CN114237519A - Method, device, equipment and medium for migrating object storage data - Google Patents
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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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- G06F3/0602—Interfaces specially adapted for storage systems specifically adapted to achieve a particular effect
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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
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
- G06F3/0646—Horizontal data movement in storage systems, i.e. moving data in between storage devices or systems
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- 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
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Abstract
The invention provides a method, a device, equipment and a readable medium for migrating object storage data, wherein the method comprises the following steps: synchronizing the information of the buckets at the source end and the index fragment information of the buckets to a target cluster in response to receiving a data migration instruction; acquiring the number of the index fragments of the storage bucket, and creating the same number of threads by the migration tool on the target cluster according to the number of the index fragments of the storage bucket; and the migration tool controls each thread to read index fragment information respectively and writes the corresponding object into the target cluster according to the index fragment information. By using the scheme of the invention, the performance and efficiency of data migration can be obviously improved.
Description
Technical Field
The present invention relates to the field of computers, and more particularly, to a method, an apparatus, a device and a readable medium for migrating object storage data.
Background
In the big data era, Object Storage Service (OSS) is an emerging massive, secure, low-cost, highly reliable Storage Service, and is suitable for storing any type of files. In the initial stage, a user can select to store massive files on a cloud storage server, but with the increasing data volume and the increasing storage cost, data on the cloud storage server is often migrated to a distributed storage server in a computer room, namely the data is often "cloud down", or the user needs to migrate own data from one set of storage server to another set of storage server, and the data migration between object storage clusters is involved. Common data migration strategies and services are selected to migrate by taking a bucket as a unit, but the migration strategies consume a lot of time, when there are a lot of objects in the bucket, the time consumption of objects in the list bucket is large, and the migration is a sequence of reading first and then writing, and reading and writing cannot be executed concurrently, and the migration can be performed only in a sequence of one by one, so that the efficiency is not very high.
Disclosure of Invention
In view of this, embodiments of the present invention provide a method, an apparatus, a device, and a readable medium for migrating object storage data, which can significantly improve performance and efficiency of data migration.
In view of the above object, an aspect of the embodiments of the present invention provides a method for migrating object storage data, including the following steps:
synchronizing the information of the buckets at the source end and the index fragment information of the buckets to a target cluster in response to receiving a data migration instruction;
acquiring the number of the index fragments of the storage bucket, and creating the same number of threads by the migration tool on the target cluster according to the number of the index fragments of the storage bucket;
and the migration tool controls each thread to read index fragment information respectively and writes the corresponding object into the target cluster according to the index fragment information.
According to an embodiment of the present invention, the migration tool controlling each thread to read index fragment information respectively, and writing a corresponding object into a destination cluster according to the index fragment information includes:
the migration tool controls each thread to read index fragment information respectively and analyzes the index fragment information to obtain object name information and storage path information corresponding to the index fragments;
the thread accesses the source end based on the storage path information and acquires an object corresponding to the name information;
and writing the acquired object into the destination cluster.
According to an embodiment of the present invention, further comprising:
and marking the index fragment information corresponding to the thread as migration completion in response to the object corresponding to the thread being written into the destination cluster.
According to an embodiment of the present invention, further comprising:
in response to all index sharding information being marked as migration complete, determining that data migration in a bucket is complete and initiating data migration of a next bucket.
In another aspect of the embodiments of the present invention, there is also provided an apparatus for migrating object storage data, including:
the synchronization module is configured to synchronize the storage bucket information of the source end and the index fragment information of the storage bucket to a destination cluster in response to receiving a data migration instruction;
the creating module is configured to acquire the number of the index fragments of the storage bucket, and the migration tool on the target cluster creates threads with the same number according to the number of the index fragments of the storage bucket;
and the migration module is configured to control each thread to read index fragment information respectively by the migration tool and write the corresponding object into the target cluster according to the index fragment information.
According to one embodiment of the invention, the migration module is further configured to:
the migration tool controls each thread to read index fragment information respectively and analyzes the index fragment information to obtain object name information and storage path information corresponding to the index fragments;
the thread accesses the source end based on the storage path information and acquires an object corresponding to the name information;
and writing the acquired object into the destination cluster.
According to an embodiment of the invention, the system further comprises a marking module configured to:
and marking the index fragment information corresponding to the thread as migration completion in response to the object corresponding to the thread being written into the destination cluster.
According to one embodiment of the invention, the marking module is further configured to:
in response to all index sharding information being marked as migration complete, determining that data migration in a bucket is complete and initiating data migration of a next bucket.
In another aspect of an embodiment of the present invention, there is also provided a computer apparatus including:
at least one processor; and
a memory storing computer instructions executable on the processor, the instructions when executed by the processor implementing the steps of any of the methods described above.
In another aspect of the embodiments of the present invention, there is also provided a computer-readable storage medium storing a computer program, which when executed by a processor implements the steps of any one of the above-mentioned methods.
The invention has the following beneficial technical effects: in the method for migrating object storage data provided by the embodiment of the present invention, the bucket information of the source end and the index fragment information of the bucket are synchronized to the destination cluster by responding to the received data migration instruction; acquiring the number of the index fragments of the storage bucket, and creating the same number of threads by the migration tool on the target cluster according to the number of the index fragments of the storage bucket; the migration tool controls each thread to read index fragment information respectively, and writes the corresponding object into the target cluster according to the index fragment information, so that the performance and efficiency of data migration can be improved remarkably.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art 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 embodiments can be obtained by using the drawings without creative efforts.
FIG. 1 is a schematic flow chart diagram of a method of object store data migration in accordance with one embodiment of the present invention;
FIG. 2 is a schematic diagram of an apparatus for object store data migration according to one embodiment of the present invention;
FIG. 3 is a schematic diagram of a computer device according to one embodiment of the present invention;
fig. 4 is a schematic diagram of a computer-readable storage medium according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the following embodiments of the present invention are described in further detail with reference to the accompanying drawings.
In view of the above object, a first aspect of the embodiments of the present invention proposes an embodiment of a method for migrating object storage data. Fig. 1 shows a schematic flow diagram of the method.
As shown in fig. 1, the method may include the steps of:
s1 synchronizes the bucket information of the source and the index shard information of the buckets into the destination cluster in response to receiving the instruction of data migration.
S2 obtains the number of index shards of the bucket, and the migration tool on the destination cluster creates the same number of threads according to the number of index shards of the bucket.
And S3 the migration tool controls each thread to read index fragment information respectively and writes the corresponding object into the destination cluster according to the index fragment information.
A migration tool is deployed on a new storage cluster (namely a destination), for example, a storage bucket is migrated, the storage bucket and index fragment information thereof are synchronized from an old storage cluster (namely a source end) to the new storage cluster (namely the destination end), then at the destination end, the migration tool starts N threads according to the number N of bucket index fragments, object information on the bucket index fragments is read, after the migration tool has the object information, the objects are read from the source end and written into the destination end, and the process is that the N threads are processed concurrently without mutual influence. The process of storing objects in the buckets by the full list is avoided, and meanwhile, migration is performed concurrently by taking the bucket index fragments as basic units, so that the data migration speed is increased.
By the technical scheme, the performance and efficiency of data migration can be obviously improved.
In a preferred embodiment of the present invention, the controlling, by the migration tool, each thread to read index fragment information respectively, and write a corresponding object into the destination cluster according to the index fragment information includes:
the migration tool controls each thread to read index fragment information respectively and analyzes the index fragment information to obtain object name information and storage path information corresponding to the index fragments;
the thread accesses the source end based on the storage path information and acquires an object corresponding to the name information;
and writing the acquired object into the destination cluster.
Firstly, a request is sent to a source end storage cluster, and a storage bucket and index fragment information thereof are obtained. Buckets (buckets) generally have the following information: bucket information bucket _ info (containing various bucket policies, bucket rule settings) and bucket index fragmentation information. Different object information in the bucket is recorded on each fragment, the default fragment is 128 (the default fragment is 128, the configuration file can be modified, and the following design method is described by taking 128 as an example), and the bucket index fragment object is: packet _ index.0, packet _ index.1 … packet _ index.127. Based on the bucket index fragment number 128, the data migration tool will initiate 128 data migration threads. Because the object information recorded on the bucket index fragment information is different, each data migration thread can be processed concurrently, and operations such as coverage and the like for deleting data by mistake can not be caused. For each data migration thread, the bucket index fragmentation information is read, the name information and the storage path information of the object are obtained, a request is sent to the source storage cluster based on the information of the storage bucket and the name of the object, the object is read, and then the object is written into the storage bucket corresponding to the destination storage cluster.
In a preferred embodiment of the present invention, the method further comprises:
and marking the index fragment information corresponding to the thread as migration completion in response to the object corresponding to the thread being written into the destination cluster.
In a preferred embodiment of the present invention, the method further comprises:
in response to all index sharding information being marked as migration complete, determining that data migration in a bucket is complete and initiating data migration of a next bucket. When the object is written into the storage bucket corresponding to the destination storage cluster, the index fragment information of the storage bucket of the destination is updated and marked as synchronized, and when all migration threads are completed, that is, all the index fragment information is marked as synchronized, the migration of the storage bucket and the objects in the storage bucket is completed, and the migration work of the next bucket can be started.
By the technical scheme, the performance and efficiency of data migration can be obviously improved.
It should be noted that, as will be understood by those skilled in the art, all or part of the processes in the methods of the above embodiments may be implemented by instructing relevant hardware through a computer program, and the above programs may be stored in a computer-readable storage medium, and when executed, the programs may include the processes of the embodiments of the methods as described above. The storage medium may be a magnetic disk, an optical disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), or the like. The embodiments of the computer program may achieve the same or similar effects as any of the above-described method embodiments.
Furthermore, the method disclosed according to an embodiment of the present invention may also be implemented as a computer program executed by a CPU, and the computer program may be stored in a computer-readable storage medium. The computer program, when executed by the CPU, performs the above-described functions defined in the method disclosed in the embodiments of the present invention.
In view of the above object, according to a second aspect of the embodiments of the present invention, there is provided an apparatus for migrating object storage data, as shown in fig. 2, an apparatus 200 includes:
the synchronization module is configured to synchronize the storage bucket information of the source end and the index fragment information of the storage bucket to a destination cluster in response to receiving a data migration instruction;
the creating module is configured to acquire the number of the index fragments of the storage bucket, and the migration tool on the target cluster creates threads with the same number according to the number of the index fragments of the storage bucket;
and the migration module is configured to control each thread to read index fragment information respectively by the migration tool and write the corresponding object into the target cluster according to the index fragment information.
In a preferred embodiment of the present invention, the migration module is further configured to:
the migration tool controls each thread to read index fragment information respectively and analyzes the index fragment information to obtain object name information and storage path information corresponding to the index fragments;
the thread accesses the source end based on the storage path information and acquires an object corresponding to the name information;
and writing the acquired object into the destination cluster.
In a preferred embodiment of the present invention, the system further comprises a marking module configured to:
and marking the index fragment information corresponding to the thread as migration completion in response to the object corresponding to the thread being written into the destination cluster.
In a preferred embodiment of the invention, the marking module is further configured to:
in response to all index sharding information being marked as migration complete, determining that data migration in a bucket is complete and initiating data migration of a next bucket.
In view of the above object, a third aspect of the embodiments of the present invention provides a computer device. Fig. 3 is a schematic diagram of an embodiment of a computer device provided by the present invention. As shown in fig. 3, an embodiment of the present invention includes the following means: at least one processor 21; and a memory 22, the memory 22 storing computer instructions 23 executable on the processor, the instructions when executed by the processor implementing the method of:
synchronizing the information of the buckets at the source end and the index fragment information of the buckets to a target cluster in response to receiving a data migration instruction;
acquiring the number of the index fragments of the storage bucket, and creating the same number of threads by the migration tool on the target cluster according to the number of the index fragments of the storage bucket;
and the migration tool controls each thread to read index fragment information respectively and writes the corresponding object into the target cluster according to the index fragment information.
In a preferred embodiment of the present invention, the controlling, by the migration tool, each thread to read index fragment information respectively, and write a corresponding object into the destination cluster according to the index fragment information includes:
the migration tool controls each thread to read index fragment information respectively and analyzes the index fragment information to obtain object name information and storage path information corresponding to the index fragments;
the thread accesses the source end based on the storage path information and acquires an object corresponding to the name information;
and writing the acquired object into the destination cluster.
In a preferred embodiment of the present invention, the method further comprises:
and marking the index fragment information corresponding to the thread as migration completion in response to the object corresponding to the thread being written into the destination cluster.
In a preferred embodiment of the present invention, the method further comprises:
in response to all index sharding information being marked as migration complete, determining that data migration in a bucket is complete and initiating data migration of a next bucket.
In view of the above object, a fourth aspect of the embodiments of the present invention proposes a computer-readable storage medium. FIG. 4 is a schematic diagram illustrating an embodiment of a computer-readable storage medium provided by the present invention. As shown in fig. 4, the computer-readable storage medium 31 stores a computer program 32 that, when executed by a processor, performs the method of:
synchronizing the information of the buckets at the source end and the index fragment information of the buckets to a target cluster in response to receiving a data migration instruction;
acquiring the number of the index fragments of the storage bucket, and creating the same number of threads by the migration tool on the target cluster according to the number of the index fragments of the storage bucket;
and the migration tool controls each thread to read index fragment information respectively and writes the corresponding object into the target cluster according to the index fragment information.
In a preferred embodiment of the present invention, the controlling, by the migration tool, each thread to read index fragment information respectively, and write a corresponding object into the destination cluster according to the index fragment information includes:
the migration tool controls each thread to read index fragment information respectively and analyzes the index fragment information to obtain object name information and storage path information corresponding to the index fragments;
the thread accesses the source end based on the storage path information and acquires an object corresponding to the name information;
and writing the acquired object into the destination cluster.
In a preferred embodiment of the present invention, the method further comprises:
and marking the index fragment information corresponding to the thread as migration completion in response to the object corresponding to the thread being written into the destination cluster.
In a preferred embodiment of the present invention, the method further comprises:
in response to all index sharding information being marked as migration complete, determining that data migration in a bucket is complete and initiating data migration of a next bucket.
Furthermore, the methods disclosed according to embodiments of the present invention may also be implemented as a computer program executed by a processor, which may be stored in a computer-readable storage medium. Which when executed by a processor performs the above-described functions defined in the methods disclosed in embodiments of the invention.
Further, the above method steps and system elements may also be implemented using a controller and a computer readable storage medium for storing a computer program for causing the controller to implement the functions of the above steps or elements.
Those of skill would further appreciate that the various illustrative logical blocks, modules, circuits, and algorithm steps described in connection with the disclosure herein may be implemented as electronic hardware, computer software, or combinations of both. To clearly illustrate this interchangeability of hardware and software, various illustrative components, blocks, modules, circuits, and steps have been described above generally in terms of their functionality. Whether such functionality is implemented as software or hardware depends upon the particular application and design constraints imposed on the overall system. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the disclosed embodiments of the present invention.
In one or more exemplary designs, the functions may be implemented in hardware, software, firmware, or any combination thereof. If implemented in software, the functions may be stored on or transmitted over as one or more instructions or code on a computer-readable medium. Computer-readable media includes both computer storage media and communication media including any medium that facilitates transfer of a computer program from one place to another. A storage media may be any available media that can be accessed by a general purpose or special purpose computer. By way of example, and not limitation, such computer-readable media can comprise RAM, ROM, EEPROM, CD-ROM or other optical disk storage, magnetic disk storage or other magnetic storage devices, or any other medium that can be used to carry or store desired program code in the form of instructions or data structures and that can be accessed by a general-purpose or special-purpose computer, or a general-purpose or special-purpose processor. Also, any connection is properly termed a computer-readable medium. For example, if the software is transmitted from a website, server, or other remote source using a coaxial cable, fiber optic cable, twisted pair, Digital Subscriber Line (DSL), or wireless technologies such as infrared, radio, and microwave, then the coaxial cable, fiber optic cable, twisted pair, DSL, or wireless technologies such as infrared, radio, and microwave are included in the definition of medium. Disk and disc, as used herein, includes Compact Disc (CD), laser disc, optical disc, Digital Versatile Disc (DVD), floppy disk, blu-ray disc where disks usually reproduce data magnetically, while discs reproduce data optically with lasers. Combinations of the above should also be included within the scope of computer-readable media.
The foregoing is an exemplary embodiment of the present disclosure, but it should be noted that various changes and modifications could be made herein without departing from the scope of the present disclosure as defined by the appended claims. The functions, steps and/or actions of the method claims in accordance with the disclosed embodiments described herein need not be performed in any particular order. Furthermore, although elements of the disclosed embodiments of the invention may be described or claimed in the singular, the plural is contemplated unless limitation to the singular is explicitly stated.
It should be understood that, as used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly supports the exception. It should also be understood that "and/or" as used herein is meant to include any and all possible combinations of one or more of the associated listed items.
The numbers of the embodiments disclosed in the embodiments of the present invention are merely for description, and do not represent the merits of the embodiments.
It will be understood by those skilled in the art that all or part of the steps for implementing the above embodiments may be implemented by hardware, or may be implemented by a program instructing relevant hardware, and the program may be stored in a computer-readable storage medium, and the above-mentioned storage medium may be a read-only memory, a magnetic disk or an optical disk, etc.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, of embodiments of the invention is limited to these examples; within the idea of an embodiment of the invention, also technical features in the above embodiment or in different embodiments may be combined and there are many other variations of the different aspects of the embodiments of the invention as described above, which are not provided in detail for the sake of brevity. Therefore, any omissions, modifications, substitutions, improvements, and the like that may be made without departing from the spirit and principles of the embodiments of the present invention are intended to be included within the scope of the embodiments of the present invention.
Claims (10)
1. A method for migration of object storage data, comprising the steps of:
synchronizing the information of the buckets at the source end and the index fragment information of the buckets to a target cluster in response to receiving a data migration instruction;
acquiring the number of the index fragments of the storage bucket, and creating the same number of threads by the migration tool on the target cluster according to the number of the index fragments of the storage bucket;
and the migration tool controls each thread to read index fragment information respectively and writes the corresponding object into the target cluster according to the index fragment information.
2. The method of claim 1, wherein the migration tool controls each thread to read index fragment information respectively, and writes the corresponding object into the destination cluster according to the index fragment information comprises:
the migration tool controls each thread to read index fragment information respectively and analyzes the index fragment information to obtain object name information and storage path information corresponding to the index fragments;
the thread accesses the source end based on the storage path information and acquires an object corresponding to the name information;
and writing the acquired object into the destination cluster.
3. The method of claim 1, further comprising:
and marking the index fragment information corresponding to the thread as migration completion in response to the object corresponding to the thread being written into the destination cluster.
4. The method of claim 3, further comprising:
in response to all index sharding information being marked as migration complete, determining that data migration in a bucket is complete and initiating data migration of a next bucket.
5. An apparatus for object storage data migration, the apparatus comprising:
the synchronization module is configured to synchronize the bucket information of the source end and the index fragment information of the bucket to a destination cluster in response to receiving a data migration instruction;
the migration tool on the target cluster creates threads with the same number according to the number of the index fragments of the storage bucket;
and the migration module is configured to control each thread to read index fragment information respectively by the migration tool and write the corresponding object into the target cluster according to the index fragment information.
6. The apparatus of claim 5, wherein the migration module is further configured to:
the migration tool controls each thread to read index fragment information respectively and analyzes the index fragment information to obtain object name information and storage path information corresponding to the index fragments;
the thread accesses the source end based on the storage path information and acquires an object corresponding to the name information;
and writing the acquired object into the destination cluster.
7. The apparatus of claim 5, further comprising a tagging module configured to:
and marking the index fragment information corresponding to the thread as migration completion in response to the object corresponding to the thread being written into the destination cluster.
8. The apparatus of claim 7, wherein the tagging module is further configured to:
in response to all index sharding information being marked as migration complete, determining that data migration in a bucket is complete and initiating data migration of a next bucket.
9. A computer device, comprising:
at least one processor; and
a memory storing computer instructions executable on the processor, the instructions when executed by the processor implementing the steps of the method of any one of claims 1 to 4.
10. A computer-readable storage medium, in which a computer program is stored which, when being executed by a processor, carries out the steps of the method according to any one of claims 1 to 4.
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| CN115826885A (en) * | 2023-02-21 | 2023-03-21 | 浪潮电子信息产业股份有限公司 | Data migration method and device, electronic equipment and storage medium |
| CN116991949A (en) * | 2023-09-26 | 2023-11-03 | 苏州元脑智能科技有限公司 | Data synchronization method, device, equipment, server and readable storage medium |
| CN117596256A (en) * | 2024-01-19 | 2024-02-23 | 济南浪潮数据技术有限公司 | Data synchronization method, device, system, electronic equipment and readable storage medium |
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