CN106294607A - Data cached update method and updating device - Google Patents
Data cached update method and updating device Download PDFInfo
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- CN106294607A CN106294607A CN201610617685.3A CN201610617685A CN106294607A CN 106294607 A CN106294607 A CN 106294607A CN 201610617685 A CN201610617685 A CN 201610617685A CN 106294607 A CN106294607 A CN 106294607A
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- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
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Abstract
The invention provides data cached update method and updating device, the method includes: the data in monitor database update operation, when monitoring the first data and operation occurring to update, creates the process that buffer zone performs operation；By corresponding data cached with the first data that renewal operation occurs in data base in process-kill buffer zone；When receiving the data acquisition request for the first data, the first data after database lookup to corresponding renewal, and the first data after updating store to buffer zone.Technique scheme ensure that the data in data base and the concordance of the corresponding data of caching in buffer zone, ensure that user can get correct data in real time today；Meanwhile, when the renewal of mass data occurs, can avoid in frequent updating buffer zone corresponding data cached, reduce the consumption of system resource, improve the treatment effeciency of data, and promote the experience of user.
Description
Technical field
The present invention relates to field of computer technology, specifically, the present invention relates to a kind of data cached update method, and
A kind of data cached updating device.
Background technology
Along with the development of computer technology, the life of people is increasingly dependent on various application program, consequently also will
Produce increasing data access operation, when data access amount is bigger when, in order to improve the speed of data access, some
Large-scale, need the website frequently accessing data base generally to use distributed cache systems.
In prior art, the workflow of distributed cache systems is: when receiving request data, first examine
Look into request data whether in memory cache, the most directly request data is returned to corresponding requesting party, no longer to data base
Carry out any operation；If the data of request are not in memory cache, then to the data of search request in data base, data base
In find the data of request after, from data base, obtain these data, and the data obtained from data base returned to accordingly
Requesting party, simultaneously by a for data buffer storage in internal memory.But, when the data in data base occur to update, if in internal memory
Be cached with former data, then when there being the request of correspondence, the former data remaining caching in internal memory of acquisition and new after non-update
Data, thus the concordance of data cannot be ensured.
Summary of the invention
For overcoming above-mentioned technical problem or solving above-mentioned technical problem at least in part, the special techniques below scheme that proposes:
Embodiments of the invention propose a kind of data cached update method, are applied to include data base and buffer zone
Database Systems in, the method includes:
Data in monitor database update operation, when monitoring the first data and operation occurring to update, create caching
Region performs the process of operation；
By corresponding data cached with the first data that renewal operation occurs in data base in process-kill buffer zone；
The first number when receiving the data acquisition request for the first data, after database lookup to corresponding renewal
According to, and will update after the first data store to buffer zone.
Preferably, when monitoring the first data and operation occurring to update, create the process that buffer zone is performed operation, bag
Include:
When monitoring the first data and operation occurring to update, obtain the renewal feedback information for the first data；
According to updating feedback information, it is judged that whether the first data are updated successfully；
If so, the process that buffer zone is performed operation is created.
Preferably, delayed by corresponding with data base occurs the first data updating operation in process-kill buffer zone
Deposit data, including:
According to data base occurs to update the identification information of the first data of operation, with the first data in lookup buffer zone
The most data cached；
By corresponding data cached with the first data in process-kill buffer zone.
Preferably, delayed by corresponding with data base occurs the first data updating operation in process-kill buffer zone
Deposit data, including:
After receiving the order of operation process, operation suspension process；
After predetermined time-out duration, run process, and update in data base by process-kill buffer zone
First data of operation are the most data cached.
Preferably, when receiving the data acquisition request for the first data, after database lookup to corresponding renewal
The first data, and will update after the first data store to buffer zone, including:
Identification information according to the first data, it is judged that whether be cached with the caching number corresponding with the first data in buffer zone
According to；
If judging to obtain in buffer zone uncached corresponding with the first data data cached, then corresponding from database lookup
Renewal after the first data, and the first data after the renewal that will find store to buffer zone.
Alternatively, data cached in buffer zone have the predetermined expired time cycle, and the method also includes:
According to the predetermined expired time cycle, it is judged that data cached the most expired in buffer zone；
When judge data cached expired time, delete out of date data cached.
Another embodiment of the present invention proposes a kind of data cached updating device, is applied to include data base and caching
In the Database Systems in region, this device includes:
Monitoring and creation module, the data in monitor database update operation, occur more when monitoring the first data
When newly operating, create the process that buffer zone is performed operation；
, for by there is to update the first number of operation with data base in process-kill buffer zone in the first removing module
According to the most data cached；
More new module, in time receiving the data acquisition request for the first data, from database lookup to accordingly
The first data after renewal, and will update after the first data store to buffer zone.
Preferably, monitoring and creation module include:
Acquiring unit, for when monitoring the first data and operation occurring to update, obtaining anti-for the renewal of the first data
Feedforward information；
First judging unit, for according to updating feedback information, it is judged that whether the first data are updated successfully；
Creating unit, if for judging when the first data are updated successfully, creates the process that buffer zone performs operation.
Preferably, the first removing module includes:
Search unit, for according to data base occurs to update the identification information of the first data of operation, searching buffer area
In territory corresponding data cached with the first data；
Delete unit, for by corresponding data cached with the first data in process-kill buffer zone.
Preferably, the first removing module includes:
Suspend unit, after the order receiving operation process, operation suspension process；
Run and delete unit, for after predetermined time-out duration, running process, and by process-kill buffer zone
The first data updating operation are corresponding data cached with occurring in data base.
Preferably, more new module includes:
Whether the second judging unit, for according to the identification information of the first data, it is judged that be cached with in buffer zone and the
Corresponding data cached of one data；
Search and updating block, if obtaining the uncached caching number corresponding with the first data in buffer zone for judgement
According to, then the first data after database lookup updates accordingly, and the first data after the renewal that will find store to slow
Deposit in region.
Alternatively, data cached in buffer zone have the predetermined expired time cycle, and this device also includes:
Judge module, for according to the predetermined expired time cycle, it is judged that data cached the most expired in buffer zone；
Second removing module, for when judge data cached expired time, delete out of date data cached.
In embodiments of the invention, it is proposed that a kind of data cached update scheme, the data in monitor database update
Operation, when monitoring the first data and operation occurring to update, creates the process that buffer zone performs operation, passes through process-kill
With that first data updating operation occur in data base is corresponding data cached in buffer zone, it is to avoid when the number in data base
When updating according to generation, the situation that corresponding data is the legacy data not updated of caching in buffer zone, thus avoid user and obtain
Get the data of mistake；When receiving the data acquisition request for the first data, after database lookup to corresponding renewal
The first data, and will update after the first data store to buffer zone, it is ensured that the data in data base and buffer area
The concordance of the corresponding data of caching in territory, thus ensure that user can get correct data in real time；Meanwhile, big when occurring
During the renewal of amount data, can avoid in frequent updating buffer zone corresponding data cached, reduce the consumption of system resource, carry
The treatment effeciency of high data, and promote the experience of user.
Aspect and advantage that the present invention adds will part be given in the following description, and these will become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Accompanying drawing explanation
The present invention above-mentioned and/or that add aspect and advantage will become from the following description of the accompanying drawings of embodiments
Substantially with easy to understand, wherein:
Fig. 1 is the schematic flow sheet of the data cached update method of an embodiment in the present invention；
Fig. 2 is the structural representation of the data cached updating device of another embodiment in the present invention.
Detailed description of the invention
Embodiments of the invention are described below in detail, and the example of described embodiment is shown in the drawings, the most from start to finish
Same or similar label represents same or similar element or has the element of same or like function.Below with reference to attached
The embodiment that figure describes is exemplary, is only used for explaining the present invention, and is not construed as limiting the claims.
Those skilled in the art of the present technique are appreciated that unless expressly stated, singulative used herein " ", "
Individual ", " described " and " being somebody's turn to do " may also comprise plural form.It is to be further understood that use in the description of the present invention arranges
Diction " including " refers to there is described feature, integer, step, operation, element and/or assembly, but it is not excluded that existence or adds
Other features one or more, integer, step, operation, element, assembly and/or their group.It should be understood that when we claim unit
Part is " connected " or during " coupled " to another element, and it can be directly connected or coupled to other elements, or can also exist
Intermediary element.Additionally, " connection " used herein or " coupling " can include wireless connections or wireless couple.Used herein arrange
Diction "and/or" includes that one or more list the whole of item or any cell being associated combines with whole.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, and all terms used herein (include technology art
Language and scientific terminology), have with the those of ordinary skill in art of the present invention be commonly understood by identical meaning.Also should
Be understood by, those terms defined in such as general dictionary, it should be understood that have with in the context of prior art
The meaning that meaning is consistent, and unless by specific definitions as here, otherwise will not use idealization or the most formal implication
Explain.
Fig. 1 is the schematic flow sheet of the data cached update method of an embodiment in the present invention；
In embodiments of the invention, the Description of content performed by each step is as follows:
Step S110: the data in monitor database update operation, when monitoring the first data and operation occurring to update, wound
Build the process that buffer zone is performed operation；
Step S120: by corresponding with there are the first data updating operation in data base in process-kill buffer zone
Data cached；
Step S130: when receiving the data acquisition request for the first data, updates to corresponding from database lookup
After the first data, and will update after the first data store to buffer zone.
In embodiments of the invention, it is proposed that a kind of data cached update method, the data in monitor database update
Operation, when monitoring the first data and operation occurring to update, creates the process that buffer zone performs operation, passes through process-kill
With that first data updating operation occur in data base is corresponding data cached in buffer zone, it is to avoid when the number in data base
When updating according to generation, the situation that corresponding data is the legacy data not updated of caching in buffer zone, thus avoid user and obtain
Get the data of mistake；When receiving the data acquisition request for the first data, after database lookup to corresponding renewal
The first data, and will update after the first data store to buffer zone, it is ensured that the data in data base and buffer area
The concordance of the corresponding data of caching in territory, thus ensure that user can get correct data in real time；Meanwhile, big when occurring
During the renewal of amount data, can avoid in frequent updating buffer zone corresponding data cached, reduce the consumption of system resource, carry
The treatment effeciency of high data, and promote the experience of user.Do further below for implementing of each step
Bright:
Step S110: the data in monitor database update operation, when monitoring the first data and operation occurring to update, wound
Build the process that buffer zone is performed operation.
Specifically, the data in monitor database update operation, when monitoring the first data and operation occurring to update, create
The first data in buffer zone are performed correspondence and updates the process of operation.
Such as, the renewal operation of the data in monitor database (Data Base, DB), when the data monitored in DB are sent out
During raw renewal operation, create process, if process, process are for performing operation to buffer zone.
Preferably, in step S110 when monitoring the first data and operation occurring to update, create and buffer zone is performed behaviour
The step of the process made farther includes step S111 (not shown), step S112 (not shown) and step S113
(not shown):
Step S111: when monitoring the first data and operation occurring to update, obtain the renewal feedback letter for the first data
Breath；
Step S112: according to updating feedback information, it is judged that whether the first data are updated successfully；
Step S113: if so, create the process that buffer zone is performed operation.
Such as, by data base, such as DB, in trigger mechanism monitor database DB in the renewal operation of data, when
When monitoring the renewal operation that data A in DB occur amendment, obtain the renewal feedback information for data A, as " being updated to
Merit ", " it is updated successfully " according to updating feedback information, can determine whether that data A are updated successfully, after judging that data A are updated successfully, create
Process process, process is for performing operation to buffer zone.
It should be noted that those skilled in the art are it can be appreciated that monitor database has different implementations, this
Although the monitoring to data base can be realized in a particular manner bright, but this not limited.
Step S120: by corresponding with there are the first data updating operation in data base in process-kill buffer zone
Data cached.
Such as, the renewal operation of the data in monitor database DB, when data A monitored in DB occur the renewal of amendment
During operation, create process process, deleted in buffer zone by process process subsequently and update in database D B
The corresponding data cached A ' of data A of operation.
Preferably, step S120 farther includes step S121 (not shown) and step S122 (not shown):
Step S121: according to there is to update the identification information of the first data of operation in data base, search in buffer zone
Corresponding data cached with the first data；
Step S122: by corresponding data cached with the first data in process-kill buffer zone.
Such as, the renewal operation of the data in monitor database DB, when data A monitored in DB occur the renewal of amendment
During operation, create process process；Subsequently according to database D B occurs to update the identification information of data A of operation, such as " ID
=001 ", in buffer zone, in MC1, searching data identification information in MC1 is the data cached A ' of " ID=001 "；Subsequently,
The data cached A ' in MC1 is deleted by process process.
In another preferred embodiment, step S120 farther includes step S123 (not shown) and step S124
(not shown):
Step S123: after receiving the order of operation process, operation suspension process；
Step S124: after predetermined time-out duration, runs process, and by process-kill buffer zone with in data base
Occur the first data updating operation the most data cached.
Such as, the renewal operation of the data in monitor database DB, when data A monitored in DB occur the renewal of amendment
During operation, create process process, find number in the MC1 of buffer zone according to the identification information " ID=001 " of data A in DB
According to the data cached A ' that identification information is " ID=001 ", subsequent start-up runs the order of process process, when the clothes at MC1 place
After business device receives the order of operation process process, operation suspension process process, at predetermined time-out duration, after 1 second,
Rerun process process, and delete the data cached A ' in MC1 by process process.
By the present embodiment, whether the process that can dispatch any processor uses timeslice, the most currently there are and make
By the process of processor, all can abandon taking the time of processor after predetermined time-out duration, therefore processor occupancy is relatively low,
Improve the treatment effeciency of processor；Simultaneously, it is ensured that in data base first data update operation execution complete after perform again into
Journey is deleted in buffer zone corresponding data cached with the first data that renewal operation occurs in data base, it is ensured that in data base
The first data data cached concordance corresponding with buffer zone, it is to avoid because physics power-off or other factors cause number
Update operation according to the first data in storehouse and be not carried out complete, and delete in buffer zone and occur to update the first of operation with data base
The situation that data are the most data cached.
Step S130: when receiving the data acquisition request for the first data, updates to corresponding from database lookup
After the first data, and will update after the first data store to buffer zone.
Specifically, when receiving the data acquisition request that client application sends for the first data, from data base
Find the first data after corresponding renewal, and the first data after updating store to buffer zone.
Preferably, step S130 farther includes step S131 (not shown) and step S132 (not shown):
Step S131: according to the identification information of the first data, it is judged that whether be cached with in buffer zone and the first data pair
That answers is data cached；
Step S132: if judging to obtain in buffer zone uncached corresponding with the first data data cached, then from data
Library lookup update accordingly after the first data, and the first data after the renewal that will find store to buffer zone.
Such as, receive client application, such as APP1, when sending the data acquisition request for data A, foundation number
Identification information " ID=001 " according to A, it is judged that whether being cached with the identification information corresponding with data A in the MC1 of buffer zone is " ID
=001 " data cached A '；When judging to obtain the uncached data cached A ' corresponding with data A in MC1, then from database D B
Middle lookup identification information is data A after the renewal of " ID=001 ", and will update after data A store to MC1, subsequently,
Corresponding data cached A ' is sent to APP1 by MC1.
In a preferred embodiment, data cached in buffer zone have the predetermined expired time cycle, and the method is also wrapped
Include step S140 (not shown) and step S150 (not shown):
Step S140 is according to the predetermined expired time cycle, it is judged that data cached the most expired in buffer zone；
Step S150: when judge data cached expired time, delete out of date data cached.
Such as, data cached in the MC1 of buffer zone have the predetermined expired time cycle, such as 5 minutes, caches in MC1
While data, add data cached timestamp information, while A ' data cached in MC1, add data cached A '
Timestamp information " 2016-07-20 12:00 ", according to the predetermined method checking stale data, as judged one every 5 minutes
In secondary MC1, the data of caching are the most expired, such as the operation of start-up check stale data when " 2016-07-20 12:01 ", according to
In 5 minutes predetermined expired time cycles, can determine whether that the data cached A in MC1 is not out of date；Subsequently at " 2016-07-20 12:06 "
Time start-up check stale data operation, believe according to the timestamp in 5 minutes and data cached A ' predetermined expired time cycle
Breath " 2016-07-20 12:00 ", can determine whether that the data cached A ' in MC1 is expired, deletes data cached A ' out of date subsequently.
In a concrete application scenarios, user, when " 2016-07-20 13:00:01 ", buys 5 by electricity business website
Commodity B, the price of sole product B is 100 yuans, and now the discount information of electricity business website is 5 foldings, and user is electricity business subsequently
Have selected the business website offer of exchange electricity in cart page corresponding with this user in website is of use certificate, at " 2016-07-20
13:00:10 " time, user clicks on " confirming to buy " button, and the server of electricity business website receives the purchase request of user subsequently
After, calculate user and can use the operation such as amount size being of use certificate, calculated and determined that time of the amount being of use certificate is
" 2016-07-20 13:00:10.05 ", simultaneously electricity business website when " 2016-07-20 13:00:10.01 " by discount information by
5 foldings are revised as 7 foldings, when there is to update operation in discount information data discount monitored in database D B1, and subsequent start-up
The order of operation process process1, after the server at MC2 place receives the order of operation process process1, suspends fortune
Traveling journey process1, at predetermined time-out duration, after 3 milliseconds, i.e. reruns when " 2016-07-20 13:00:10.03 "
Process process1, and the discount information number operated in MC2 is deleted with generation renewal in database D B1 by process process1
According to the corresponding data cached discount ' of discount, the discount ' value now deleted is " 5 folding "；When calculating completes to determine
After being of use the amount of certificate, when " 2016-07-20 13:00:10.05 ", according to the identification information of discount in DB1, such as " ID
=002 ", it is judged that MC2 does not exist caching discount information data discount that identification information is " ID=002 " ', then from data
Storehouse DB1 searches discount information data discount that identification information is " ID=002 ", and the value of discount is 7 foldings, and will search
To renewal after discount information data discount store to MC2, subsequently, MC2 is by data cached discount ', now
Discount ' value is " 7 folding ", sends the electric business website logged in user, show that user confirms an order the page of information subsequently, this
Showing in the page that user buys 5 B goods amount is 350 yuans.
Fig. 2 is the structural representation of the data cached updating device of another embodiment in the present invention.
In embodiments of the invention, the Description of content performed by each module is as follows:
Data in monitoring and creation module 210 monitor database update operation, update when monitoring the first data
During operation, create the process that buffer zone is performed operation；
By there are to update the first data of operation with data base in process-kill buffer zone in the first removing module 220
The most data cached；
When more new module 230 receives the data acquisition request for the first data, from database lookup to the most more
The first data after Xin, and will update after the first data store to buffer zone.
In embodiments of the invention, it is proposed that a kind of data cached updating device, the data in monitor database update
Operation, when monitoring the first data and operation occurring to update, creates the process that buffer zone performs operation, passes through process-kill
With that first data updating operation occur in data base is corresponding data cached in buffer zone, it is to avoid when the number in data base
When updating according to generation, the situation that corresponding data is the legacy data not updated of caching in buffer zone, thus avoid user and obtain
Get the data of mistake；When receiving the data acquisition request for the first data, after database lookup to corresponding renewal
The first data, and will update after the first data store to buffer zone, it is ensured that the data in data base and buffer area
The concordance of the corresponding data of caching in territory, thus ensure that user can get correct data in real time；Meanwhile, big when occurring
During the renewal of amount data, can avoid in frequent updating buffer zone corresponding data cached, reduce the consumption of system resource, carry
The treatment effeciency of high data, and promote the experience of user.Do further below for implementing of modules
Bright:
Data in monitoring and creation module 210 monitor database update operation, update when monitoring the first data
During operation, create the process that buffer zone is performed operation.
Specifically, the data in monitor database update operation, when monitoring the first data and operation occurring to update, create
The first data in buffer zone are performed correspondence and updates the process of operation.
Such as, monitor database, such as DB, in the renewal operation of data, when the data monitored in DB occur to update behaviour
When making, create process, if process, process are for performing operation to buffer zone.
Preferably, monitoring and creation module 210 farther include acquiring unit (not shown), the first judging unit
(not shown) and creating unit (not shown):
Acquiring unit, when monitoring the first data and operation occurring to update, obtains the renewal feedback letter for the first data
Breath；
First judging unit is according to updating feedback information, it is judged that whether the first data are updated successfully；
If judging when the first data are updated successfully, creating unit creates the process that buffer zone performs operation.
Such as, by data base, such as DB, in trigger mechanism monitor database DB in the renewal operation of data, when
When monitoring the renewal operation that data A in DB occur amendment, obtain the renewal feedback information for data A, as " being updated to
Merit ", " it is updated successfully " according to updating feedback information, can determine whether that data A are updated successfully, after judging that data A are updated successfully, create
Process process, process is for performing operation to buffer zone.
It should be noted that those skilled in the art are it can be appreciated that monitor database has different implementations, this
Although the monitoring to data base can be realized in a particular manner bright, but this not limited.
By there are to update the first data of operation with data base in process-kill buffer zone in the first removing module 220
The most data cached.
Such as, the renewal operation of the data in monitor database DB, when data A monitored in DB occur the renewal of amendment
During operation, create process process, deleted in buffer zone by process process subsequently and update in database D B
The corresponding data cached A ' of data A of operation.
Preferably, the first removing module 220 farther includes search unit (not shown) and delete unit (in figure not
Illustrate):
Search unit according to data base occurs to update the identification information of the first data of operation, search in buffer zone with
First data are the most data cached；
Delete unit by corresponding data cached with the first data in process-kill buffer zone.
Such as, the renewal operation of the data in monitor database DB, when data A monitored in DB occur the renewal of amendment
During operation, create process process；Subsequently according to database D B occurs to update the identification information of data A of operation, such as " ID
=001 ", in buffer zone, in MC1, searching data identification information in MC1 is the data cached A ' of " ID=001 "；Subsequently,
The data cached A ' in MC1 is deleted by process process.
In another preferred embodiment, the first removing module 220 farther includes to suspend unit (not shown) and fortune
Row and deletion unit (not shown):
After suspending the order that unit receives operation process, operation suspension process；
Run and delete unit after predetermined time-out duration, run process, and by process-kill buffer zone with number
According to occurring in storehouse, the first data updating operation are the most data cached.
Such as, the renewal operation of the data in monitor database DB, when data A monitored in DB occur the renewal of amendment
During operation, create process process, find number in the MC1 of buffer zone according to the identification information " ID=001 " of data A in DB
According to the data cached A ' that identification information is " ID=001 ", subsequent start-up runs the order of process process, when the clothes at MC1 place
After business device receives the order of operation process process, operation suspension process process, at predetermined time-out duration, after 1 second,
Rerun process process, and delete the data cached A ' in MC1 by process process.
By the present embodiment, whether the process that can dispatch any processor uses timeslice, the most currently there are and make
By the process of processor, all can abandon taking the time of processor after predetermined time-out duration, therefore processor occupancy is relatively low,
Improve the treatment effeciency of processor；Simultaneously, it is ensured that in data base first data update operation execution complete after perform again into
Journey is deleted in buffer zone corresponding data cached with the first data that renewal operation occurs in data base, it is ensured that in data base
The first data data cached concordance corresponding with buffer zone, it is to avoid because physics power-off or other factors cause number
Update operation according to the first data in storehouse and be not carried out complete, and delete in buffer zone and occur to update the first of operation with data base
The situation that data are the most data cached.
When more new module 230 receives the data acquisition request for the first data, from database lookup to the most more
The first data after Xin, and will update after the first data store to buffer zone.
Specifically, when receiving the data acquisition request that client application sends for the first data, from data base
Find the first data after corresponding renewal, and the first data after updating store to buffer zone.
Preferably, more new module 230 farther includes the second judging unit (not shown) and lookup and updating block
(not shown):
Whether the second judging unit is according to the identification information of the first data, it is judged that be cached with in buffer zone and the first data
Corresponding is data cached；
If searching and updating block judging to obtain in buffer zone uncached corresponding with the first data data cached, then from
Database lookup update accordingly after the first data, and the first data after the renewal that will find store to buffer zone
In.
Such as, receive client application, such as APP1, when sending the data acquisition request for data A, foundation number
Identification information " ID=001 " according to A, it is judged that whether being cached with the identification information corresponding with data A in the MC1 of buffer zone is " ID
=001 " data cached A '；When judging to obtain the uncached data cached A ' corresponding with data A in MC1, then from database D B
Middle lookup identification information is data A after the renewal of " ID=001 ", and will update after data A store to MC1, subsequently,
Corresponding data cached A ' is sent to APP1 by MC1.
In a preferred embodiment, data cached in buffer zone have the predetermined expired time cycle, and this device also wraps
Include judge module (not shown) and the second removing module (not shown):
Judge module is according to the predetermined expired time cycle, it is judged that data cached the most expired in buffer zone；
Second removing module when judge data cached expired time, delete out of date data cached.
Such as, data cached in the MC1 of buffer zone have the predetermined expired time cycle, such as 5 minutes, caches in MC1
While data, add data cached timestamp information, while A ' data cached in MC1, add data cached A '
Timestamp information " 2016-07-20 12:00 ", according to the predetermined method checking stale data, as judged one every 5 minutes
In secondary MC1, the data of caching are the most expired, such as the operation of start-up check stale data when " 2016-07-20 12:01 ", according to
In 5 minutes predetermined expired time cycles, can determine whether that the data cached A in MC1 is not out of date；Subsequently at " 2016-07-20 12:06 "
Time start-up check stale data operation, believe according to the timestamp in 5 minutes and data cached A ' predetermined expired time cycle
Breath " 2016-07-20 12:00 ", can determine whether that the data cached A ' in MC1 is expired, deletes data cached A ' out of date subsequently.
In a concrete application scenarios, user, when " 2016-07-20 13:00:01 ", buys 5 by electricity business website
Commodity B, the price of sole product B is 100 yuans, and now the discount information of electricity business website is 5 foldings, and user is electricity business subsequently
Have selected the business website offer of exchange electricity in cart page corresponding with this user in website is of use certificate, at " 2016-07-20
13:00:10 " time, user clicks on " confirming to buy " button, and the server of electricity business website receives the purchase request of user subsequently
After, calculate user and can use the operation such as amount size being of use certificate, calculated and determined that time of the amount being of use certificate is
" 2016-07-20 13:00:10.05 ", simultaneously electricity business website when " 2016-07-20 13:00:10.01 " by discount information by
5 foldings are revised as 7 foldings, when there is to update operation in discount information data discount monitored in database D B1, and subsequent start-up
The order of operation process process1, after the server at MC2 place receives the order of operation process process1, suspends fortune
Traveling journey process1, at predetermined time-out duration, after 3 milliseconds, i.e. reruns when " 2016-07-20 13:00:10.03 "
Process process1, and the discount information number operated in MC2 is deleted with generation renewal in database D B1 by process process1
According to the corresponding data cached discount ' of discount, the discount ' value now deleted is " 5 folding "；When calculating completes to determine
After being of use the amount of certificate, when " 2016-07-20 13:00:10.05 ", according to the identification information of discount in DB1, such as " ID
=002 ", it is judged that MC2 does not exist caching discount information data discount that identification information is " ID=002 " ', then from data
Storehouse DB1 searches discount information data discount that identification information is " ID=002 ", and the value of discount is 7 foldings, and will search
To renewal after discount information data discount store to MC2, subsequently, MC2 is by data cached discount ', now
Discount ' value is " 7 folding ", sends the electric business website logged in user, show that user confirms an order the page of information subsequently, this
Showing in the page that user buys 5 B goods amount is 350 yuans.
Those skilled in the art of the present technique are appreciated that the present invention includes relating to perform in operation described herein
One or more equipment.These equipment can be required purpose and specialized designs and manufacture, or can also include general
Known device in computer.These equipment have storage computer program within it, and these computer programs are optionally
Activate or reconstruct.Such computer program can be stored in equipment (such as, computer) computer-readable recording medium or be stored in
In being suitable to store e-command and be coupled to any kind of medium of bus respectively, described computer-readable medium include but not
Be limited to any kind of dish (including floppy disk, hard disk, CD, CD-ROM and magneto-optic disk), ROM (Read-Only Memory, only
Read memorizer), RAM (Random Access Memory, memorizer immediately), EPROM (Erasable Programmable
Read-Only Memory, Erarable Programmable Read only Memory), EEPROM (Electrically Erasable
Programmable Read-Only Memory, EEPROM), flash memory, magnetic card or light line card
Sheet.It is, computer-readable recording medium includes by equipment (such as, computer) with the form storage that can read or any Jie of transmission information
Matter.
Those skilled in the art of the present technique be appreciated that can with computer program instructions realize these structure charts and/or
The combination of the frame in each frame in block diagram and/or flow graph and these structure charts and/or block diagram and/or flow graph.This technology is led
Field technique personnel be appreciated that these computer program instructions can be supplied to general purpose computer, special purpose computer or other
The processor of programmable data processing method realizes, thus by computer or the process of other programmable data processing methods
Device performs the scheme specified in structure chart disclosed by the invention and/or block diagram and/or the frame of flow graph or multiple frame.
Those skilled in the art of the present technique be appreciated that the various operations discussed in the present invention, method, in flow process
Step, measure, scheme can be replaced, changed, combined or deleted.Further, there is discussed in the present invention each
Other steps in kind operation, method, flow process, measure, scheme can also be replaced, changed, reset, decomposed, combined or deleted.
Further, of the prior art have and the step in the various operations disclosed in the present invention, method, flow process, measure, scheme
Can also be replaced, changed, reset, decomposed, combined or deleted.
The above is only the some embodiments of the present invention, it is noted that for the ordinary skill people of the art
For Yuan, under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (10)
1. a data cached update method, be applied to include data base with in the Database Systems of buffer zone, the method
Including:
Data in monitor database update operation, when monitoring the first data and operation occurring to update, create buffer zone
Perform the process of operation；
By corresponding with described data base occurs the first data updating operation in buffer zone described in described process-kill
Data cached；
The first number when receiving the data acquisition request for the first data, after described database lookup to corresponding renewal
According to, and will update after the first data store to buffer zone.
Method the most according to claim 1, wherein, when monitoring the first data and operation occurring to update, creates caching
Region performs the process of operation, including:
When monitoring the first data and operation occurring to update, obtain the renewal feedback information for described first data；
According to described renewal feedback information, it is judged that whether described first data are updated successfully；
If so, the process that buffer zone is performed operation is created.
Method the most according to claim 1 and 2, wherein, by buffer zone described in described process-kill with described number
According to occurring in storehouse, the first data updating operation are the most data cached, including:
According to described data base occurs to update the identification information of the first data of operation, search in described buffer zone with described
First data are the most data cached；
By corresponding data cached with described first data in buffer zone described in described process-kill.
4. according to the method described in any one of claim 1-3, wherein, by buffer zone described in described process-kill with institute
State and data base occurs the first data updating operation the most data cached, including:
Receive after running the order of described process, process described in operation suspension；
After predetermined time-out duration, run described process, and by buffer zone described in described process-kill with described data
Storehouse occur the first data updating operation the most data cached.
5. according to the method described in any one of claim 1-4, wherein, receive the data acquisition request for the first data
Time, the first data after described database lookup to corresponding renewal, and the first data after updating store to buffer area
In territory, including:
Identification information according to described first data, it is judged that whether be cached with corresponding with described first data in described buffer zone
Data cached；
If judging to obtain corresponding data cached, then from described data base of uncached and described first data in described buffer zone
Search the first data after corresponding renewal, and the first data after the renewal that will find store to buffer zone.
6. according to the method described in any one of claim 1-5, wherein, in buffer zone data cached have predetermined expired time
Between the cycle, the method also includes:
According to the described predetermined expired time cycle, it is judged that data cached the most expired in buffer zone；
When judge data cached expired time, delete out of date data cached.
7. a data cached updating device, be applied to include data base with in the Database Systems of buffer zone, this device
Including:
Monitoring and creation module, the data in monitor database update operation, occur to update behaviour when monitoring the first data
When making, create the process that buffer zone is performed operation；
First removing module, for by occurring to update operation with described data base in buffer zone described in described process-kill
The first data the most data cached；
More new module, in time receiving the data acquisition request for the first data, from described database lookup to accordingly
The first data after renewal, and will update after the first data store to buffer zone.
Device the most according to claim 7, wherein, described monitoring and creation module include:
Acquiring unit, for when monitoring the first data and operation occurring to update, obtaining anti-for the renewal of described first data
Feedforward information；
First judging unit, for according to described renewal feedback information, it is judged that whether described first data are updated successfully；
Creating unit, when described first data are updated successfully, creates the process that buffer zone performs operation.
9. according to the device described in claim 7 or 8, wherein, described first removing module includes:
Search unit, for according to described data base occurs to update the identification information of the first data of operation, search described slow
Deposit in region corresponding data cached with described first data；
Delete unit, for by corresponding data cached with described first data in buffer zone described in described process-kill.
10. according to the device described in any one of claim 7-9, wherein, described first removing module includes:
Suspend unit, after receiving the order running described process, process described in operation suspension；
Run and delete unit, for after predetermined time-out duration, running described process, and by slow described in described process-kill
Deposit in region corresponding data cached with the first data that renewal operation occurs in described data base.
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| CN111651520A (en) * | 2020-05-25 | 2020-09-11 | 北京字节跳动网络技术有限公司 | Cache architecture access method, device, medium and electronic equipment |
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