CN109033353A - A kind of Power quality management system shared drive update method - Google Patents
A kind of Power quality management system shared drive update method Download PDFInfo
- Publication number
- CN109033353A CN109033353A CN201810828659.4A CN201810828659A CN109033353A CN 109033353 A CN109033353 A CN 109033353A CN 201810828659 A CN201810828659 A CN 201810828659A CN 109033353 A CN109033353 A CN 109033353A
- Authority
- CN
- China
- Prior art keywords
- hash
- shared drive
- address
- record
- data
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Abstract
The present invention provides a kind of Power quality management system shared drive update methods, comprising: S1, by the shared drive table configuration information of different function in Power quality management system database creates corresponding shared drive table object；Shared drive table object is used to load the type and data of various types shared drive table in Power quality management system shared drive；The shared drive table object of S1 step creation is saved in the array by S2, creation shared drive table object array；S3, Power quality management system shared-memory management service processes, which obtain, updates memory command, and the shared drive table data information for needing to update is searched from the shared drive table object of shared drive table object array, is updated.Power quality management system shared drive update method of the present invention makes entire Power quality management system shared drive list data structure using unified addressing system, unified list data structure type, and it is responsible for multi-process read-write task using single shared-memory management service processes.
Description
Technical field
The invention belongs to technical field of communication equipment, update more particularly, to a kind of Power quality management system shared drive
Method.
Background technique
Power quality management system shared drive is to carry out a core of data interaction in its multi-process, and each process can
It is accessed with real-time high-efficiency to it and read-write operation.After data success is by importeding into shared drive in system database, it
It is equivalent to a character string pointer and is directed toward one piece of memory, each process remembers shared drive table data by character string pointer
Record accesses and read-write operation.
Shared drive is a part of physical memory that multiple processes are shared in system, be needed between multiple processes it is to be sharing
The set of some data facilitates and carries out data interaction between multiple processes.One is concisely and efficiently shared drive storage organization, shadow
Ring the data accuracy and stability of whole system.Shared drive storage organization obtains shared drive data and write-in in multi-process
It updates and plays an important role in shared drive data.Shared drive data structure needs that process real-time high-efficiency is facilitated accurately to obtain
The address of shared drive table data, it is desirable to be able to which it is necessary to have one for the various types of tables of data saved required for accurate storage
Fixed fault tolerant mechanism.There are shared drive table structures to mix in the shared drive of existing Power quality management system, and read-write is altogether
It enjoys that memory mechanism is many and diverse, influences the efficiency and stability of read-write of the system process to shared drive data.
Summary of the invention
In view of this, the present invention is directed to propose a kind of Power quality management system shared drive update method, to solve electricity
There are shared drive table structures to mix in shared drive in energy quality control system, many and diverse problem of read-write shared drive mechanism.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
A kind of Power quality management system shared drive update method, comprising:
S1, pass through the shared drive table configuration information of different function in Power quality management system database, creation correspondence
Shared drive table object；Shared drive table object is shared for loading various types in Power quality management system shared drive
The type and data of memory table；
The shared drive table object of S1 step creation is saved in the array by S2, creation shared drive table object array；
S3, Power quality management system shared-memory management service processes, which obtain, updates memory command, from shared drive table
The shared drive table data information for needing to update is searched in the shared drive table object of object array, is updated.
Further, in the step S1, shared drive table includes terminal passageway information table, plant stand intelligence meter information
Table, plant stand terminal information table, system process information table, system server informational table of nodes, system service configuration information table, meter reading
Task template information table, meter reading task setting information table.；
The shared drive table configured in advance is in Power quality management system database, each Power quality management system
After starting, shared-memory management service processes, by loading these shared drive table configuration informations, create and first from database
The corresponding shared drive table object of beginningization；
Every kind of shared drive table object directly saves the table major key ID and table record item data of corresponding types shared drive table.
Further, the shared drive table object includes table major key ID and hash array；
Table major key ID: each shared drive table for identification；
The hash array includes multiple elements, each element is directly bound Power quality management system shared drive table
Each entry data space；Hash array element in shared drive table object is updated be equivalent to directly it is right
Table record item data is operated in Power quality management system shared drive；When shared drive table object hash array data is sent out
Raw to change, other processes can immediately obtain the data of update.
Further, each shared drive table includes a plurality of table record item data, and the table record item data is by corresponding to
Shared drive table object in hash storage of array；
Each element structure of the hash array includes the address hash, table record major key ID, table record data, table record
Attribute, the table record storage address next-hop hash composition；
The address hash: item data is recorded for each shared drive table and is stored in member in shared drive table object hash array
The index of element, which is addressed by using hash function；
Table records major key ID: each table record for identification；
Table records data: recording item data for corresponding table；
Table record attribute: for the flag bit of table record；
The address table record storage next-hop hash: for storing the address hash of next table record, remember when being addressed to table
When record attribute mark position is collision status, indicate to conflict in storage record at this, according to the next-hop of table record storage
The address hash of next storage is directed toward in location；
Shared drive table object hash array indexes next hash array element by the address hash.
Further, the flag bit of the table record attribute includes original state, collision status, has state of value；When being in
Invalid value can be set when abnormal conditions.
The original state is that table records original state position；
Collision status is that table record has conflict place, needs to enter next-hop hash addressing of address；Pass through hash function pair
Hash array is indexed operation, has different table record major key ID that may correspond to the identical address storage hash, needs at this time
It is further addressed into collision status, stores or update associated next hash array element.
Having state of value is that table record has been written into the state updated after memory table record data.
Further, in the step S3, the specific method is as follows for the update of shared drive data:
S301, table major key ID and table record major key ID are obtained in memory command by updating；In shared drive table object number
Group searches shared drive table object by table major key ID, is then recorded in the hash array of the shared drive table object according to table
Major key ID searches the major key ID of all table record item datas, leads if found with the table for the shared drive table for needing to update record
Key ID matching then returns to the table record address hash A, if list of elements record attribute where the A of the address hash is not invalid value,
It then updates and updates table record data in memory command；
If not finding the hash array element of corresponding table record major key ID storage in S302, step S301, lead to
It crosses hash function and calculates the address the hash B that the table record major key ID of the shared drive table should be stored, if the address hash B institute
It is in original state in list of elements record attribute, then carries out table record data and updates, and original state has been changed to state of value, if
Setting the table record storage address next-hop hash is -1, indicates that storing data does not have the address next-hop hash at this；
If list of elements record attribute where the address the hash B in S303, step S302 is not at original state, indicate
Through occupied by other element, needing to enter the collision status of collision addressing, the table for carrying out shared drive table is addressed by collision
Data are recorded to update.
Further, in the step S301, if list of elements record attribute where the A of the address hash is not invalid value, more
The method of new shared drive table are as follows: the flag bit for first obtaining table record attribute, then only update table records number if it is there is state of value
According to shared drive data；If it is original state, then while needing to update table record data, it is also necessary to more by original state
New is to have state of value, and the setting table record storage address next-hop hash is -1.
Further, the step S303, colliding addressing, the specific method is as follows:
S3031, the shared drive table in original state first appeared is successively searched in shared drive table space first
The address hash is recorded, the address hash E is set as；
S3032, after finding, the address table record storage next-hop hash of element where the E of the address hash is first set as hash
The address list of elements record storage next-hop hash where the B of address；
S3033, table record data in memory command are being updated where the E of the address hash in element, the table of the element is being recorded
Attribute has been changed to state of value by original state；
S3034, be set as the address hash E in the address list of elements record storage next-hop hash where the B of the address hash where member
The plain address hash.And collision status will be changed in list of elements record attribute where the B of the address hash.It is equivalent in the address hash B institute
A hash array element has been added after hash array element.
Further, the specific method is as follows for collision addressing in the step S303:
S3021, circulation find element where the address next-hop hash and the consistent address the hash C of the address hash B, the element
Table record attribute is necessary for collision status, otherwise returns to error value；
S3022, the hash array element that first table record attribute is original state, rope are searched in shared drive table
It is cited as hash address D；
S3023, it is set as hash address D in the address list of elements record storage next-hop hash where the C of the address hash, and will
Element where element replacement hash address D where the B of the address hash；Then list of elements record attribute where the setting address hash B is
Initial value；
S3024, it will update in element where the numerical value for needing to update in memory command updates the address hash B, hash be set
Element meter attribute where the B of address is to have state of value, and it is -1 that its table record storage address next-hop hash, which is arranged,；It is equivalent to
It is unappropriated by originally other are moved on to by the place the shared drive table record address the hash B element data that other illegal values occupy
In memory space, the data updated in memory command are then being saved where the B of the address hash in element again again.
Compared with the existing technology, Power quality management system shared drive update method of the present invention has following excellent
Gesture:
Power quality management system shared drive update method of the present invention keeps entire Power quality management system total
Memory list data structure is enjoyed using unified addressing system, unified list data structure type, and uses single shared drive
Management service process is responsible for multi-process read-write task.
Detailed description of the invention
The attached drawing for constituting a part of the invention is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is that shared drive described in the embodiment of the present invention updates flow chart；
Fig. 2 is the storage organization figure of shared drive table object hash array described in the embodiment of the present invention.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply phase
To importance or implicitly indicate the quantity of indicated technical characteristic.The feature for defining " first ", " second " etc. as a result, can
To explicitly or implicitly include one or more of the features.In the description of the present invention, unless otherwise indicated, " multiple "
It is meant that two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition
Concrete meaning in the present invention.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
Under every other embodiment obtained, shall fall within the protection scope of the present invention.
As shown in Figure 1, needing the shared drive carried out to update step before starting of the embodiment of the present invention:
1. starting shared drive process.
2. importing shared drive table information from database.
3. creating every kind of table object according to every kind of shared drive table.Shared drive table includes terminal passageway information table, plant stand
Intelligent meter information table, plant stand terminal information table, system process information table, system server informational table of nodes, system service are matched
Set information table, meter reading task template information table, meter reading task setting information table.Shared drive table object includes table major key ID and table
Data.Table major key ID is mainly used for shared drive service processes retrieval data.
4. creating shared drive table object array, shared drive table object is saved in the array.In being shared in step 3
Depositing table object, all concentration is saved in shared drive table object array.
5. Power quality management system shared-memory management service processes, which obtain, updates local shared drive order Synch.
6. Power quality management system shared-memory management service processes are by updating local shared drive order, from shared
The shared drive table data information for needing to update is obtained in memory table object array.
7. the shared drive table object by step 6 obtains hash array element.
8. passing through memory refreshing new mechanism hash array element.
When needing more new contribution memory table record data, the specific method is as follows:
A. table major key ID and table record major key ID are obtained in memory command by updating.It is logical in shared drive table object array
It crosses table major key ID and searches shared drive table object, major key is then recorded according to table in the hash array of the shared drive table object
ID searches the major key ID of all table record item datas, if found and the table for the shared drive table for needing to update record major key ID
Matching then returns to the table record address hash A, if list of elements record attribute where the A of the address hash is not invalid value, more
It is new to update table record data in memory command.
B. if not finding the hash array element of corresponding table record major key ID storage in " step a ", pass through
Hash function calculates the address the hash B that the table record major key ID of the shared drive table should be stored, if where the B of the address hash
List of elements record attribute is in original state, then carries out table record data and update, and original state has been changed to state of value, be arranged
The table record storage address next-hop hash is -1, indicates that storing data does not have the address next-hop hash at this.
C. if list of elements record attribute where the address hash B in " step b " is not at original state, indicate by
It occupied by other element, needs to enter the collision status of collision addressing, is recorded by the table that collision addressing carries out shared drive table
The specific method that data update collision addressing more new data is successively to search the place first appeared in shared drive table space first
The address hash is recorded in the shared drive table of original state, is set as the address hash E.It then, first will be where the E of the address hash after finding
The address list of elements record storage next-hop hash where the address table record storage next-hop hash of element is set as the address hash B.
Table record data in memory command are being updated where the E of the address hash in element later, by the table record attribute of the element by initial
State has been changed to state of value.Finally the address hash E is set as in the address list of elements record storage next-hop hash where the B of the address hash
The place address element hash.And collision status will be changed in list of elements record attribute where the B of the address hash.If do not found
The address hash E active position, then setting shared drive table record attribute is in the record of the shared drive table record address hash E
Collision status and the setting address next-hop hash are error value.
D. if in " step c " outside situation, i.e., other are stored in the table record of the shared drive table record address hash B
Invalid value.Circulation finds element where the address next-hop hash and the consistent address the hash C of the address hash B, the list of elements at this time
Record attribute is necessary for collision status, and otherwise returning to error value, then first table record attribute of lookup is in shared drive table
The hash array element of original state, index are hash address D.Later under list of elements record storage where the C of the address hash
The one jump address hash is set as hash address D, and element where the B of the address hash is replaced hash address D place element；Then it sets
List of elements record attribute where setting the address hash B is initial value.The numerical value for needing to update in memory command will be finally updated to update
Where the B of the address hash in element, element meter attribute where the setting address hash B is to have state of value, and its table record is arranged
Storing the address next-hop hash is -1.It is equivalent to and the shared drive table originally occupied by other illegal values is recorded into the address hash B
Place element data moves on in other unappropriated memory spaces, is then saving in element where the B of the address hash again again
Update the data in memory command.
9. completing shared drive to update.
As shown in Fig. 2, in the embodiment of the present invention shared drive table object hash array storage organization figure:
1. a shared memory file includes multiple shared drive tables, each shared drive table is stored in this file not
Same region mainly navigates to the shared drive table storage region required to look up by shared drive table number (ID).It finds altogether
After enjoying memory table storage region, each record inside shared drive table, the master of these records are further just required to look up
Key ID is just to discriminate between different entries inside the same shared drive table.So there are two ID for system, one is on a large scale, one
It is small-scale.It is the data base table recording composition of the same type of storage in shared drive table.Each shared drive table includes multiple
Table record, each storage interrecord structure includes the address hash of storage, table record major key ID, table records data, table record belongs to
Property and table record storage next hop address.
2. " address Hash " is that each table record storage is indexed in the hash array element of shared drive table object, the ground
Location is addressed using hash function." table records major key ID " is the major key for table record, same shared for distinguishing
Other records of memory table." table record data " are exactly shared drive table record core, are shared drive data storage places,
It is the main place for updating shared drive operation.There are many shared drive tables in Power quality management system shared drive, often
A kind of " table record data " structure of the shared drive table record of shared drive table is identical, the shared drive of different sharing memory table
" the table record data " of table record are data item and content that be different, being stored with flexible setting " table record data ", root
It is set according to the content of different sharing memory table." table record attribute " is the flag bit of the record, and flag bit is divided into " initial shape
State ", " collision status ", " having state of value ".Wherein " original state " is that shared drive table records original state position, " collision status "
There is conflict place for shared drive table record, needs to enter next-hop hash addressing of address." having state of value " is shared drive table
Record has been written into the state updated after memory table record data." address table record storage next-hop hash " stores next altogether
The address hash for enjoying memory table record is table note when being addressed to " table record attribute " flag bit and being " collision status " at this
When recording item data, indicates to conflict in storage record at this, " the table record storage of shared drive table record herein need to be accessed
The address hash array element pointed by the address next-hop hash ".
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of Power quality management system shared drive update method characterized by comprising
S1, by the shared drive table configuration information of different function in Power quality management system database, create corresponding total
Enjoy memory table object；Shared drive table object is for loading various types shared drive in Power quality management system shared drive
The type and data of table；
The shared drive table object of S1 step creation is saved in the array by S2, creation shared drive table object array；
S3, Power quality management system shared-memory management service processes, which obtain, updates memory command, from shared drive table object
The shared drive table data information for needing to update is searched in the shared drive table object of array, is updated.
2. Power quality management system shared drive update method according to claim 1, which is characterized in that the step
In S1, shared drive table includes terminal passageway information table, plant stand intelligence meter information table, plant stand terminal information table, system process
Information table, system server informational table of nodes, system service configuration information table, meter reading task template information table, meter reading task are set
Set information table.；
The shared drive table configured in advance is in Power quality management system database, each Power quality management system starting
Afterwards, shared-memory management service processes are from database by loading these shared drive table configuration informations, creation and initialization
Corresponding shared drive table object；
Every kind of shared drive table object directly saves the table major key ID and table record item data of corresponding types shared drive table.
3. Power quality management system shared drive update method according to claim 1, it is characterised in that: described shared
Memory table object includes table major key ID and hash array；
Table major key ID: each shared drive table for identification；
The hash array includes multiple elements, and it is each that each element is directly bound Power quality management system shared drive table
Entry data space；Hash array element in shared drive table object is updated and is equivalent to directly to electric energy
Table record item data is operated in quality control system shared drive；When shared drive table object hash array data changes
Become, other processes can immediately obtain the data of update.
4. Power quality management system shared drive update method according to claim 3, it is characterised in that: each shared
Memory table includes a plurality of table record item data, and the table record item data is by hash array in corresponding shared drive table object
Storage；
Each element structure of the hash array includes the address hash, table record major key ID, table record data, table record category
Property, the table record storage address next-hop hash composition；
The address hash: item data is recorded for each shared drive table and is stored in element in shared drive table object hash array
Index, which is addressed by using hash function；
Table records major key ID: each table record for identification；
Table records data: recording item data for corresponding table；
Table record attribute: for the flag bit of table record；
The address table record storage next-hop hash: for storing the address hash of next table record, belong to when being addressed to table record
Property flag bit when being collision status, indicate at this to conflict in storage record, according to the next hop address of table record storage, refer to
To the address hash of next storage；
Shared drive table object hash array indexes next hash array element by the address hash.
5. Power quality management system shared drive update method according to claim 3, it is characterised in that: the table note
The flag bit of record attribute includes original state, collision status, has state of value；When being in abnormal conditions, invalid value can be set.
The original state is that table records original state position；
Collision status is that table record has conflict place, needs to enter next-hop hash addressing of address；By hash function to hash
Array is indexed operation, has different table record major key ID that may correspond to the identical address storage hash, needs to enter at this time
Collision status further addresses, and stores or update associated next hash array element.
Having state of value is that table record has been written into the state updated after memory table record data.
6. Power quality management system shared drive update method according to claim 1, which is characterized in that the step
In S3, the specific method is as follows for the update of shared drive data:
S301, table major key ID and table record major key ID are obtained in memory command by updating；It is logical in shared drive table object array
It crosses table major key ID and searches shared drive table object, major key is then recorded according to table in the hash array of the shared drive table object
ID searches the major key ID of all table record item datas, if found and the table for the shared drive table for needing to update record major key ID
Matching then returns to the table record address hash A, if list of elements record attribute where the A of the address hash is not invalid value, more
It is new to update table record data in memory command；
If not finding the hash array element of corresponding table record major key ID storage in S302, step S301, pass through
Hash function calculates the address the hash B that the table record major key ID of the shared drive table should be stored, if where the B of the address hash
List of elements record attribute is in original state, then carries out table record data and update, and original state has been changed to state of value, be arranged
The table record storage address next-hop hash is -1, indicates that storing data does not have the address next-hop hash at this；
If list of elements record attribute where the address hash B in S303, step S302 is not at original state, indicate by
It occupied by other element, needs to enter the collision status of collision addressing, is recorded by the table that collision addressing carries out shared drive table
Data update.
7. Power quality management system shared drive update method according to claim 6, which is characterized in that the step
In S301, if list of elements record attribute where the A of the address hash is not invalid value, the method for shared drive table is updated are as follows: first obtain
The flag bit for taking table record attribute, if it is have state of value then only update table record data shared drive data；If it is first
Beginning state, then while needing to update table record data, it is also necessary to original state has been updated to state of value, setting table record is deposited
Storing up the address next-hop hash is -1.
8. Power quality management system shared drive update method according to claim 7, which is characterized in that the step
S303, colliding addressing, the specific method is as follows:
S3031, the shared drive table record in original state first appeared is successively searched in shared drive table space first
The address hash is set as the address hash E；
S3032, after finding, the address table record storage next-hop hash of element where the E of the address hash is first set as the address hash B
The place address list of elements record storage next-hop hash；
S3033, table record data in memory command are being updated where the E of the address hash in element, by the table record attribute of the element
State of value has been changed to by original state；
S3034, be set as the address hash E in the address list of elements record storage next-hop hash where the B of the address hash where element
The address hash.And collision status will be changed in list of elements record attribute where the B of the address hash.It is equivalent to where the B of the address hash
A hash array element has been added after hash array element.
9. Power quality management system shared drive update method according to claim 5, which is characterized in that the step
The specific method is as follows for collision addressing in S303:
S3021, circulation find element where the address next-hop hash and the consistent address the hash C of the address hash B, list of elements note
Record attribute is necessary for collision status, otherwise returns to error value；
S3022, the hash array element that first table record attribute is original state is searched in shared drive table, index is
Hash address D；
S3023, hash address D is set as in the address list of elements record storage next-hop hash where the C of the address hash, and by hash
Element where element replacement hash address D where the B of address；Then list of elements record attribute where the setting address hash B is initial
Value；
S3024, it will update in element where the numerical value for needing to update in memory command updates the address hash B, the address hash B be set
Place element meter attribute is to have state of value, and it is -1 that its table record storage address next-hop hash, which is arranged,；Being equivalent to will be former
Other unappropriated storages are first moved on to by the place the shared drive table record address the hash B element data that other illegal values occupy
In space, the data updated in memory command are then being saved where the B of the address hash in element again again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810828659.4A CN109033353B (en) | 2018-07-25 | 2018-07-25 | Electric energy quality management system shared memory updating method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810828659.4A CN109033353B (en) | 2018-07-25 | 2018-07-25 | Electric energy quality management system shared memory updating method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109033353A true CN109033353A (en) | 2018-12-18 |
| CN109033353B CN109033353B (en) | 2022-04-15 |
Family
ID=64645286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810828659.4A Active CN109033353B (en) | 2018-07-25 | 2018-07-25 | Electric energy quality management system shared memory updating method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109033353B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20190384725A1 (en) * | 2018-01-09 | 2019-12-19 | Qualcomm Incorporated | Method, apparatus, and system for storing memory encryption realm key ids |
| CN113473039A (en) * | 2021-06-18 | 2021-10-01 | 苏州浪潮智能科技有限公司 | Multi-channel video storage method and system |
| CN113535418A (en) * | 2020-04-16 | 2021-10-22 | 新疆金风科技股份有限公司 | Multi-process operation method and device for wind power plant |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7107260B2 (en) * | 1999-08-12 | 2006-09-12 | International Business Machines Corporation | Data access system |
| CN1848111A (en) * | 2005-04-15 | 2006-10-18 | 中兴通讯股份有限公司 | Realizing method of a data operating interface used in internal-memory database |
| CN102495891A (en) * | 2011-12-09 | 2012-06-13 | 北京科东电力控制系统有限责任公司 | Method for realizing real-time database for miniature power grid intelligent terminal |
| CN103164490A (en) * | 2011-12-19 | 2013-06-19 | 北京新媒传信科技有限公司 | Method and device for achieving high-efficient storage of data with non-fixed lengths |
| US10027346B2 (en) * | 2015-05-11 | 2018-07-17 | Via Alliance Semiconductor Co., Ltd. | Hardware data compressor that maintains sorted symbol list concurrently with input block scanning |
-
2018
- 2018-07-25 CN CN201810828659.4A patent/CN109033353B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7107260B2 (en) * | 1999-08-12 | 2006-09-12 | International Business Machines Corporation | Data access system |
| CN1848111A (en) * | 2005-04-15 | 2006-10-18 | 中兴通讯股份有限公司 | Realizing method of a data operating interface used in internal-memory database |
| CN102495891A (en) * | 2011-12-09 | 2012-06-13 | 北京科东电力控制系统有限责任公司 | Method for realizing real-time database for miniature power grid intelligent terminal |
| CN103164490A (en) * | 2011-12-19 | 2013-06-19 | 北京新媒传信科技有限公司 | Method and device for achieving high-efficient storage of data with non-fixed lengths |
| US10027346B2 (en) * | 2015-05-11 | 2018-07-17 | Via Alliance Semiconductor Co., Ltd. | Hardware data compressor that maintains sorted symbol list concurrently with input block scanning |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20190384725A1 (en) * | 2018-01-09 | 2019-12-19 | Qualcomm Incorporated | Method, apparatus, and system for storing memory encryption realm key ids |
| US11789874B2 (en) * | 2018-01-09 | 2023-10-17 | Qualcomm Incorporated | Method, apparatus, and system for storing memory encryption realm key IDs |
| CN113535418A (en) * | 2020-04-16 | 2021-10-22 | 新疆金风科技股份有限公司 | Multi-process operation method and device for wind power plant |
| CN113473039A (en) * | 2021-06-18 | 2021-10-01 | 苏州浪潮智能科技有限公司 | Multi-channel video storage method and system |
| CN113473039B (en) * | 2021-06-18 | 2022-12-02 | 苏州浪潮智能科技有限公司 | Multi-channel video storage method and system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109033353B (en) | 2022-04-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103150394B (en) | Distributed file system metadata management method facing to high-performance calculation | |
| CN109033353A (en) | A kind of Power quality management system shared drive update method | |
| CN101944115B (en) | Method and system for searching logs | |
| CN103186653A (en) | Method and equipment for assistance inquiry, method and equipment for inquiry, and named query system | |
| CN102298633B (en) | Method and system for investigating repeated data in distributed mass data | |
| CN103488710B (en) | The non-fixed-length data method of efficient storage in big data page | |
| CN101772043B (en) | Office data checking method and device | |
| CN105608214B (en) | The method that fast search is carried out to the number-plate number of deploying to ensure effective monitoring and control of illegal activities | |
| CN102959548B (en) | Date storage method, lookup method and device | |
| CN109213820A (en) | Method for realizing fusion use of multiple types of databases | |
| CN108595523A (en) | device data retrieval model construction method, device and computer equipment | |
| CN108446308A (en) | The system and method for scalable distributed database | |
| CN108268216A (en) | Data processing method, device and server | |
| CN101706815B (en) | Database equipment and system | |
| CN102768666A (en) | Method and system for storing and reading industrial data | |
| CN102609492A (en) | Metadata management method supporting variable table modes | |
| US20140052710A1 (en) | Device and method of mass data storage based on tree structure | |
| CN108153495A (en) | Date storage method, device and data-storage system | |
| CN104598652B (en) | A kind of data base query method and device | |
| CN107704475A (en) | Multilayer distributed unstructured data storage method, querying method and device | |
| CN103793401A (en) | Method and device for creating sharing indexes of a plurality of database tables | |
| CN116680278A (en) | Data processing method, device, electronic equipment and storage medium | |
| CN104778016A (en) | Automatic storage control method for multi-storage equipment environments | |
| CN101604309A (en) | Dram mapped data storehouse and management method thereof | |
| CN114840487A (en) | Metadata management method and device for distributed file system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |