CN105045530B - A kind of data recording and storing method - Google Patents
A kind of data recording and storing method Download PDFInfo
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- CN105045530B CN105045530B CN201510370991.7A CN201510370991A CN105045530B CN 105045530 B CN105045530 B CN 105045530B CN 201510370991 A CN201510370991 A CN 201510370991A CN 105045530 B CN105045530 B CN 105045530B
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Abstract
The present invention discloses a kind of data recording and storing method, and step includes：1）It is the continuous coding of every data content distribution that different implications are represented in packet to be stored when receiving packet to be stored；2）Judge whether packet to be stored is the first packet received, if it is, every data content in packet to be stored is carried out into record storage successively with corresponding coding；Step 3 is performed if it is not, being transferred to）；3）By packet to be stored compared with every data content in the upper packet received is according to corresponding encode successively, and record storage is carried out according to comparative result；When each of which item is compared, if comparative result is within a preset range, without record storage；Otherwise data content corresponding to record storage and coding.The present invention can reduce the record storage of identical content-data, and there is storage to realize the advantages of simple, occupancy memory space is few, storage efficiency is high and easily realizes data convert.
Description
Technical field
The present invention relates to real-time data acquisition technical field of memory, more particularly to a kind of number suitable for real-time data memory
According to record storage method.
Background technology
At present in real-time data acquisition storage, the record storage to packet is typically to be carried out completely by raw content order
Storage, such as when being sequentially received packet 1, packet 2, packet 3 ..., then packet 1, packet is finally stored as successively
2nd, packet 3 ..., and each packet is complete raw data packets.It is past between packet in process of real-time data acquisition
Toward substantial amounts of duplicate contents being present, larger correlation between packet be present, can then be led according to above-mentioned record storage mode
The record of a large amount of same data contents is caused, so as to consume excessive storage space, causes the waste of memory space.
Have practitioner at present to propose to use duplicate data to judge to remove the scheme of duplicate data, to solve identical data
The problem of repeating to record, but the judgement of such scheme one side duplicate data and storing process are complex, add data
The complexity of storage, influence storage efficiency and be not easy to realize data convert；On the other hand, such scheme is normally based on data
The repetition of itself judges that the implication represented by identical data possibility is entirely different, and in real-time data acquisition, the implication of data
The important information content of collection required for corresponding, thus such scheme is not particularly suited for the collection storage of real time data.
The content of the invention
The technical problem to be solved in the present invention is that：For technical problem existing for prior art, the present invention provides one
Kind is applied to the data recording and storing method of real-time data acquisition storage, can reduce the record storage of identical content-data, and
Storage realizes that simple, occupancy memory space is few, storage efficiency is high and easily realizes data convert.
In order to solve the above technical problems, technical scheme proposed by the present invention is：
A kind of data recording and storing method, step include：
1）It is every data content distribution that different implications are represented in packet to be stored when receiving packet to be stored
Continuous coding；
2）Judge whether packet to be stored is the first packet received, if it is, will be each in packet to be stored
Item data content carries out record storage successively with corresponding coding；Step 3 is performed if it is not, being transferred to）；
3）By packet to be stored and every data content in the upper packet received according to corresponding coding according to
It is secondary to be compared, and record storage is carried out according to comparative result；When each of which item is compared, if comparative result is in default model
In enclosing, then without record storage；Otherwise data content corresponding to record storage and coding.
As a further improvement on the present invention, the step 1）In be the items that different implications are represented in packet to be stored
What data content distribution continuously encoded concretely comprises the following steps：
1.1）Packet to be stored is divided into multinomial data content according to represented different implications；
1.2）Continuous programming code is carried out according to default regular coding form, and correspondingly distributes to the items of packet to be stored
Data content.
As a further improvement on the present invention, the step 2）Middle every data content is corresponding with coding to carry out record storage
Concretely comprise the following steps：
2.1）Set and stored record starts to identify, correspond to the sequence number of first record bag；
2.2）The Section 1 data content of first coding and packet to be stored is obtained, stores described first successively
Coding, Section 1 data content；
2.3）The next item down data content of next coding and packet to be stored is obtained, storage successively acquires
Coding and data content, return and perform step 2.3）, until the record for completing all data contents in packet to be stored is deposited
Storage；
2.4）Simultaneously stored record end of identification is set.
As a further improvement on the present invention, the step 3）Concretely comprise the following steps：
3.1）Set and stored record starts to identify, correspond to the sequence number of current record bag；
3.2）Take respectively in the data that first coding is corresponding in packet to be stored, a upper packet received
Hold, and calculate the difference of two item data contents of taking-up；
3.3）If the difference of the two item datas content is more than pre-set threshold value, by present encoding and packet to be stored
The data content of middle respective items is stored successively；
3.4）Take respectively in the data in packet to be stored, a upper packet received corresponding to next coding
Hold, and calculate the difference of two item data contents of taking-up, return and perform step 3.3）；Until complete the ratio of all item data contents
Compared with completing the record storage of packet to be stored；
3.5）Simultaneously stored record end of identification is set.
As a further improvement on the present invention, the step 3）In also include adjusting the preset range required for adjust
The step of data content of record storage.
As a further improvement on the present invention, in addition to data convert step 4）, concretely comprise the following steps：
4.1）The record storage position for positioning first packet is reduced, and obtains first data packet recording address book stored successively
Every data content, reduction obtain first packet content；
4.2）The record storage position for positioning next packet is reduced, and obtains record storage successively according to coding
Every data content, if discontinuous coding wherein be present, obtained from a upper packet it is Unrecorded coding institute it is right
The data content answered；Return and perform step 4.2）, until completing the reduction of all packets.
As a further improvement on the present invention, the step 4.2）The record storage position of the middle next packet of positioning is entered
Row reduction concretely comprises the following steps：
4.21）Position the position of next packet and reduced as current data packet, obtain current data packet note
First of address book stored encodes and determines whether the first coding in the regular coding form, if it is, corresponding to obtaining
Data content；Otherwise each between first coding for judging to obtain and the first coding does not record coding, and from upper one
Each data content not recorded corresponding to coding is obtained in every content of individual packet successively；
4.22）Next coding of record storage is obtained, and is judged and upper one coding according to the regular coding form
It is whether continuous, if it is, data content corresponding to obtaining；Otherwise judge and it is upper one coding between it is each do not record coding,
And obtain each data content not recorded corresponding to coding successively from every content of a upper packet；Return is held
Row step 4.22）, until completing the reduction of all data contents, reduction obtains current data packet content.
Compared with prior art, the advantage of the invention is that：
1）The present invention is when packet stores, by the phase for judging packet and every data content in a upper packet
Relatively determine whether to be stored like property, if similitude within the specific limits if without storage, and only store and upper one
Packet, so as to effectively reduce the storage of duplicate data, accounts for compared to the data content that generation necessarily changes needed for reduction
Storage space；Handled simultaneously by identical data between adjacent data bag, can be effectively between record data bag
Change procedure；
2）The present invention by packet to be stored according to the similitude between data content, it is determined that the number without record storage
According to, can effectively reduce implication identical duplicate data record storage, while ensure data content storage integrality, Neng Goushi
In being stored for real-time data acquisition；
3）The present invention encodes to different pieces of information content first when receiving packet to be stored, by different coding mark
Know every data content in packet, it is possible thereby to easily judge the similitude between front and rear packet with reference to coding, with
It is determined that need the data stored；
4）The present invention combines coding from the data of record storage, in that context it may be convenient to it is determined that the data division not stored, together
When can easily find the data division from a upper packet restored, realize fast and accurately data convert；
5）The present invention is further by the pre-set threshold value of record storage required for adjusting judgement, to adjust required record
Data, so as to adjust the change size of record data according to the actual requirements.
Brief description of the drawings
Fig. 1 is the implementation process schematic diagram of the present embodiment data recording and storing method.
Fig. 2 is the principle schematic of data packet coding mode in the present embodiment.
Fig. 3 is the record storage principle schematic of first packet in the present embodiment.
Fig. 4 is the record storage principle schematic of non-first packet in the specific embodiment of the invention.
Embodiment
Below in conjunction with Figure of description and specific preferred embodiment, the invention will be further described, but not therefore and
Limit the scope of the invention.
As shown in figure 1, the present embodiment data recording and storing method, step include：
1）It is every data content distribution that different implications are represented in packet to be stored when receiving packet to be stored
Continuous coding；
2）Judge whether packet to be stored is the first packet received, if it is, will be each in packet to be stored
Item data content carries out record storage successively with corresponding coding；Step 3 is performed if it is not, being transferred to）；
3）By packet to be stored and every data content in the upper packet received according to corresponding coding according to
It is secondary to be compared, and record storage is carried out according to comparative result；When each of which item is compared, if comparative result is in default model
In enclosing, then without record storage；Otherwise data content corresponding to record storage and coding.
The present embodiment is when packet stores, by the phase for judging every data content and a upper packet in packet
Relatively determine whether to be stored like property, if similitude within the specific limits if without storage, and only store and upper one
Packet, so as to effectively reduce the storage of duplicate data, reduces required occupancy compared to the content that generation necessarily changes
Storage space；Handled simultaneously by identical data between adjacent data bag, change that can be effectively between record data bag
Process.
In the present embodiment, step 1）In be to represent that every data content distribution of different implications is continuous in packet to be stored
Coding concretely comprise the following steps：
1.1）Packet to be stored is divided into multinomial data content according to represented different implications；
1.2）Continuous programming code is carried out according to default regular coding form, and correspondingly distributes to the items of packet to be stored
Data content.
The present embodiment is divided packet to be stored according to the implication corresponding to data content, such as speed, displacement,
Determined whether according to the similitude between same data content for identical data, it is possible to reduce implication identical duplicate data
Record storage, while ensure the integrality of data content storage, it is thus possible to it is effectively applicable in real-time data acquisition storage.
In the present embodiment, distribute and compile first according to Unified coding form for each packet to be stored received
Code, encoded with every different data content, identical content in flag data bag using identical.As shown in Fig. 2 the present embodiment
Encoded according to incremental digital encoding scheme, when receiving packet to be stored, in packet per item data
Hold one digital coding of corresponding distribution, so as to which corresponding data content in packet can be determined by coding.The present embodiment leads to
Cross and different pieces of information content is encoded, by every data content in different coding identification data packet, it is possible thereby to easily tie
Code is compiled in collaboration with to judge the similitude between front and rear packet, to determine to need the data stored, while by coding and data content
Between corresponding relation, the data division not stored can also be easily determined, in order to realize data convert.
In the present embodiment, when receiving first packet, all data contents are stored, while by every storage content
Stored according to mode corresponding with coding.Step 2）In the storage of first packet when, every data content is corresponding with coding
Carry out concretely comprising the following steps for record storage：
2.1）Set and stored record starts to identify, correspond to the sequence number of first record bag；
2.2）The Section 1 data content of first coding and packet to be stored is obtained, stores described first successively
Coding, Section 1 data content；
2.3）The next item down data content of next coding and packet to be stored is obtained, storage successively acquires
Coding and data content, return and perform step 2.3）, until the record for completing all data contents in packet to be stored is deposited
Storage；
2.4）Simultaneously stored record end of identification is set.
The packet to be stored each received in the present embodiment is according to sequence number, such as first number corresponding to the setting of reception order
According to sequence number 1 corresponding to bag, second packet corresponds to sequence number 2, by that analogy.It is can determine that by corresponding sequence number between packet
Ordinal relation, in data convert then can according to sequence number carry out order restoring.It is shown in Figure 3, according to the method described above
To the record format 1 of first packet, record storage content is followed successively by：Record starts mark, sequence number 1, coding 1, content（Data
Content）1 ... record end identifies.Mark, record end mark determine first packet institute record storage by record
Content, each data content correspond to respective coding, in that context it may be convenient to position every data content and every data content
Reduction.
In the present embodiment, when receiving non-first packet, then the packet received is kept up with into a packet and entered
Row similarity-rough set, to determine the data content to be stored.The present embodiment step 3）Concretely comprise the following steps：
3.1）Set and stored record starts to identify, correspond to the sequence number of current record bag；
3.2）Take respectively in the data that first coding is corresponding in packet to be stored, a upper packet received
Hold, and calculate the difference of two item data contents of taking-up；
3.3）, will be right in present encoding and packet to be stored if the difference of two item data contents is more than pre-set threshold value
The data content of item is answered to be stored successively；
3.4）Take respectively in the data in packet to be stored, a upper packet received corresponding to next coding
Hold, and calculate the difference of two item data contents of taking-up, return and perform step 3.3）；Until complete the ratio of all item data contents
Compared with completing the record storage of packet to be stored；
3.5）Simultaneously stored record end of identification is set.
In the present embodiment, step 3）In also include adjustment preset range with the data content of record storage required for adjusting
Step.The present embodiment step 3.3）In particular by adjustment pre-set threshold value come the delta data of record required for adjusting, when pre-
If threshold values is 0, then all item datas of each packet are recorded, all changes between adjacent data bag can be recorded.
As shown in figure 4, second packet of the present embodiment（Bag 2）With first packet（Bag 1）Middle every data content
When being compared, wherein solid line represents that comparing difference is more than pre-set threshold value, i.e. change is more than pre-set threshold value, and dotted line represents poor
Value is less than threshold values, that is, changes and be less than pre-set threshold value, as can be seen from Figure data content 2, data content 5 and data content 6
Change be more than preset difference value, then during record storage, by data content 2, data content 5, data content 6 and it is corresponding encode according to
It is secondary to be stored, obtain the record format 2 shown in left hand view.
In the present embodiment, in addition to data convert step 4）, concretely comprise the following steps：
4.1）The record storage position for positioning first packet is reduced, and obtains first data packet recording address book stored successively
Every data content, reduction obtain first packet content；
4.2）The record storage position for positioning next packet is reduced, and obtains record storage successively according to coding
Every data content, if discontinuous coding wherein be present, obtained from a upper packet it is Unrecorded coding institute it is right
The data content answered；Return and perform step 4.2）, until completing the reduction of all packets.
During the present embodiment data convert, reduce the first packet of record storage first, during the reduction of first packet, then by
Sequence number determines that to after storage location all item data contents can be restored according to the record format 1 of first packet；Restore
Second packet（Bag 2）, the data changed in former packet more than pre-set threshold value can be reduced directly out according to record format 2
Content, i.e. data content 2, data content 5, data content 6, remaining Unrecorded data content is then according to coding from first data
Obtained in bag, you can restore the content of second packet completely, the reduction process of follow-up data bag is by that analogy, you can by
The upper packet restored reduces next packet.Can easily it be determined from the data of record storage with reference to coding
The data division not stored, while the data division easily can be found from a upper packet restored, realize
Fast and accurately data convert.
In the present embodiment, step 4.2）The specific steps that the record storage position of the middle next packet of positioning is reduced
For：
4.21）Position the position of next packet and reduced as current data packet, obtain next packet
First of record storage encodes and determines whether the first coding in regular coding form, if it is, number corresponding to obtaining
According to content；Otherwise each between first coding for judging to obtain and first coding does not record coding, and from a upper data
Each data content not recorded corresponding to coding is obtained in every content of bag successively；
4.22）Next coding of record storage is obtained, and is judged and upper one coding according to the regular coding form
It is whether continuous, if it is, data content corresponding to obtaining；Otherwise judge and it is upper one coding between it is each do not record coding,
And obtain each data content not recorded corresponding to coding successively from every content of a upper packet；Return performs step
Rapid 4.22）, until completing the reduction of all data contents, reduction obtains current data packet content.
The present invention can also be applied to other kinds of according to the actual requirements suitable for real-time data acquisition storage
In data storage, to reduce the storage of implication identical duplicate data.
Above-mentioned simply presently preferred embodiments of the present invention, not makees any formal limitation to the present invention.It is although of the invention
It is disclosed above with preferred embodiment, but it is not limited to the present invention.Therefore, it is every without departing from technical solution of the present invention
Content, according to the technology of the present invention essence to any simple modifications, equivalents, and modifications made for any of the above embodiments, it all should fall
In the range of technical solution of the present invention protection.
Claims (7)
1. a kind of data recording and storing method, it is characterised in that step includes：
1）It is to represent that every data content distribution of different implications is continuous in packet to be stored when receiving packet to be stored
Coding；
2）Judge whether packet to be stored is the first packet received, if it is, by each item number in packet to be stored
Record storage is carried out successively with corresponding coding according to content；Step 3 is performed if it is not, being transferred to）；
3）Packet to be stored is entered successively with every data content in the upper packet received according to corresponding coding
Row compares, and carries out record storage according to comparative result；When each of which item is compared, if similarity system design result is default
In the range of, then without record storage；Otherwise data content corresponding to record storage and coding.
2. data recording and storing method according to claim 1, it is characterised in that the step 1）In be data to be stored
Represented in bag different implications every data content distribution continuously encode concretely comprise the following steps：
1.1）Packet to be stored is divided into multinomial data content according to represented different implications；
1.2）Continuous programming code is carried out according to default regular coding form, and correspondingly distributes to each item data of packet to be stored
Content.
3. data recording and storing method according to claim 2, it is characterised in that the step 2）Middle every data content
It is corresponding with coding to carry out concretely comprising the following steps for record storage：
2.1）Set and stored record starts to identify, correspond to the sequence number of first record bag；
2.2）The Section 1 data content of first coding and packet to be stored is obtained, stores first volume successively
Code, Section 1 data content；
2.3）The next item down data content of next coding and packet to be stored is obtained, stores the coding acquired successively
And data content, return and perform step 2.3）, until completing the record storage of all data contents in packet to be stored；
2.4）Simultaneously stored record end of identification is set.
4. data recording and storing method according to claim 3, it is characterised in that the step 3）Concretely comprise the following steps：
3.1）Set and stored record starts to identify, correspond to the sequence number of current record bag；
3.2）The data content that first coding is corresponding in packet to be stored, a upper packet received is taken respectively,
And calculate the difference of two item data contents of taking-up；
3.3）, will be right in present encoding and packet to be stored if the difference of the two item datas content is more than pre-set threshold value
The data content of item is answered to be stored successively；
3.4）The data content corresponding to next coding in packet to be stored, a upper packet received is taken respectively,
And the difference of two item data contents of taking-up is calculated, return and perform step 3.3）；Until the comparison of all item data contents is completed,
Complete the record storage of packet to be stored；
3.5）Simultaneously stored record end of identification is set.
5. the data recording and storing method according to any one in Claims 1 to 4, it is characterised in that the step 3）
In the step of also including adjusting the preset range with the data content of record storage required for adjusting.
6. the data recording and storing method according to any one in Claims 1 to 4, it is characterised in that also including data
Reduction step 4）, concretely comprise the following steps：
4.1）The record storage position for positioning first packet is reduced, and obtains the items of first data packet recording address book stored successively
Data content, reduction obtain first packet content；
4.2）The record storage position for positioning next packet is reduced, and obtains each of record storage successively according to coding
Item data content, if discontinuous coding wherein be present, obtained from a upper packet corresponding to Unrecorded coding
Data content；Return and perform step 4.2）, until completing the reduction of all packets.
7. data recording and storing method according to claim 6, it is characterised in that the step 4.2）Middle positioning is next
What the record storage position of packet was reduced concretely comprises the following steps：
4.21）Position the position of next packet and reduced as current data packet, obtain current data packet record and deposit
First first coding for encoding and determining whether in regular coding form of storage, if it is, data content corresponding to obtaining；
Otherwise each between first coding for judging to obtain and the first coding does not record coding, and from a upper packet
Each data content not recorded corresponding to coding is obtained in every content successively；
4.22）Obtain record storage next coding, and according to the regular coding form judge with upper one coding whether
Continuously, if it is, data content corresponding to obtaining；Otherwise judge between a upper coding it is each do not record coding, and from
Each data content not recorded corresponding to coding is obtained in every content of a upper packet successively；Return performs step
Rapid 4.22）, until completing the reduction of all data contents, reduction obtains current data packet content.
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| CN101706825A (en) * | 2009-12-10 | 2010-05-12 | 华中科技大学 | Replicated data deleting method based on file content types |
| CN102810108A (en) * | 2011-06-02 | 2012-12-05 | 英业达股份有限公司 | Method for processing repeated data |
| CN103617260A (en) * | 2013-11-29 | 2014-03-05 | 华为技术有限公司 | Index generation method and device for repeated data deletion |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101706825A (en) * | 2009-12-10 | 2010-05-12 | 华中科技大学 | Replicated data deleting method based on file content types |
| CN102810108A (en) * | 2011-06-02 | 2012-12-05 | 英业达股份有限公司 | Method for processing repeated data |
| CN103617260A (en) * | 2013-11-29 | 2014-03-05 | 华为技术有限公司 | Index generation method and device for repeated data deletion |
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Address after: The age of 412001 in Hunan Province, Zhuzhou Shifeng District Road No. 169 Patentee after: ZHUZHOU CRRC TIMES ELECTRIC Co.,Ltd. Address before: The age of 412001 in Hunan Province, Zhuzhou Shifeng District Road No. 169 Patentee before: ZHUZH CSR TIMES ELECTRIC Co.,Ltd. |