CN106302634A - A kind of data migration method and system - Google Patents
A kind of data migration method and system Download PDFInfo
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- CN106302634A CN106302634A CN201610592385.4A CN201610592385A CN106302634A CN 106302634 A CN106302634 A CN 106302634A CN 201610592385 A CN201610592385 A CN 201610592385A CN 106302634 A CN106302634 A CN 106302634A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1097—Protocols in which an application is distributed across nodes in the network for distributed storage of data in networks, e.g. transport arrangements for network file system [NFS], storage area networks [SAN] or network attached storage [NAS]
Abstract
The invention discloses a kind of data migration method and system, belong to technical field of data storage.Wherein, described method includes: receiving user data package and store to the first cluster, described user data package includes user data and Preset Time；In the case of the user data determining the first cluster is not accessed in Preset Time, the migration of subscriber data of the first cluster is stored to the second cluster, and delete the user data of the first cluster.The disclosure will be by storing to the first cluster, and not be accessed for migration of subscriber data in Preset Time to the second cluster to save the first cluster-based storage space.
Description
Technical field
It relates to technical field of data storage, particularly relate to a kind of data migration method and system.
Background technology
Object is stored in the spring tide of the Internet and receives wide concern, and has obtained rapid development.Object storage with
File storage difference, object is not organized with the structure of directory hierarchy.Each object is all located at being referred to as the flat of storage pool
The same level in space, each element of every one-level has unique mark within the storage system, and user is identified by this
Access container or object.Flat data organizational structure is used to abandon the file of nesting, it is to avoid to safeguard huge mesh
Record tree.Big data and Internet era, the file/object of storage exceedes up to a million, the access times in the unit interval and
Concurrent visit capacity has also reached unprecedented magnitude, and in this case, directory tree brings the biggest holding can to storage system
Pin and problems, become the bottleneck of system.The factor that another one allows object storage shine vitality is, object stores no longer
Interface (such as open, close, read, write etc.) compatible for POSIX is provided, but HTTP can be passed through easily
Restful api interface and object interact: carry out uploading download by PUT and GET, deleted by DELETE.Right
As storage can provide the user the storage of the bigger file such as video, music, it is also possible to provide the service of daily record, it addition, storage
It is to achieve the favor of mobile Internet that service obtains the bigger factor of great development, in the APP of mobile terminal, and object storage letter
Single HTTP interface simplifies the development process of developer, and also can provide the user the memory space of magnanimity.
The user of internet industry generally uses object storage to store hotter data, but elapses over time, than
After 1 year, the temperature of these part data may constantly reduce, and is i.e. increasingly difficult to be accessed to, and now user's needs are
The hottest a large amount of data pay price costly, and waste the memory space of High-Performance Computing Cluster.And it is stored in height
Data in performance cluster are usually quickly accessed, when more temperature lower data is stored in High-Performance Computing Cluster for a long time
In, the problem that in High-Performance Computing Cluster, temperature higher data memory space reduces can be caused.
Summary of the invention
The purpose of the disclosure is to provide a kind of by storing to the first cluster, and is not accessed in Preset Time
Migration of subscriber data to the second cluster to save the method and system in the first cluster-based storage space.
An aspect according to embodiments of the present invention, it is provided that a kind of data migration method, described method includes: receive user
Packet also stores to the first cluster, and described user data package includes user data and Preset Time；Determining the first cluster
User data be not accessed in described Preset Time in the case of, by the migration of subscriber data of the first cluster to the second cluster
Store, and delete the user data of described first cluster.
Further, when by described migration of subscriber data to the second cluster, also include: receive and mate with described user data
Transition condition；Described transition condition is sent extremely described second cluster store.
Further, when described transition condition is in the case of the user data of the second cluster is accessed for, by the second cluster
Described migration of subscriber data to described first cluster time, also include: interviewed at the user data determining described second cluster
In the case of asking, by described second cluster user Data Migration to described first cluster.
Further, after described second cluster user Data Migration to described first cluster, also include: by described second collection
The user data of group is deleted.
Further, when described transition condition is in the case of the user data of the second cluster is accessed for, do not collect second
When group user's data migrates to described first cluster, also include: be accessed for feelings determining described second cluster user data
Under condition, not by described second cluster user Data Migration to described first cluster.
Another aspect according to embodiments of the present invention, it is provided that a kind of data mover system, described system includes: the first collection
Group, is used for receiving user data package and storing, and described user data package includes user data and Preset Time；Judge module, uses
Whether it is not accessed in described Preset Time in the user data judging the first cluster；Transferring module, in described judgement
Module determines in the case of the user data of the first cluster is not accessed in described Preset Time, by the user of the first cluster
Data Migration stores to the second cluster；Removing module, deletes the user data of described first cluster.
Further, described first cluster is additionally operable to, and receives the transition condition mated with described user data；Sending module,
Store for described transition condition is sent extremely described second cluster.
Further, described judge module is additionally operable to, it is judged that whether the user data of described second cluster is accessed；Described move
Shifting formwork block is additionally operable to, when described transition condition is in the case of the user data of the second cluster is accessed for, by the second cluster
When migration of subscriber data is to described first cluster, then determine the user data of described second cluster at described judge module interviewed
In the case of asking, by the migration of subscriber data of described second cluster to described first cluster.
Further, described judge module is additionally operable to, it is judged that whether described second cluster user data are accessed；Described migration
Module is additionally operable to, when described transition condition is in the case of the user data of the second cluster is accessed for, not by described second collection
When the migration of subscriber data of group is to described first cluster, then determine the user data of described second cluster at described judge module
In the case of being accessed for, not by the migration of subscriber data of described second cluster to described first cluster.
Further, the data access speed of described first cluster is higher than the data access speed of described second cluster.
As it has been described above, the disclosure is by receiving user data package and storing to the first cluster, described user data package includes
User data and Preset Time, store to the first cluster at user data, it is judged that whether the user data of the first cluster is in advance
If not being accessed in the time；In the case of the user data of the first cluster is not accessed in Preset Time, by the first cluster
Migration of subscriber data store to the second cluster, and the user data of the first cluster is deleted.Solve in prior art
Owing to temperature lower data is stored in the first cluster, cause wasting memory space, and need to pay expensive storage charges use,
Simultaneously as the first company-data access speed is fast, cause the problem that temperature higher data memory space reduces, it is achieved that ensure
The hottest data can be stored in the first cluster, to be quickly accessed, saves the memory space of the first cluster simultaneously, with
And save storage charges use for mobile terminal user.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of a kind of data migration method that the embodiment of the present invention one provides；
Fig. 2 is the schematic flow sheet of a kind of data migration method that the embodiment of the present invention two provides；
Fig. 3 is the schematic flow sheet of a kind of data migration method that the embodiment of the present invention three provides；
Fig. 4 is the schematic flow sheet of a kind of data migration method that the embodiment of the present invention four provides；
Fig. 5 is the structural representation of a kind of data mover system that the embodiment of the present invention five provides；
Fig. 6 is the structural representation of a kind of data mover system that the embodiment of the present invention six provides.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention of greater clarity, below in conjunction with detailed description of the invention and join
According to accompanying drawing, the present invention is described in more detail.It should be understood that these describe the most exemplary, and it is not intended to limit this
Bright scope.Additionally, in the following description, eliminate the description to known features and technology, to avoid unnecessarily obscuring this
The concept of invention.
Fig. 1 shows the schematic flow sheet of a kind of data migration method that the embodiment of the present invention one provides.
As it is shown in figure 1, the method includes:
S101, receives user data package and stores to the first cluster, and described user data package includes user data and presets
Time；
Specifically, user data is the data such as the video produced by access the Internet, mobile terminal and music, and mobile terminal is permissible
It is uploaded to the first cluster by the corresponding interface, and is configured corresponding Preset Time for this user data, i.e. configured this user
Data are not the most accessed in the first cluster is then migrated to the second cluster.
S102, it is judged that whether the user data of the first cluster is not accessed in described Preset Time；
Wherein, the user data of the first cluster refers to be stored in the user data in the middle of the first cluster.
Specifically, after user data is uploaded to the first cluster, server then starts the user data to the first cluster
Check, i.e. judge whether this user data is not accessed in the Preset Time of configuration.As a kind of embodiment, service
The user data of the first cluster can periodically be checked by device, it may be judged whether has data to expire.As the another kind side of being preferable to carry out
Formula, server can be to record each Preset Time, and determine whether that user data expires based on Preset Time, the most then
Search corresponding user data based on Preset Time, and perform step S103, continue to determine whether number of users if it is not, then return
According to expiring.
S103, in the case of the user data determining the first cluster is not accessed in described Preset Time, by
The migration of subscriber data of one cluster stores to the second cluster, and deletes the user data of the first cluster.
Wherein, the performance of the first cluster is higher than the second cluster, and the data access speed of the i.e. first cluster is higher than the second cluster.
Generally, in the first cluster, storage is the user data that temperature is higher, and in the second cluster storage be the relatively low user of temperature
Data, in the i.e. first cluster, storage is the data that nearest a period of time access frequency is higher, when user data is stored in first
Time in cluster, mobile terminal user needs to pay certain expense for this portion of user data, and in the second cluster storage be to visit
Ask that frequency, relative to the relatively low data of ratio for the first cluster, is not the most accessed for data, when user data is stored in
Time in two clusters, this portion of user data that mobile terminal user is not necessary for being stored in the second cluster pays expense.
As the another embodiment of step S102, also include step S104: at the number of users determining the first cluster
In the case of being accessed in Preset Time, the user data of the first cluster is not migrated.
As it has been described above, the embodiment of the present invention one is by judging the user data being uploaded to the first cluster, whether it
It is not accessed in Preset Time, if it is not accessed in Preset Time, then it represents that this user data temperature is relatively low, and then will
This migration of subscriber data stores to the second cluster, to ensure that temperature higher data is stored in the first cluster, and can quilt
Quickly access.And by Data Migration relatively low for temperature in the first cluster to the second cluster, and delete this user of the first cluster
Data, to save the first cluster-based storage space, and save storage charges use.
Fig. 2 shows the schematic flow sheet of a kind of data migration method that the embodiment of the present invention two provides.
As in figure 2 it is shown, step S103 is when by described migration of subscriber data to the second cluster, also include:
S201, receives the transition condition mated with described user data；
Wherein, transition condition is to be configured the user data moved in the second cluster the need of moving back.Specifically
Can be when the user data being stored in the second cluster is accessed, by the migration of subscriber data in the second cluster to first collection
Group stores；Or when the user data being stored in the second cluster is accessed, not to the number of users in the second cluster
According to dealing with.
S202, sends extremely described second cluster by described transition condition and stores.
Here, it should be noted that transition condition is configured by user, can be to be configured in advance by user, and
Above-mentioned steps S201 and step S202 is performed while performing step S103.Can also be to perform after step s 104, i.e.
After the migration of subscriber data of the first cluster to the second cluster, then transition condition transmission is stored to the second cluster.And move
Shifting condition is sending to the second cluster, and user data one_to_one corresponding forms incidence relation and is stored in the second cluster.
Fig. 3 shows the schematic flow sheet of a kind of data migration method that the embodiment of the present invention three provides.
As it is shown on figure 3, when described transition condition is in the case of the user data of the second cluster is accessed for, collect second
When the described migration of subscriber data of group is to described first cluster, also include:
S301, it is judged that whether the user data of the second cluster is accessed；
Wherein, the user data of the second cluster refers to the user data being stored in the second cluster.
S302, in the case of the user data determining described second cluster is accessed for, by the use of described second cluster
User data migrates to described first cluster；
Specifically, step S302 is the enforcement carried out according to user configured transition condition, the most user configured migration
Condition is: in the case of the user data of the second cluster is accessed for, by the migration of subscriber data of the second cluster to described first
During cluster, then in the case of the user data determining the second cluster is accessed for, by the migration of subscriber data of the second cluster extremely
First cluster.
S303, in the case of the user data determining the second cluster is not accessed for, not by the number of users of the second cluster
According to migrating to described first cluster.
Fig. 4 shows the schematic flow sheet of a kind of data migration method that the embodiment of the present invention four provides.
As shown in Figure 4, when described transition condition is in the case of the user data of the second cluster is accessed for, not by second
When cluster user Data Migration is to described first cluster, also include:
S401, it is judged that whether the user data of the second cluster is accessed；
S402, in the case of the user data determining described second cluster is accessed for, does not uses described second cluster
User data migrates to described first cluster；
Specifically, step S402 is the enforcement carried out according to user configured transition condition.
S403, in the case of the user data determining the second cluster is not accessed for, the not number of users to the second cluster
According to processing.
Specifically, step S402 is the enforcement carried out according to user configured transition condition, the most user configured migration
Condition is: in the case of the user data of the second cluster is accessed for, not by the migration of subscriber data of the second cluster to the most described the
During one cluster, then in the case of the user data determining the second cluster is accessed for, the user data of the second cluster is not moved
Move to the first cluster.
As it has been described above, when by migration of subscriber data to the second cluster, also this user data configuration emigration condition is sent
To the second cluster, after i.e. this user data is accessed in the second cluster, if need to be moved back by this user data to the first collection
Group, and the user data of the second cluster is judged, it is judged that whether it is accessed, if it is accessed, then it represents that this number of users
Access according to will continue within following a period of time, now, can according to user configured transition condition determine the need for by
This user data carries out moving back to the first cluster.Thus ensure that temperature higher data can be quickly accessed.
As a kind of preferred implementation, after described second cluster user Data Migration to described first cluster, also wrap
Include: the user data of described second cluster is deleted, to save the memory space of the second cluster
Fig. 5 shows the structural representation of a kind of data mover system that the embodiment of the present invention five provides.
As it is shown in figure 5, this system includes: the first cluster 10, judge module 11, transferring module the 12, second cluster 13 and delete
Except module 14；
Wherein, the first cluster 10, be used for receiving user data package and storing, described user data package include user data and
Preset Time；
Specifically, user data is the data such as the video produced by access the Internet, mobile terminal and music, and mobile terminal is permissible
It is uploaded to the first cluster by the corresponding interface, and is configured corresponding Preset Time for this user data, i.e. configured this user
Data are not the most accessed in the first cluster is then migrated to the second cluster.
Judge module 11, for judging whether the user data of the first cluster is not accessed in described Preset Time；
Wherein, the user data of the first cluster refers to be stored in the user data in the middle of the first cluster.
Specifically, after user data is uploaded to the first cluster, server then starts the user data to the first cluster
Check, i.e. judge whether this user data is not accessed in the Preset Time of configuration.As a kind of embodiment, service
The user data of the first cluster can periodically be checked by device, it may be judged whether has data to expire.As the another kind side of being preferable to carry out
Formula, server can be to record each Preset Time, and determine whether that user data expires based on Preset Time, the most then
Search corresponding user data based on Preset Time, and by transferring module 12 by the migration of subscriber data of the first cluster to the second cluster
Store, if it is not, then continued to determine whether that user data expires by judge module 11.
Transferring module 12, for determining the user data of the first cluster at described Preset Time at described judge module 11
In the case of not inside being accessed for, the migration of subscriber data of the first cluster is stored to the second cluster 13；If judge module 11
The user data determining the first cluster is accessed in Preset Time, then transferring module 12 is left intact.
Removing module 14, deletes the user data of described first cluster 10.
Wherein, the performance of the first cluster is higher than the second cluster, and the data access speed of the i.e. first cluster is higher than the second cluster.
Generally, in the first cluster, storage is the user data that temperature is higher, and in the second cluster storage be the relatively low user of temperature
Data, in the i.e. first cluster, storage is the data that nearest a period of time access frequency is higher, when user data is stored in first
Time in cluster, mobile terminal user needs to pay certain expense for this portion of user data, and in the second cluster storage be to visit
Ask that frequency, relative to the relatively low data of ratio for the first cluster, is not the most accessed for data, when user data is stored in
Time in two clusters, this portion of user data that mobile terminal user is not necessary for being stored in the second cluster pays expense.
As it has been described above, the user data being uploaded to the first cluster 10 is sentenced by the embodiment of the present invention by judge module 11
Disconnected, whether it is not accessed in Preset Time, if it is not accessed in Preset Time, then it represents that this user data temperature is relatively
Low, and then by transferring module 12, this migration of subscriber data is stored to the second cluster 13, to ensure temperature higher data all
It is stored in the first cluster 10, can be quickly accessed.And by Data Migration relatively low for temperature in the first cluster 10 to second
Cluster 13, and the user data of the first cluster 10 is deleted by removing module 14, to save the memory space of the first cluster 10, and save
Province's storage charges is used.
Fig. 6 shows the structural representation of a kind of data mover system that the embodiment of the present invention six provides.
As shown in Figure 6, this system also includes sending module 15, and wherein, the second cluster 13 is additionally operable to, and receives and user data
The transition condition of coupling；
Wherein, transition condition is that user configures, and transition condition is to be to the user data moved in the second cluster
No needs are moved back and are configured.Can be specifically when the user data being stored in the second cluster is accessed, by the second cluster
In migration of subscriber data store to the first cluster；Or when the user data being stored in the second cluster is accessed
Time, the user data in the second cluster is not dealt with.
Sending module 15, stores for described transition condition is sent extremely described second cluster 13.
Here, it should be noted that transition condition is configured by user, and transition condition is sending to the second cluster
After, and user data one_to_one corresponding formed incidence relation be stored in the second cluster.
Wherein, it is judged that module 11 is additionally operable to, it is judged that whether the user data of described second cluster 13 is accessed；And when described
Transition condition is in the case of the user data of the second cluster is accessed for, and transferring module 12 is additionally operable to the use of the second cluster 13
When user data migrates to described first cluster 10, then determine the user data of described second cluster 13 at described judge module 11
In the case of being accessed for, by the migration of subscriber data of described second cluster 13 to described first cluster 10.Now, then by deleting mould
The user data of the second cluster is deleted by block 14, to save the memory space of the second cluster.
Wherein, the user data of the second cluster refers to the user data being stored in the second cluster.
Wherein, it is judged that module 11 is additionally operable to, it is judged that whether described second cluster 13 user data is accessed, and when described in move
Shifting condition is in the case of the user data of the second cluster is accessed for, not by the migration of subscriber data of described second cluster 13 extremely
During described first cluster 10, then determine the user data of described second cluster 13 at described judge module 11 and be accessed for situation
Under, transferring module 12 is not by the migration of subscriber data of described second cluster 13 to described first cluster 10.
As it has been described above, when by migration of subscriber data to the second cluster, also this user data configuration emigration condition is sent
To the second cluster, after i.e. this user data is accessed in the second cluster, if need to be moved back by this user data to the first collection
Group, and the user data of the second cluster is judged, it is judged that whether it is accessed, if it is accessed, then it represents that this number of users
Access according to will continue within following a period of time, now, can according to user configured transition condition determine the need for by
This user data carries out moving back to the first cluster.Thus ensure that temperature higher data can be quickly accessed.
Specifically, the data access speed of described first cluster 10 is higher than the data access speed of described second cluster 13.
Those skilled in the art are it should be appreciated that embodiments of the invention can be provided as method, system or computer program
Product.Therefore, the reality in terms of the present invention can use complete hardware embodiment, complete software implementation or combine software and hardware
Execute the form of example.And, the present invention can use at one or more computers wherein including computer usable program code
The upper computer program product implemented of usable storage medium (including but not limited to disk memory, CD-ROM, optical memory etc.)
The form of product.
The present invention is with reference to method, equipment (system) and the flow process of computer program according to embodiments of the present invention
Figure and/or block diagram describe.It should be understood that can the most first-class by computer program instructions flowchart and/or block diagram
Flow process in journey and/or square frame and flow chart and/or block diagram and/or the combination of square frame.These computer programs can be provided
Instruction arrives the processor of general purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce
A raw machine so that the instruction performed by the processor of computer or other programmable data processing device is produced for real
The device of the function specified in one flow process of flow chart or multiple flow process and/or one square frame of block diagram or multiple square frame now.
These computer program instructions may be alternatively stored in and computer or other programmable data processing device can be guided with spy
Determine in the computer-readable memory that mode works so that the instruction being stored in this computer-readable memory produces and includes referring to
Make the manufacture of device, this command device realize at one flow process of flow chart or multiple flow process and/or one square frame of block diagram or
The function specified in multiple square frames.
These computer program instructions also can be loaded in computer or other programmable data processing device so that at meter
Perform sequence of operations step on calculation machine or other programmable devices to produce computer implemented process, thus at computer or
The instruction performed on other programmable devices provides for realizing at one flow process of flow chart or multiple flow process and/or block diagram one
The step of the function specified in individual square frame or multiple square frame.
It should be appreciated that the above-mentioned detailed description of the invention of the present invention is used only for exemplary illustration or explains the present invention's
Principle, and be not construed as limiting the invention.Therefore, that is done in the case of without departing from the spirit and scope of the present invention is any
Amendment, equivalent, improvement etc., should be included within the scope of the present invention.Additionally, claims purport of the present invention
Whole within containing the equivalents falling into scope and border or this scope and border change and repair
Change example.
Claims (10)
1. a data migration method, it is characterised in that described method includes:
Receiving user data package and store to the first cluster, described user data package includes user data and Preset Time；
In the case of the user data determining the first cluster is not accessed in described Preset Time, by the use of the first cluster
User data migrates to the second cluster and stores, and deletes the user data of described first cluster.
Method the most according to claim 1, when by described migration of subscriber data to the second cluster, also includes:
Receive the transition condition mated with described user data；
Described transition condition is sent extremely described second cluster store.
Method the most according to claim 2, when described transition condition is to be accessed for feelings at the user data of the second cluster
Under condition, during by the described migration of subscriber data of the second cluster to described first cluster, also include:
In the case of the user data determining described second cluster is accessed for, by described second cluster user Data Migration extremely
Described first cluster.
Method the most according to claim 3, after described second cluster user Data Migration to described first cluster, also wraps
Include: the user data of described second cluster is deleted.
Method the most according to claim 2, when described transition condition is to be accessed for feelings at the user data of the second cluster
Under condition, time not by the second cluster user Data Migration to described first cluster, also include:
Determining in the case of described second cluster user data are accessed for, not by described second cluster user Data Migration extremely
Described first cluster.
6. a data mover system, it is characterised in that described system includes:
First cluster (10), is used for receiving user data package and storing, described user data package include user data and default time
Between；
Judge module (11), for judging whether the user data of the first cluster is not accessed in described Preset Time；
Transferring module (12), for determining the user data of the first cluster at described Preset Time at described judge module (11)
In the case of not inside being accessed for, the migration of subscriber data of the first cluster is stored to the second cluster (13)；
Removing module (14), deletes the user data of described first cluster (10).
System the most according to claim 6,
Described first cluster (10) is additionally operable to, and receives the transition condition mated with described user data；
Sending module (15), stores for described transition condition is sent extremely described second cluster (13).
System the most according to claim 7,
Described judge module (11) is additionally operable to, it is judged that whether the user data of described second cluster (13) is accessed；
Described transferring module (12) is additionally operable to, when described transition condition is to be accessed for situation at the user data of the second cluster
Under, during by the migration of subscriber data of the second cluster (13) to described first cluster (10), then judge at described judge module (11)
In the case of being accessed for the user data of described second cluster (13), by the migration of subscriber data of described second cluster (13) extremely
Described first cluster (10).
System the most according to claim 7,
Described judge module (11) is additionally operable to, it is judged that whether described second cluster (13) user data is accessed；
Described transferring module (12) is additionally operable to, when described transition condition is to be accessed for situation at the user data of the second cluster
Under, time not by the migration of subscriber data of described second cluster (13) to described first cluster (10), then at described judge module
(11) determine in the case of the user data of described second cluster (13) is accessed for, not by the user of described second cluster (13)
Data Migration is to described first cluster (10).
System the most according to claim 6, the data access speed of described first cluster (10) is higher than described second cluster
(13) data access speed.
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| CN109144791A (en) * | 2018-09-30 | 2019-01-04 | 北京金山云网络技术有限公司 | Data conversion storage method, apparatus and data management server |
| CN109783478A (en) * | 2019-03-12 | 2019-05-21 | 长沙理工大学 | A kind of UTXO date storage method, device, equipment and storage medium |
| CN109857723A (en) * | 2019-01-31 | 2019-06-07 | 深圳市迷你玩科技有限公司 | Dynamic date migration method and relevant device based on extendible capacity data-base cluster |
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