CN110727738B - Global routing system based on data fragmentation, electronic equipment and storage medium - Google Patents
Global routing system based on data fragmentation, electronic equipment and storage medium Download PDFInfo
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/27—Replication, distribution or synchronisation of data between databases or within a distributed database system; Distributed database system architectures therefor
- G06F16/278—Data partitioning, e.g. horizontal or vertical partitioning
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/22—Indexing; Data structures therefor; Storage structures
- G06F16/2282—Tablespace storage structures; Management thereof
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q40/00—Finance; Insurance; Tax strategies; Processing of corporate or income taxes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0803—Configuration setting
- H04L41/0823—Configuration setting characterised by the purposes of a change of settings, e.g. optimising configuration for enhancing reliability
- H04L41/0836—Configuration setting characterised by the purposes of a change of settings, e.g. optimising configuration for enhancing reliability to enhance reliability, e.g. reduce downtime
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0893—Assignment of logical groups to network elements
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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
- H04L67/50—Network services
- H04L67/51—Discovery or management thereof, e.g. service location protocol [SLP] or web services
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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
- H04L67/50—Network services
- H04L67/60—Scheduling or organising the servicing of application requests, e.g. requests for application data transmissions using the analysis and optimisation of the required network resources
- H04L67/63—Routing a service request depending on the request content or context
Abstract
The invention provides a global routing system based on data fragmentation, which comprises a routing management service unit, fragmentation nodes, a routing registration mapping service unit and a routing service unit; the routing management service unit is used for configuring the fragmentation information of the routing service and writing the fragmentation information into a database; the fragmentation node divides the global routing application into a plurality of application service groups according to the fragmentation information, and each application service group comprises a plurality of fragments and a plurality of application service nodes; in each application service group, each fragment corresponds to a plurality of application service nodes; the route registration mapping service unit is used for initializing the fragment information to establish a fragment mapping table; and the routing service unit routes the message information of the transaction data to an application service group based on the fragment mapping table. Therefore, the application service groups have certain isolation from each other, thereby saving server resources and reducing transaction hot spot problems and avalanche problems.
Description
Technical Field
The invention belongs to the technical field of databases, and particularly relates to a global routing system based on data fragmentation, electronic equipment and a storage medium.
Background
In the field of database technology, when a relational database is used to process mass data, the processing is usually performed in a database fragmentation mode, and in order to route transactions to corresponding machine rooms and corresponding fragments, a layer of global transaction routing service is generally added before a transaction entry and an application service, that is, first, new basic data is uniformly distributed to each physical fragment, then, received transaction information is forwarded to different machine rooms according to a fragmentation strategy, and then, the transaction information is forwarded to corresponding application groups according to preset rules.
The routing method of data fragmentation in the prior art mainly includes the following steps:
firstly, routing service is added between a transaction inlet and application service, the application service and the database fragments are bound in a one-to-one correspondence mode, each application under the framework can only be connected with one database node, and at least one application must exist in each database node for the same micro-service application. Because a large-scale system is generally split into a large number of micro-service applications according to functions, application service nodes can be dozens or even hundreds, although the access amount of some micro-service applications is not very large, in order to correspond to the fragments of the database, at least the number of the application services equal to the number of the fragments needs to be started on line, and therefore a lot of server resources are wasted; in addition, in the case of one-to-one binding, a transaction hotspot problem is also likely to occur.
And secondly, adding a routing service layer between the application and the data, wherein each application can be connected to any database fragmentation node. In this case, if there is a problem with one or more database shards, service avalanche is easily caused, that is, normal shards cannot provide services normally due to abnormal spreading influence; in addition, the database routing service layer needs to keep connection with each database fragment, and the number of the connections of the database and the number of the handles of the server files are limited, so that the method has a certain limitation on horizontal extension.
In summary, the routing method for data fragmentation in the prior art has the following technical problems: wasting server resources, being prone to transaction hot spot problems, being prone to service avalanches and having certain limits on horizontal extension.
Disclosure of Invention
The invention aims to provide a global routing system, electronic equipment and a storage medium based on data fragmentation so as to solve the technical problems in the background art.
The technical scheme of the invention is as follows:
one aspect of the present invention provides a global routing system based on data fragmentation, which comprises a route management service unit, a fragmentation node, a route registration mapping service unit and a route service unit; wherein the content of the first and second substances,
the route management service unit is used for configuring fragmentation information of the route service and writing the fragmentation information into a database;
the fragmentation node divides the global routing application into a plurality of application service groups according to the fragmentation information, and each application service group comprises a plurality of fragments and a plurality of application service nodes; in each application service group, each fragment corresponds to a plurality of application service nodes;
the route registration mapping service unit is used for initializing the fragment information to establish a fragment mapping table;
and the routing service unit routes the message information of the transaction data to an application service group based on the fragment mapping table.
Another aspect of the present invention provides an electronic device, including: a processor and a storage device, the storage device having a computer program stored thereon, the processor implementing the global routing system as described in any one of the above when executing the computer program on the storage device.
Yet another aspect of the present invention provides a computer readable storage medium having a computer program stored thereon, wherein the computer program, when executed by a processor, implements a global routing system as described in any of the above.
The data fragmentation-based global routing system of the embodiment configures data in advance, maps and routes fragments, and divides the whole global routing application into a plurality of application service groups, and one fragment corresponds to a plurality of application services, so that each application service group has a certain isolation, if a database node in one packet fails, only the service provided by the data in the application packet is affected, and the whole system cannot be unavailable, thereby saving server resources, and reducing transaction hot spot problems and avalanche problems;
in addition, in the embodiment, the fragments can be newly added or split without affecting the operation of the system, so that the fragments can be expanded to a certain extent horizontally.
Drawings
Fig. 1 is a schematic structural diagram of a global routing system based on data fragmentation according to an embodiment of the present invention;
FIG. 2 is a flow chart of a routing service logic architecture diagram according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a routing service invocation according to an embodiment of the present invention;
fig. 4 is a schematic diagram of a network topology provided by an embodiment of the present invention;
FIG. 5 is a diagram of a newly added data slice according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of an electronic device according to an embodiment of the present invention.
Detailed Description
The present invention is described in detail with reference to the embodiments shown in the drawings, but it should be understood that these embodiments are not intended to limit the present invention, and those skilled in the art should understand that functional, methodological, or structural equivalents or substitutions made by these embodiments are within the scope of the present invention.
Example one
Fig. 1 is a schematic structural diagram of a global routing system based on data fragmentation according to an embodiment of the present invention, and referring to fig. 1, the system includes a route management service unit, a fragmentation node, a route registration mapping service unit, a route service unit, and a route synchronization service unit; wherein the content of the first and second substances,
the route management service unit is used for configuring fragmentation information of the route service and writing the fragmentation information into a database;
the fragmentation node divides the global routing application into a plurality of application service groups according to the fragmentation information, and each application service group comprises a plurality of fragments and a plurality of application service nodes; in each application service group, each fragment corresponds to a plurality of application service nodes;
the route registration mapping service unit is used for initializing the fragment information to establish a fragment mapping table;
the routing service unit routes message information of the transaction data to an application service group based on the fragment mapping table; (ii) a
The route synchronization service unit is used for synchronizing the mapping data into a redis database.
The working process of each component of the global routing system based on data fragmentation in this embodiment will be described in detail below.
FIG. 2 is a flow chart of a routing service logic architecture diagram according to an embodiment of the present invention; fig. 4 is a schematic diagram of a network topology provided by an embodiment of the present invention; with reference to fig. 1, 2 and 4, the routing management service unit is configured to configure fragmentation information of a routing service, and write the configured fragmentation information into a database, where the database may persist data by using the fragmentation information; the fragmentation information can guide the fragmentation node how to fragment the data; the fragmentation information comprises fragmentation key values, fragmentation quantity and fragmentation strategies;
the data structure in the route management service unit includes the following two types of fragment information and fragment load information:
the fragment information is used for storing information of each fragment node of planning configuration, and comprises a fragment node state, a machine room where the fragment is located, a fragment id, a fragment group and the like;
the fragment load information is used for storing the fragment id, the data volume of each group of fragments, the active condition and the like.
Referring to fig. 3, fig. 3 is a schematic diagram of a routing service invocation provided by an embodiment of the present invention, where the fragmentation node is configured to: dividing the global routing application into a plurality of application service groups according to the fragmentation information, wherein each application service group comprises a plurality of application service nodes; in each application service group, each fragment corresponds to a plurality of application service nodes;
in the prior art, when data of one application service group is abnormal (which may be an avalanche caused by a problem of a fragmentation node), services related to data fragmentation of the application service group may be affected;
the configuration mode of the fragmentation node in this embodiment is utilized, that is, "all fragmentation data are divided into a plurality of application service groups according to the fragmentation information, and each application service group includes a plurality of application service nodes; in each application service group, each fragment corresponds to a plurality of application service nodes, so when data of one application service group is abnormal, the service related to the data fragment in the application service group can still work normally, and the data in each application service group can be isolated, so that when the data in part of the application service groups is abnormal, the data in other application service groups cannot be influenced.
In the prior art, under a high-availability service architecture, in order to ensure that services can still be provided to the outside when part of application nodes are down, the application cluster scale is at least more than or equal to two nodes, because some micro-service logic processing is simple, if a group of application service nodes only correspond to one data fragment node, application resources can be idle for a long time, so that resource waste is caused, and in addition, the number of application services is large, and management and monitoring are not facilitated;
in this embodiment, each fragment corresponds to multiple application service nodes, so that the fragment corresponding to the application service group can be relatively enlarged, and the number of data fragments and application service nodes can be adjusted according to actual conditions, thereby reducing the use of server resources and the service management cost.
Further, the size of the application service group may be adjustable, for example, one fragmented data may be divided into one group, or a plurality of fragmented data may be divided into one group.
In this embodiment, if there is no statistical data, the data is fragmented according to a fragmentation policy; and if the statistical data exist, carrying out asynchronous statistics on the data, and slicing the data through the obtained weight of the current data volume.
Furthermore, when the traffic volume reaches the preset number threshold and the current fragment resource is already in the expected saturation state, the routing management service unit needs to newly add data fragments to meet the continuously increased service requirement, so that the problem of overlarge connection number of the single database fragments is avoided.
Specifically, the route management service unit adds a new data fragment by performing the following operations:
firstly, configuring newly added fragment information in a route management service unit;
then, a new data fragment database is established according to the newly added fragment information, and a new application service node is started;
finally, refreshing a database partitioning rule based on the new application service node to add new data fragments; wherein the routing banking rule supports time slice processing; for example, referring to FIG. 5, the original filing date is 20171001, and the data is divided into 4 databases db1-db4 according to the original database dividing rule, after the newly added data is fragmented, that is, from the filing date 20181001, the newly added data is divided into 8 databases db1-db8 according to the new database dividing rule, and the data is rerouted to each fragment node according to the new database, so as to add new data fragments; that is, the new segment may be assigned a higher weight, which may allow more new users to route to the new segment; the whole system can be unaware by the way of newly adding the data fragments.
Preferably, after the data fragments are newly added, new application services are added, so that the number of connections between each fragment database and the application service group is kept within a preset number range; in addition, the routing service is stateless (namely the routing service does not depend on any other component except the application), so that the routing node can be linearly expanded when the data fragmentation is increased, and larger service scale can be supported.
Further, when a hot spot exists in a single fragment and the data processing amount of the fragment node is greater than or equal to the preset data amount, the fragment node controls the single fragment to be split to obtain a plurality of fragments;
specifically, the sharded node controls a single shard to be fissured by performing the following operations:
a1, the route management service unit configures new fragmentation information and stores the new fragmentation information into a new fragmentation database;
a2, starting a new application service node according to the new fragment information;
a3, migrating the data scheduled to be fissured into a new sharded database (the source sharded database is not changed and still provides service at the moment);
a4, refreshing the database splitting rule, and routing the transaction corresponding to the migrated data to a new fragment node;
a5, cleaning up data which are scheduled to be fissured in a source fragmentation database;
because the database partitioning rule has changed, the data scheduled to be fragmented in the source fragmentation database can not be used any more, and the part of data can be routed to a new fragmentation node, so that the data scheduled to be fragmented in the source fragmentation database can be cleaned, and other data in the source fragmentation database can not be influenced.
The route registration mapping service unit is used for initializing the fragmentation information to establish a fragmentation mapping table, and the fragmentation mapping table is used for representing the corresponding relation between a fragmentation key and data fragmentation;
for example, taking a transaction-type system as an example, a card number, a certificate number, a mobile phone number and the like can be generally selected as a fragment key, and inventory data (which can be customized according to service planning, independently designed and non-invasive) is initialized into a fragment mapping table in batch according to a fragment policy; further, when new client data (such as a newly registered client without initial fragment information) is needed, the routing registration mapping service unit distributes the new client data to the specified fragments in real time according to the fragment policy.
The routing service unit routes message information of the transaction data to an application service group based on the fragment mapping table;
specifically, the routing service unit performs the following operations:
when the routing service unit receives transaction data, firstly, the routing service unit utilizes a fragment key in the transaction data message; then, inquiring data fragment information and application grouping information corresponding to the fragment key according to the fragment mapping table; packaging the data fragment information into the message and forwarding the message to a corresponding application service group; after receiving the message packaged with the data fragment information, the application service group analyzes the corresponding data fragment information, selects the corresponding data fragment to process to obtain a processing result, and responds the processing result information to the routing service unit, namely the application service group sends the processing result information to the routing service unit; and finally, the routing service unit responds the received processing result information to the terminal, namely the routing service unit sends the received processing result information to the terminal.
Referring to fig. 4, the route synchronization service unit is configured to synchronize mapping data to a redis database; specifically, because the mapping data is cached in the Redis database, in order to prevent inconsistency between the data in the Redis database and the data in the source fragment database, a routing synchronization service unit is added and the mapping data is periodically synchronized and calibrated in an incremental synchronization manner, thereby ensuring the query processing efficiency of the system.
The data fragmentation-based global routing system of this embodiment configures data in advance, maps and fragment routes fragments, and divides the entire global routing application into multiple application service groups, and one fragment of the global routing application corresponds to multiple application service nodes, so that each application service group has a certain isolation from another application service group, and if a database node in one packet fails, only the service provided by the data in the application packet to the outside is affected, and the unavailability of the entire system is not caused.
Example two
An embodiment of the present invention provides an electronic device, as shown in fig. 6, the electronic device at least includes: a processor and a storage device; the storage device has a computer program stored thereon, and the processor implements the global routing system provided by any embodiment of the present invention when executing the computer program on the storage device.
The electronic devices in the embodiments of the present invention may include, but are not limited to, mobile terminals such as mobile phones, notebook computers, digital broadcast receivers, PDAs (personal digital assistants), PADs (tablet computers), PMPs (portable multimedia players), in-vehicle terminals (e.g., car navigation terminals), and the like, and fixed terminals such as digital TVs, desktop computers, and the like. The electronic device shown in fig. 6 is only an example, and should not bring any limitation to the functions and the scope of use of the embodiments of the present disclosure.
EXAMPLE III
Embodiments of the present invention provide a computer-readable storage medium, which stores a computer program, and when the computer program is executed by a processor, the computer program implements a global routing system provided in any embodiment of the present invention.
It should be noted that the computer readable medium described in the present disclosure may be a computer readable signal medium or a computer readable storage medium or any combination of the two. A computer readable storage medium may be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the foregoing. More specific examples of the computer readable storage medium may include, but are not limited to: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In the present disclosure, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device. In contrast, in the present disclosure, a computer readable signal medium may comprise a propagated data signal with computer readable program code embodied therein, either in baseband or as part of a carrier wave. Such a propagated data signal may take many forms, including, but not limited to, electro-magnetic, optical, or any suitable combination thereof. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device. Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to: electrical wires, optical cables, RF (radio frequency), etc., or any suitable combination of the foregoing.
The computer readable medium may be embodied in the electronic device; or may exist separately without being assembled into the electronic device.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (9)
1. A global routing system based on data fragmentation comprises a routing management service unit, a fragmentation node, a routing registration mapping service unit and a routing service unit; wherein the content of the first and second substances,
the route management service unit is used for configuring fragmentation information of the route service and writing the fragmentation information into a database;
the fragmentation node divides the global routing application into a plurality of application service groups according to the fragmentation information, and each application service group comprises a plurality of fragments and a plurality of application service nodes; in each application service group, each fragment corresponds to a plurality of application service nodes;
the route registration mapping service unit is used for initializing the fragment information to establish a fragment mapping table;
the routing service unit performs the following operations: receiving a fragment key in a transaction data message; inquiring data fragment information and application grouping information corresponding to the fragment key according to the fragment mapping table; packaging the data fragment information into the message according to the application grouping information and forwarding the message to a corresponding application service group;
the application service group analyzes the message to obtain the data fragment information, selects the corresponding data fragment to process to obtain a processing result, and sends the processing result information to the routing service unit;
and the routing service unit sends the received processing result information to the terminal.
2. The global routing system according to claim 1, wherein said system further comprises a route synchronization service for synchronizing mapping data into a Redis database.
3. The global routing system according to claim 1, wherein the fragmentation information includes a fragmentation key, a fragmentation number, and a fragmentation policy.
4. The global routing system of claim 1, wherein the route registration mapping service unit distributes the new data to the designated shard in real time according to the shard policy.
5. The global routing system of claim 1, wherein the routing management service unit adds a new data fragment when the capacity of a single node reaches a preset capacity threshold.
6. The global routing system of claim 5, wherein the route management service adds a new data fragment by performing the following operations:
newly added fragment information is configured in the route management service unit;
establishing a new data fragmentation database according to the newly added fragmentation information, and starting a new application service node;
and refreshing a database partitioning rule based on the new application service node to add a new data fragment.
7. The global routing system according to claim 1, wherein when there is a hotspot in the data of a single segment and the amount of data processed by the segment node is greater than or equal to a preset amount of data, the segment node controls the single segment to be split to obtain multiple segments.
8. The global routing system of claim 7, wherein the sharded node controls a single shard to be fissile by performing operations comprising:
the routing management service unit configures new fragmentation information and stores the new fragmentation information into a new fragmentation database;
starting a new application service node according to the new fragment information;
migrating data scheduled to be fissured to a new sharded database;
and refreshing the database partitioning rule, and routing the transaction corresponding to the migrated data to the new fragmentation node.
9. The global routing system of claim 8, wherein the sharded node controlling the fission of a single shard further performs the operations of: and cleaning up the data scheduled to be fissured in the source fragmentation database.
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