, 80% of data in an enterprise is unstructured data, so the importance of massive unstructured data storage is seen. The existing mainstream unstructured data storage mode is to store unstructured data in an hdfs system by using a hadoop cluster. However, if the cluster storage capacity encounters a bottleneck and needs to be expanded, existing data needs to be migrated, so that the cluster expansion process is complex and inefficient.
Disclosure of Invention
The invention aims to provide an unstructured data federation storage method, an unstructured data federation storage device, a terminal and a storage medium, and aims to solve the problems that data migration is required and the process is complex in the existing cluster expansion.
In order to overcome the defects in the prior art, the invention provides an unstructured data federation storage method, which comprises the following steps:
establishing a federal node unique identification code specification;
establishing a federal node access specification according to the federal node unique identification code specification;
registering the specification information of the federal node access specification to a registration center, and acquiring a brevity code returned by the registration center;
and generating id for the object entity stored on the federal node according to the brevity code and the object id generation specification.
Further, the federal node access specification includes:
the method comprises the steps of unique identification codes of the federal nodes, main access domain names or vips, standby access domain names or vips, accepted service types and read function opening information.
Further, the unstructured data federation storage method further includes:
and establishing a federal node access gateway to realize the forwarding of the federal access request.
Further, the establishing a federated node access gateway to implement federated access request forwarding includes:
when the object storage request reaches the gateway layer, extracting the object entity and the accepted service type in the object storage request through the gateway layer,
acquiring federal node information of a service type accepted in a registration center as a first node;
and distributing the object storage request to any one of the first nodes according to the weighted polling.
Further, the establishing a federated node access gateway to implement federated access request forwarding further includes:
when an object reading request reaches a gateway layer, extracting id information in the object reading request through the gateway layer;
and acquiring federated node access address information from a registration center according to the federated node brevity code segmented from the id information, and forwarding the object reading request to a federated node of actual service.
Further, the unstructured data federation storage method further includes:
performing polling continuation according to a preset period through the federal node; and if the agreement is not continued, marking the Federal node to be offline through the registration center.
Further, the unstructured data federation storage method further includes:
and setting polling weight through the federal node successfully registered by the registration center so as to shunt and regulate the response pressure of the federal node.
The invention also provides an unstructured data federation storage device, which comprises:
the identification code specification generating unit is used for establishing a unique identification code specification of the federal node;
the access specification generating unit is used for establishing a federal node access specification according to the code of the unique identification code of the federal node;
the registration unit is used for registering the specification information of the federated node access specification to a registration center and acquiring the brevity code returned by the registration center;
and the id generation unit is used for generating an id for the object entity stored on the federal node according to the brevity code and the object id generation specification.
The present invention also provides a terminal device, including:
one or more processors;
a memory coupled to the processor for storing one or more programs;
when executed by the one or more processors, cause the one or more processors to implement an unstructured-data federated storage method as any one of the above.
The present invention also provides a computer readable storage medium having stored thereon a computer program for execution by a processor to implement the method of federated storage of unstructured data as described in any of the above.
Compared with the prior art, the invention has the beneficial effects that:
1) the method has more efficient performance, provides a plurality of NameNodes and provides services to the outside simultaneously, so that the reading speed cannot be reduced according to the storage capacity;
2) the amount of data that can be stored is larger;
3) the method has good expandability, can improve the storage efficiency by adding new NameNode and DataNode, and can increase the storage capacity without influencing the existing data storage.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic flow chart of an unstructured data federation storage method according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an unstructured data federation storage device according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be understood that the step numbers used herein are for convenience of description only and are not intended as limitations on the order in which the steps are performed.
It is to be understood that the terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the specification of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
The terms "comprises" and "comprising" indicate the presence of the described features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
The term "and/or" refers to and includes any and all possible combinations of one or more of the associated listed items.
In a first aspect:
referring to fig. 1, an embodiment of the present invention provides an unstructured data federation storage method, including:
s10, establishing a federal node unique identification code specification;
s20, establishing a federal node access specification according to the code of the unique identifier of the federal node;
s30, registering the specification information of the Federal node access specification to a registration center, and acquiring the brevity code returned by the registration center;
and S40, generating id for the object entity stored on the federal node according to the brevity code and the object id generation specification.
In this embodiment, it should be noted that the unstructured data object storage technology is a basic unit for storing a storage object, a bucket is a container for storing the storage object, each bucket has attributes such as its storage category and access right, and the bucket can be located by an access domain name of the bucket on the internet. The mainstream storage mode of unstructured data at present is an hdfs system that stores unstructured data by using a hadoop cluster. However, this method needs to write data block by block, so the storage process is very slow and inefficient, and the throughput of the whole HDFS file system is limited by the throughput of a single NameNode, which becomes the performance bottleneck of HDFS. Therefore, the present embodiment mainly intends to provide an efficient data storage method.
Specifically, a federal node unique identification code specification is established in step S10; it should be noted that the unique identifier name of the federate node is named in a form of a geographical space location name abbreviation plus a numerical sequence number where the storage server is located, wherein the naming structure is as follows: "national-province-city-machine room serial number-cluster serial number". For example, the unique identifier of the unstructured storage cluster established in the patrol No. 1 machine room of Zhaoqing city, Guangdong province, China is as follows: "cn-gd-zq-jx 01-01".
Further, a federal node access specification is established in step S20; when the federal node accesses the federal registration center, the node must provide the following information, including: the unique identification code of the federal node, the main access domain name or vip, the standby access domain name or vip, the type of the accepted service and the information of whether the reading function is open or not.
Next, at S30, the information of the federal node access specification is used to register in the registry, and the brevity code returned by the registry is obtained.
In this embodiment, a registry of the federation cluster is preferably constructed by adopting a zookeeper cluster with three nodes, each federation node registers the specification information agreed in the step S20 to the registry through a registry http service, and obtains a brevity code returned by the registry. The brevity code is globally unique in a registration center and corresponds to the federal nodes one by one; the abbreviated code format is full alphabetic, all-digital, or a combination of alphanumeric. For example: and the unique identifier of the federal node is 'cn-gz-zq-jx 01-01', and the brevity code is's 001' after the registration is successful.
In one embodiment, the federal node needs to poll for renewal at a preset period, for example, once every 2 seconds; if no renewal is made, the registry marks the federated node down-line and does not respond to any object store and read requests. It is understood that the polling duration of 2 seconds is only a preferred mode of the embodiment, and in practical applications, the preset period can be selected according to requirements, and is not limited herein.
In one embodiment, the registry may set polling weights for federated nodes that have registered with the registry for offloading regulatory response pressure from each federated node.
And S40, generating id for the object entity stored on the federal node according to the brevity code and the object id generation specification.
Upon receiving the brevity code in step S30, step S40 primarily implements data storage and generates a canonical id for the object entity. The generation specification of the federal node object id is as follows: when the object entity is stored in the federal node, the node generates a uuid, and takes the node brevity code input parameter issued by the receiving registration center as a primary key suffix, and the node brevity code input parameter is spliced into a unique id by means of "-" segmentation, and the unique id is used as a unique identifier of the object stored in the node.
For example: when a picture is stored in the federal node with s001 brevity code, the issued component id is "756 d19c3f07b-812e5a1cd83eac702bb6-s 001".
In one embodiment, the unstructured-data federated storage method further includes: and establishing a federal node access gateway to realize the forwarding of the federal access request.
It should be noted that, when the object storage request reaches the gateway layer, the gateway layer extracts the object entity and the service type information in the request, obtains the federal node information of all the objects receiving the service type modification in the registry, and polls and distributes the federal node information to one of the nodes according to the weight;
when the object reading request reaches the gateway layer, the gateway layer extracts the id information in the object request, obtains the federated node access address information from the registration center by segmenting the federated node brevity code at the end of the id, and forwards the request to the federated node of the actual service to complete the acquisition of the object entity.
The federated storage method provided by the invention has more efficient performance, can provide a plurality of NameNodes and provide services to the outside at the same time, has good expandability, can increase the storage capacity by adding new NameNodes and DataNodes, and can not influence the existing data while increasing the storage capacity, therefore, the data migration is not needed, and the storage of the cluster is conveniently and rapidly expanded.
In a second aspect:
referring to fig. 2, an embodiment of the present invention further provides an unstructured data federation storage apparatus, including:
the identification code specification generating unit 01 is used for establishing a unique identification code specification of the federal node;
the access specification generating unit 02 is used for establishing a federal node access specification according to the code of the unique identifier of the federal node;
the registration unit 03 is configured to register specification information of the federal node access specification to a registration center, and acquire a brevity code returned by the registration center;
and the id generation unit 04 is used for generating an id for the object entity stored on the federal node according to the brevity code and the object id generation specification.
Further, in the unstructured-data federal storage device provided in this embodiment, the federal node access specification includes: the method comprises the steps of unique identification codes of the federal nodes, main access domain names or vips, standby access domain names or vips, accepted service types and read function opening information.
Further, when the unstructured-data federated storage device provided in this embodiment executes the storage method, a federated node access gateway is also established to implement the forwarding of a federated access request.
When the object storage request reaches the gateway layer, the gateway layer extracts object entities and service type information in the request, acquires all federal node information of the objects which accept the service type change in the registration center, and polls and distributes the federal node information to one node according to the weight;
when the object reading request reaches the gateway layer, the gateway layer extracts the id information in the object request, obtains the federated node access address information from the registration center by segmenting the federated node brevity code at the end of the id, and forwards the request to the federated node of the actual service to complete the acquisition of the object entity.
Further, when the unstructured data federation storage device provided by the embodiment executes the storage method, polling renewal is performed according to a preset period through a federation node; if no renewal is made, the registry marks the federated node down-line and does not respond to any object store and read requests.
Further, when the unstructured-data federated storage device provided by this embodiment executes the storage method, a polling weight is also set by the registration center for a federated node that has registered in the center, so as to shunt and regulate the response pressure of each federated node.
The federated storage device provided by the invention has more efficient performance, can provide a plurality of NameNodes and provide services to the outside at the same time, has good expandability, can increase the storage capacity by adding new NameNodes and DataNodes, and can not influence the existing data while increasing the storage capacity, therefore, the data migration is not needed, and the storage of the cluster is conveniently and rapidly expanded.
In a third aspect:
an embodiment of the present invention further provides a terminal device, including:
one or more processors;
a memory coupled to the processor for storing one or more programs;
when executed by the one or more processors, cause the one or more processors to implement the unstructured data federated storage method described above.
The processor is used for controlling the overall operation of the terminal equipment so as to complete all or part of the steps of the unstructured data federal storage method. The memory is used to store various types of data to support operation at the terminal device, and these data may include, for example, instructions for any application or method operating on the terminal device, as well as application-related data. The Memory may be implemented by any type of volatile or non-volatile Memory device or combination thereof, such as Static Random Access Memory (SRAM), Electrically Erasable Programmable Read-Only Memory (EEPROM), Erasable Programmable Read-Only Memory (EPROM), Programmable Read-Only Memory (PROM), Read-Only Memory (ROM), magnetic Memory, flash Memory, magnetic disk, or optical disk.
The terminal Device may be implemented by one or more Application Specific1 integrated circuits (AS 1C), a Digital Signal Processor (DSP), a Digital Signal Processing Device (DSPD), a Programmable Logic Device (PLD), a Field Programmable Gate Array (FPGA), a controller, a microcontroller, a microprocessor, or other electronic components, and is configured to perform the method for storing unstructured data federally AS described in any of the above embodiments, and achieve technical effects consistent with the above methods.
An embodiment of the present invention further provides a computer readable storage medium comprising program instructions which, when executed by a processor, implement the steps of the unstructured data federated storage method described in any of the above embodiments. For example, the computer readable storage medium may be the memory including the program instructions, which are executable by the processor of the terminal device to perform the method for storing the unstructured data federation as described in any one of the embodiments above, and achieve the technical effects consistent with the method described above.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (10)
1. An unstructured data federation storage method, comprising:
establishing a federal node unique identification code specification;
establishing a federal node access specification according to the federal node unique identification code specification;
registering the specification information of the federal node access specification to a registration center, and acquiring a brevity code returned by the registration center;
and generating id for the object entity stored on the federal node according to the brevity code and the object id generation specification.
2. The federated storage method of unstructured data according to claim 1, wherein the federated node access specifications include:
the method comprises the steps of unique identification codes of the federal nodes, main access domain names or vips, standby access domain names or vips, accepted service types and read function opening information.
3. The unstructured-data federated storage method of claim 2, further comprising:
and establishing a federal node access gateway to realize the forwarding of the federal access request.
4. The method for federated storage of unstructured data according to claim 3, wherein the establishing a federated node access gateway to implement federated access request forwarding comprises:
when the object storage request reaches the gateway layer, extracting the object entity and the accepted service type in the object storage request through the gateway layer,
acquiring federal node information of a service type accepted in a registration center as a first node;
and distributing the object storage request to any one of the first nodes according to the weighted polling.
5. The method for federated storage of unstructured data according to claim 4, wherein the establishing a federated node access gateway to implement federated access request forwarding further comprises:
when an object reading request reaches a gateway layer, extracting id information in the object reading request through the gateway layer;
and acquiring federated node access address information from a registration center according to the federated node brevity code segmented from the id information, and forwarding the object reading request to a federated node of actual service.
6. The unstructured-data federated storage method of any one of claims 1-5, further comprising:
performing polling continuation according to a preset period through the federal node; and if the agreement is not continued, marking the Federal node to be offline through the registration center.
7. The unstructured-data federated storage method of any one of claims 1-5, further comprising:
and setting polling weight through the federal node successfully registered by the registration center so as to shunt and regulate the response pressure of the federal node.
8. An unstructured data federated storage, comprising:
the identification code specification generating unit is used for establishing a unique identification code specification of the federal node;
the access specification generating unit is used for establishing a federal node access specification according to the code of the unique identification code of the federal node;
the registration unit is used for registering the specification information of the federated node access specification to a registration center and acquiring the brevity code returned by the registration center;
and the id generation unit is used for generating an id for the object entity stored on the federal node according to the brevity code and the object id generation specification.
9. A terminal device, comprising:
one or more processors;
a memory coupled to the processor for storing one or more programs;
when executed by the one or more processors, cause the one or more processors to implement the unstructured-data federated storage method of any of claims 1 to 7.
10. A computer-readable storage medium having a computer program stored thereon, the computer program being executable by a processor to implement the unstructured-data federated storage method defined in any one of claims 1 to 7.
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