CN108182152A - A kind of local cache based on Redis refreshes implementation method and device - Google Patents
A kind of local cache based on Redis refreshes implementation method and device Download PDFInfo
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- CN108182152A CN108182152A CN201711215284.6A CN201711215284A CN108182152A CN 108182152 A CN108182152 A CN 108182152A CN 201711215284 A CN201711215284 A CN 201711215284A CN 108182152 A CN108182152 A CN 108182152A
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- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
- G06F12/02—Addressing or allocation; Relocation
- G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
- G06F12/0802—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches
- G06F12/0804—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches with main memory updating
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Abstract
Refresh implementation method the invention discloses a kind of local cache based on Redis and device, method include：Redis data packets are introduced in the engineering of local cache management method；Define a general caching subscription component and general issuing interface；Redis data packets are introduced, and introduce general caching subscription component and general issuing interface in the system of local cache to be updated；The corresponding exclusive channels of system of a local cache to be updated are defined, general issuing interface is added in the corresponding node of caching to be refreshed according to exclusive channels, local cache is refreshed according to issuing interface.The present invention is realized to be updated in system local cache, and all nodes are also automatically updated below cluster, improve the caching flexibility of local cache, expand the usage scenario of local cache, improve the memory usage of system.
Description
Technical field
The present invention relates to system cache technical fields more particularly to a kind of local cache based on Redis to refresh realization side
Method and device.
Background technology
The memory usage of system is low in cluster environment, wherein greatly the reason is that because can not realize data cached
The local cache of all nodes under update cluster that can not be easily and effectively after update.
In the prior art in order to improve the memory utilization ratio of system, generally use restarts the application in cluster environment, but
It is to restart not only to have an impact the use of system, but also newer caching is needed equally to reload, causes unnecessary money
Source wastes, and so as to cause what system local cache used to lack, system performance is promoted slow, and memory usage is low.In local cache brush
When new, existing system-based data concentrate on a system maintenance, after updating basic data, need to refresh what other application arrived
System can only need same by restarting or calling respectively each nodes of other systems, when other systems increase node newly
The configuration of Shi Xiugai basic data systems, safeguard get up it is pretty troublesome, easily miss.Therefore in the prior art, the sheet of cluster environment
Ground buffer update can not be updated the local cache synchronized update of other all nodes under cluster, and external system update number
According to rear, the local cache update inconvenience of this system, Installed System Memory utilization rate is low.
Therefore, the prior art has yet to be improved and developed.
Invention content
In view of above-mentioned deficiencies of the prior art, the purpose of the present invention is to provide a kind of local cache brushes based on Redis
New implementation method and device, it is intended to which when solving the local cache update of cluster environment in the prior art, Installed System Memory utilization rate is low
The problem of.
Technical scheme is as follows：
A kind of local cache based on Redi s refreshes implementation method, the method includes：
Redis data packets are introduced in the engineering of local cache management method；
Define a general caching subscription component and general issuing interface；
Redis data packets are introduced, and introduce general caching subscription component and general in the system of local cache to be updated
Issuing interface；
The corresponding exclusive channels of system of a local cache to be updated are defined, according to exclusive channels in caching to be refreshed
Corresponding node adds general issuing interface, refreshes local cache according to issuing interface.
Optionally, it is described to define a general caching subscription component, including：
A general caching subscription component is defined, it is entire slow that the general caching subscription component is specifically used for caching
It deposits, refresh according to caching name and refresh local cache data according to caching name and cache size.
Optionally, it is described to define a general issuing interface, it further includes：
The release model of a general issuing interface and general issuing interface is defined, the release model is included according to business
Object refreshes, and is refreshed according to the caching name and cache size of publication and is refreshed according to message.
Optionally, it is described to define a general caching subscription component, it further includes：
Redis distribution subscription channels, the thread refreshed by thread pool management are obtained, and pass through according to caching subscription component
Reflex mechanism handles message.
Optionally, the corresponding exclusive channels of system for defining a local cache to be updated, exist according to exclusive channels
The corresponding node of caching to be refreshed adds general issuing interface, refreshes local cache according to issuing interface：
The corresponding exclusive channels of system of a local cache to be updated are defined, according to exclusive channels in caching to be refreshed
Corresponding node adds general issuing interface；
The message of flush buffers is issued by release model by general issuing interface；
Subscriber obtains the message of flush buffers, refreshes the local cache of oneself according to the message of flush buffers.
Another embodiment of the present invention additionally provides a kind of local cache based on Redis and refreshes realization device, including：
Memory, processor and it is stored in the computer journey that can be run on the memory and on the processor
Sequence, the computer program realize following steps when being performed by the processor：
Redis data packets are introduced in the engineering of local cache management method；
Define a general caching subscription component and general issuing interface；
Redis data packets are introduced, and introduce general caching subscription component and general in the system of local cache to be updated
Issuing interface；
The corresponding exclusive channels of system of a local cache to be updated are defined, according to exclusive channels in caching to be refreshed
Corresponding node adds general issuing interface, refreshes local cache according to issuing interface.
Optionally, following steps are also realized when the computer program is performed by the processor：
A general caching subscription component is defined, it is entire slow that the general caching subscription component is specifically used for caching
It deposits, refresh according to caching name and refresh local cache data according to caching name and cache size.
Optionally, following steps are also realized when the computer program is performed by the processor：
The release model of a general issuing interface and general issuing interface is defined, the release model is included according to business
Object refreshes, and is refreshed according to the caching name and cache size of publication and is refreshed according to message.
Optionally, following steps are also realized when the computer program is performed by the processor：
Redis distribution subscription channels, the thread refreshed by thread pool management are obtained, and pass through according to caching subscription component
Reflex mechanism handles message.
Another embodiment of the present invention additionally provides a kind of non-volatile computer readable storage medium storing program for executing, which is characterized in that
The non-volatile computer readable storage medium storing program for executing is stored with computer executable instructions, and the computer executable instructions are by one
Or multiple processors may be such that one or more of processors perform the above-mentioned local cache brush based on Redis when performing
New implementation method.
Advantageous effect：The invention discloses a kind of local caches based on Redis to refresh implementation method and device, realizes
System local cache updates, and all nodes are also automatically updated below cluster, improve the caching flexibility of local cache, expands
The usage scenario of local cache improves the memory usage of system.
Description of the drawings
Below in conjunction with accompanying drawings and embodiments, the invention will be further described, in attached drawing：
Fig. 1 is the flow chart that a kind of local cache based on Redis of the present invention refreshes implementation method preferred embodiment.
Fig. 2 is the hardware configuration for the preferred embodiment that a kind of local cache based on Redis of the present invention refreshes realization device
Figure.
Specific embodiment
The present invention provides a kind of local cache based on Redis and refreshes implementation method and device, for make the purpose of the present invention,
Technical solution and effect are clearer, clear and definite, and the present invention is described in more detail below.It should be appreciated that described herein
Specific embodiment is only used to explain the present invention, is not intended to limit the present invention.
Redis be one increase income write using ANSI C languages, support network, can based on memory also can persistence day
Will type, Key-Value databases, and the interface API of multilingual is provided.It is proposed in the embodiment of the present invention a kind of based on Redis
Local cache refresh implementation method, realize the caching of all nodes below cluster first with the Pub/Sub mechanism of Redis
Notify more new function and asynchronous system flush buffers function.Secondly using the abstract and polymorphism characteristic of JAVA, realize that one leads to
Caching subscription component, a set of general subscription update caching of exploitation is realized, as long as configuration file directly draws when use
People.A general issuing interface is finally defined, and realizes the publication of a variety of published methods, eliminates developer two
Secondary exploitation.It uses simple and convenient.
The abbreviation of Publ isher publishers wherein in Pub/Sub mechanism, Sub are the abbreviations of Subscriber, Pub/Sub
Mechanism refers to distribution subscription mechanism.Redis also supports the publish-subscribe model of message, and subscriber (Sub) is ordered by SUBSCRIBE
Enable and PSUBSCRIBE orders be to redis service subscriptions channel (channel), when publisher by PUBLISH orders to
During chinnel publication orders, the client for subscribing to the channel all can be by this message.
The embodiment of the present invention is illustrated below in conjunction with attached drawing.
Referring to Fig. 1, Fig. 1, which is a kind of local cache based on Redis of the present invention, refreshes implementation method preferred embodiment
Flow chart.As shown in Figure 1, it includes step：
Step S100, Redis data packets are introduced in the engineering of local cache management method；
Step S200, a general caching subscription component and general issuing interface are defined；
Step S300, Redis data packets are introduced in the system of local cache to be updated, and introduces general caching subscription group
Part and general issuing interface；
Step S400, the corresponding exclusive channels of system of a local cache to be updated are defined, are being treated according to exclusive channels
The corresponding node of caching of refreshing adds general issuing interface, refreshes local cache according to issuing interface.
When it is implemented, it is introduced by taking the system for using JAVA language as an example, in the local cache pipe based on JVM memories
The data packet of Redis is introduced in the engineering of reason method, the data packet of Redis refers to the related jar packets of Redis.JVM is Java
The abbreviation of Virtual Machine (Java Virtual Machine), JVM are a kind of specifications for computing device, it is one and fabricates out
The computer come, be by the practical computer the various computer functions of analogue simulation realize.Utilize Redis's
Pub/Sub mechanism realizes the notice more new function of caching of all nodes and asynchronous system flush buffers function below cluster.
By the abstract and polymorphism characteristic of JAVA, a general caching subscription component is realized
AbstractSubscribeListener so that it is in need update caching class uniformly realize subscriber's logic, after being convenient for
Continuous management；
By the interface-oriented programming principle of JAVA, a general issuing interface IGuavaCachePubl is defined
Isher realizes the publication of a variety of published methods.
Using the system of the caching component, the jar packets are firstly introduced into, are introduced in spring files
It is exclusive to define a this system by IGuavaCacheSubscribeListener and IGguavaCachePubl isher
Redis Pub/Sub channels inject IGuavaCachePubl isher, according to interface requirement in the place for needing cache flush
It can flush buffers.
Optionally, a general caching subscription component defined in step S200, including：
A general caching subscription component is defined, it is entire slow that the general caching subscription component is specifically used for caching
It deposits, refresh according to caching name and refresh local cache data according to caching name and cache size.
Specifically, general caching subscription component can provide basic caching entirely cache, refresh according to cacheName,
According to the caching functions such as name c acheName and cache size cacheKey flushes cache datas.
Optionally, a general caching subscription component further includes defined in step S200：
Redis distribution subscription channels, the thread refreshed by thread pool management are obtained, and pass through according to caching subscription component
Reflex mechanism handles message.
When it is implemented, caching subscription component AbstractSubscribeListener needs what Redis was provided
JedisPubSub abstract class increases the distinctive function of some this caching mechanisms, for example obtains Redis distribution subscription channels, passes through
The thread that thread pool management consumption refreshes.And message function is handled by reflex mechanism.Specifically, subscription component is cached
AbstractSubscribeListener is used to implement the setting connection pool of Redis and message subscribing channel, sets thread pool number
Amount and it is most important realized by reflex mechanism refresh entire caching or caching name cacheName refresh functions and
It is finer according to caching name cacheName, cache size cacheKey flushes cache data functions.
Optionally, a general issuing interface defined in step S200, including：
The release model of a general issuing interface and general issuing interface is defined, the release model is included according to business
Object refreshes, and is refreshed according to the caching name and cache size of publication and is refreshed according to message.
When it is implemented, defining a general issuing interface IGuavaCachePubl isher, while define general hair
The distribution pattern of cloth interface IGuavaCachePubl isher.General issuing interface IGuavaCachePubl isher are fixed respectively
Three kinds of release models of justice, i.e., refresh according to business object, according to the caching name cacheName of publication and cache size cacheKey
Refresh and refresh according to the message m essage of JSON forms.Facilitate and used in program developer practical application.JSON
(JavaScript Object Notat ion, JS object tag) is a kind of data interchange format of lightweight.It is based on
The a subset of ECMAScript (the js specifications that w3c is formulated), is stored using the text formatting for being totally independent of programming language
With expression data.
Optionally, step S400 includes：The corresponding exclusive channels of system of a local cache to be updated are defined, according to special
Belong to channel and add general issuing interface in the corresponding node of caching to be refreshed；
The message of flush buffers is issued by release model by general issuing interface；
Subscriber obtains the message of flush buffers, refreshes the local cache of oneself according to the message of flush buffers.
The service class of the cache flush of actual use injects publisher.General issuing interface IGuavaCachePubl
Isher issues the message of flush buffers by the release model of publication.Subscriber is allowed to consume message, the local for refreshing oneself is delayed
It deposits.Publisher can also be other systems, but need with subscriber in same set of redis.So it can also realize so outer
The system under portion's system refresh cluster is so the local cache function of node.
Another embodiment of the present invention provides a kind of local cache based on Redis and refreshes realization device, as shown in Fig. 2, should
Local cache based on Redis refreshes realization device 10 and includes：
It one or more processors 110 and memory 120 and is stored on the memory and can be in the processing
The computer program run on device, the computer program is executed by processor realization, and above-described embodiment is described is based on
The local cache of Redis refreshes implementation method.It is introduced by taking a processor 110 as an example in Fig. 2, processor 110 and storage
Device 120 can be connected by bus or other modes, in Fig. 2 for being connected by bus.
Above-mentioned local cache based on Redis refresh that realization device 10 can perform that the embodiment of the present invention provided based on
The local cache of Redis refreshes implementation method, has the corresponding function module of execution method and advantageous effect.Not based on
The local cache of Redis refreshes the technical detail of detailed description in 10 embodiment of realization device, reference can be made to institute of the embodiment of the present invention
The local cache based on Redis provided refreshes implementation method.
An embodiment of the present invention provides a kind of non-volatile computer readable storage medium storing program for executing, computer readable storage medium is deposited
Computer executable instructions are contained, which is executed by one or more processors, for example, performing above retouch
Method and step S100 to step S400 in the Fig. 1 stated.
Another embodiment of the present invention provides a kind of computer program product, and computer program product includes being stored in
Computer program on non-volatile computer readable storage medium storing program for executing, computer program includes program instruction, when program instruction quilt
When processor performs, the local cache based on Redis that the processor performs above method embodiment is made to refresh implementation method.
For example, perform the method and step S100 to step S400 in Fig. 1 described above.
The apparatus embodiments described above are merely exemplary, wherein can be as the unit that separating component illustrates
Or may not be physically separate, the component shown as unit may or may not be physical unit, i.e.,
A place can be located at or can also be distributed in multiple network element.Portion therein can be selected according to actual needs
Point or whole module realize the purpose of this embodiment scheme.
By the description of above embodiment, those skilled in the art can be understood that each embodiment can be by
Software adds the mode of general hardware platform to realize, naturally it is also possible to pass through hardware realization.Based on such understanding, above-mentioned technology
Scheme substantially in other words can be embodied the part that the relevant technologies contribute in the form of software product, the computer
Software product can reside in computer readable storage medium, such as ROM/RAM, magnetic disc, CD, including some instructions to
So that computer equipment (can be personal computer, server either network equipment etc.) perform each embodiment or
The method of certain parts of embodiment.
It should be understood that the application of the present invention is not limited to the above, it for those of ordinary skills, can
To be improved or converted according to the above description, all these modifications and variations should all belong to the guarantor of appended claims of the present invention
Protect range.
Claims (10)
1. a kind of local cache based on Redis refreshes implementation method, which is characterized in that the method includes：
Redis data packets are introduced in the engineering of local cache management method；
Define a general caching subscription component and general issuing interface；
Redis data packets are introduced, and introduce general caching subscription component and general hair in the system of local cache to be updated
Cloth interface；
The corresponding exclusive channels of system of a local cache to be updated are defined, are corresponded to according to exclusive channels in caching to be refreshed
Node add general issuing interface, local cache is refreshed according to issuing interface.
2. the local cache according to claim 1 based on Redis refreshes implementation method, which is characterized in that the definition
One general caching subscription component, including：
A general caching subscription component is defined, the general caching subscription component is specifically used for caching and entirely caches, presses
Refresh according to caching name and refresh local cache data according to caching name and cache size.
3. the local cache according to claim 1 or 2 based on Redis refreshes implementation method, which is characterized in that described fixed
An adopted general issuing interface, including：
The release model of a general issuing interface and general issuing interface is defined, the release model is included according to business object
Refresh, refreshed according to the caching name and cache size of publication and refreshed according to message.
4. the local cache according to claim 2 based on Redis refreshes implementation method, which is characterized in that the definition
One general caching subscription component, further includes：
Redis distribution subscription channels, the thread refreshed by thread pool management are obtained, and pass through reflection according to caching subscription component
Mechanism handles message.
5. the local cache according to claim 4 based on Redis refreshes implementation method, which is characterized in that the definition
The corresponding exclusive channels of system of one local cache to be updated add according to exclusive channels in the corresponding node of caching to be refreshed
Add general issuing interface, local cache is refreshed according to issuing interface：
The corresponding exclusive channels of system of a local cache to be updated are defined, are corresponded to according to exclusive channels in caching to be refreshed
Node add general issuing interface；
The message of flush buffers is issued by release model by general issuing interface；
Subscriber obtains the message of flush buffers, refreshes the local cache of oneself according to the message of flush buffers.
6. a kind of local cache based on Redis refreshes realization device, which is characterized in that described device includes：Memory, processing
Device and the computer program that can be run on the memory and on the processor is stored in, the computer program quilt
The processor realizes following steps when performing：
Redis data packets are introduced in the engineering of local cache management method；
Define a general caching subscription component and general issuing interface；
Redis data packets are introduced, and introduce general caching subscription component and general hair in the system of local cache to be updated
Cloth interface；
The corresponding exclusive channels of system of a local cache to be updated are defined, are corresponded to according to exclusive channels in caching to be refreshed
Node add general issuing interface, local cache is refreshed according to issuing interface.
7. the local cache according to claim 6 based on Redis refreshes implementation method, which is characterized in that the calculating
Machine program also realizes following steps when being performed by the processor：
A general caching subscription component is defined, the general caching subscription component is specifically used for caching and entirely caches, presses
Refresh according to caching name and refresh local cache data according to caching name and cache size.
8. the local cache based on Redis described according to claim 6 or 7 refreshes implementation method, which is characterized in that the meter
Calculation machine program also realizes following steps when being performed by the processor：
The release model of a general issuing interface and general issuing interface is defined, the release model is included according to business object
Refresh, refreshed according to the caching name and cache size of publication and refreshed according to message.
9. the local cache according to claim 7 based on Redis refreshes implementation method, which is characterized in that the calculating
Machine program also realizes following steps when being performed by the processor：
Redis distribution subscription channels, the thread refreshed by thread pool management are obtained, and pass through reflection according to caching subscription component
Mechanism handles message.
A kind of 10. non-volatile computer readable storage medium storing program for executing, which is characterized in that the non-volatile computer readable storage medium
Matter is stored with computer executable instructions, when which is executed by one or more processors, may be such that institute
It states local cache of the one or more processors perform claim requirement 1-5 any one of them based on Redis and refreshes implementation method.
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| CN109471879A (en) * | 2018-10-25 | 2019-03-15 | 珠海天燕科技有限公司 | A kind of householder method and device of data seniority among brothers and sisters |
| CN111522879A (en) * | 2020-04-16 | 2020-08-11 | 北京雷石天地电子技术有限公司 | Data distribution method based on cache and electronic equipment |
| CN111858669A (en) * | 2020-07-03 | 2020-10-30 | 上海众言网络科技有限公司 | Method and device for second-level caching of data |
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| CN109167810A (en) * | 2018-07-27 | 2019-01-08 | 阿里巴巴集团控股有限公司 | Monitoring, notice, method for refreshing and device calculate equipment and storage medium |
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| CN111522879B (en) * | 2020-04-16 | 2023-09-29 | 北京雷石天地电子技术有限公司 | Data distribution method based on cache and electronic equipment |
| CN111913989A (en) * | 2020-06-15 | 2020-11-10 | 东风日产数据服务有限公司 | Distributed application cache refreshing system and method, electronic equipment and storage medium |
| CN111858669A (en) * | 2020-07-03 | 2020-10-30 | 上海众言网络科技有限公司 | Method and device for second-level caching of data |
| CN116483747A (en) * | 2023-06-26 | 2023-07-25 | 深圳华锐分布式技术股份有限公司 | Quotation snapshot issuing method, device, equipment and medium |
| CN116483747B (en) * | 2023-06-26 | 2023-09-08 | 深圳华锐分布式技术股份有限公司 | Quotation snapshot issuing method, device, equipment and medium |
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