CN109597689A - A kind of distributed file system Memory Optimize Method, device, equipment and medium - Google Patents

A kind of distributed file system Memory Optimize Method, device, equipment and medium Download PDF

Info

Publication number
CN109597689A
CN109597689A CN201811504792.0A CN201811504792A CN109597689A CN 109597689 A CN109597689 A CN 109597689A CN 201811504792 A CN201811504792 A CN 201811504792A CN 109597689 A CN109597689 A CN 109597689A
Authority
CN
China
Prior art keywords
osd
array
target array
file system
distributed file
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
Application number
CN201811504792.0A
Other languages
Chinese (zh)
Other versions
CN109597689B (en
Inventor
王庆海
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Inspur Beijing Electronic Information Industry Co Ltd
Original Assignee
Inspur Beijing Electronic Information Industry Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Inspur Beijing Electronic Information Industry Co Ltd filed Critical Inspur Beijing Electronic Information Industry Co Ltd
Priority to CN201811504792.0A priority Critical patent/CN109597689B/en
Publication of CN109597689A publication Critical patent/CN109597689A/en
Application granted granted Critical
Publication of CN109597689B publication Critical patent/CN109597689B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00Arrangements for program control, e.g. control units
    • G06F9/06Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/46Multiprogramming arrangements
    • G06F9/50Allocation of resources, e.g. of the central processing unit [CPU]
    • G06F9/5005Allocation of resources, e.g. of the central processing unit [CPU] to service a request
    • G06F9/5011Allocation of resources, e.g. of the central processing unit [CPU] to service a request the resources being hardware resources other than CPUs, Servers and Terminals
    • G06F9/5016Allocation of resources, e.g. of the central processing unit [CPU] to service a request the resources being hardware resources other than CPUs, Servers and Terminals the resource being the memory

Landscapes

  • Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Semiconductor Memories (AREA)

Abstract

This application discloses a kind of distributed file system Memory Optimize Method, device, equipment and media, comprising: from all OSD examples of OSD module process, determines the existing array relevant to OSDMap in each OSD example, obtains target array;The target array in all OSD examples of the OSD module process is weeded out;The target array is added in the OSDManager of the OSD module process, and is controlled all OSD examples in the OSD module process and shared the target array in the OSDManager.The application is due to weeding out the above-mentioned target array in each OSD example, a target array that can be shared for all OSD examples is only equipped in OSDManager, so as to which more parts of target arrays for being required to consumption memory source originally have been reduced to a target array, the memory source consumption of distributed file system is effectively reduced.

Description

A kind of distributed file system Memory Optimize Method, device, equipment and medium
Technical field
This application involves technical field of memory, in particular to a kind of distributed file system Memory Optimize Method, is set device Standby and medium.
Background technique
Currently, distributed file system is all applied in many fields and industry, market prospects are very good.It is being distributed In formula file system, memory is the very crucial factor for influencing distributed file system performance.However, existing distributed document The consumption of memory source in system is larger, affects the performance of distributed file system.
For this purpose, the memory source consumption for how further decreasing distributed file system is asking up for solution at present Topic.
Summary of the invention
In view of this, the application's is designed to provide a kind of distributed file system Memory Optimize Method, device, equipment And medium, the memory source consumption of distributed file system can be further decreased.Its concrete scheme is as follows:
In a first aspect, this application discloses a kind of distributed file system Memory Optimize Methods, comprising:
From all OSD examples of OSD module process, determine in each OSD example existing with OSDMap phase The array of pass obtains target array;
The target array in all OSD examples of the OSD module process is weeded out;
The target array is added in the OSDManager of the OSD module process, and controls the OSD module process In all OSD examples share the target array in the OSDManager.
Optionally, the target array includes map_cache array, map_bl_cache array and map_bl_inc_ Any one or any several combinations in cache array.
Optionally, the distributed file system Memory Optimize Method, further includes:
The handling function of predetermined registration operation for the target array is encapsulated into the OSDManager, so as to any OSD example is by calling the handling function in the OSDManager to complete the default behaviour for the target array Make.
Optionally, the predetermined registration operation includes any one or any in insertion operation, search operation and delete operation Several combinations.
Second aspect, this application discloses a kind of distributed file system internal memory optimization devices, comprising:
Data determining module, for from all OSD examples of OSD module process, determining in each OSD example Existing array relevant to OSDMap, obtains target array;
Array rejects module, rejects for the target array in all OSD examples by the OSD module process Fall;
Array adding module for adding the target array in the OSDManager of the OSD module process, and is controlled It makes all OSD examples in the OSD module process and shares the target array in the OSDManager.
Optionally, the target array includes map_cache array, map_bl_cache array and map_bl_inc_ Any one or any several combinations in cache array.
Optionally, the distributed file system internal memory optimization device, further includes:
Function package module, for encapsulating the handling function for being directed to the predetermined registration operation of the target array to described In OSDManager, so that any OSD example is by calling the handling function in the OSDManager to complete to be directed to institute State the predetermined registration operation of target array.
Optionally, the predetermined registration operation includes any one or any in insertion operation, search operation and delete operation Several combinations.
The third aspect, this application discloses a kind of distributed file system internal memory optimization equipment, comprising:
Memory, for storing computer program;
Processor, for executing the computer program, to realize aforementioned disclosed distributed file system internal memory optimization Method.
Fourth aspect, this application discloses a kind of computer readable storage mediums, for storing computer program, wherein The computer program realizes aforementioned disclosed distributed file system Memory Optimize Method when being executed by processor.
As it can be seen that the application is from the relevant to OSDMap of each OSD example in distributed file system OSD module process Target array is determined, is then weeded out the above-mentioned target array in each OSD example, and in OSD module process OSDManager in add above-mentioned target array, then control all OSD examples and share and above-mentioned be added to OSDManager In target array.In compared with the existing technology inside each OSD example it is independent be equipped with need to consume memory source with The relevant target array of OSDMap, the application only exist due to weeding out the above-mentioned target array in each OSD example A target array that can be shared for all OSD examples is equipped in OSDManager, so as to be required to consume originally More parts of target arrays of memory source have been reduced to a target array, specifically, due to lower OSD module of usual situation into Include 36 OSD examples in journey, is just equivalent in this way and 36 parts of target arrays for being required to consumption memory source originally are reduced to 1 Part target array.To sum up, the application effectively reduces the memory source consumption of distributed file system.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this The embodiment of application for those of ordinary skill in the art without creative efforts, can also basis The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of distributed file system Memory Optimize Method flow chart disclosed in the present application;
Fig. 2 is a kind of specific distributed file system Memory Optimize Method flow chart disclosed in the present application;
Fig. 3 is a kind of distributed file system internal memory optimization apparatus structure schematic diagram disclosed in the present application.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of embodiments of the present application, instead of all the embodiments.It is based on Embodiment in the application, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall in the protection scope of this application.
The embodiment of the present application discloses a kind of distributed file system Memory Optimize Method, shown in Figure 1, this method packet It includes:
Step S11: from all OSD examples of OSD module process, determine in each OSD example it is existing with The relevant array of OSDMap, obtains target array.
It should be pointed out that the OSD module process of existing distributed file system includes 1 OSDManager and 36 OSD example, and above-mentioned 36 OSD examples are managed by above-mentioned OSDManager.
In the present embodiment, the target array includes map_cache array, map_bl_cache array and map_bl_ Any one or any several combinations in inc_cache array.
Step S12: the target array in all OSD examples of the OSD module process is weeded out.
It in the prior art, include a above-mentioned target array in each OSD example, and in the embodiment of the present application, it is Target array in each OSD example is weeded out, that is, above-mentioned target is no longer contained in the inside of modified OSD example Array.
Step S13: the target array is added in the OSDManager of the OSD module process, and controls the OSD All OSD examples in module process share the target array in the OSDManager.
In the prior art, above-mentioned target array is not included inside OSDManager, the embodiment of the present application is then on determining After stating target array, above-mentioned target array can be added in OSDManager, so that the OSDManager after change It is interior containing a above-mentioned target array, it is subsequent that modified each OSD example in the present embodiment can be allowed to share above-mentioned change Target array in OSDManager afterwards, so that reaching reduces memory source consumption.
As it can be seen that the embodiment of the present application from each OSD example in distributed file system OSD module process and OSDMap Relevant target array is determined, is then weeded out the above-mentioned target array in each OSD example, and in OSD mould Above-mentioned target array is added in the OSDManager of block process, is then controlled all OSD examples and is shared above-mentioned be added to Target array in OSDManager.Independent be equipped with needs to consume memory inside each OSD example in compared with the existing technology The target array relevant to OSDMap of resource, the embodiment of the present application is due to equal by the above-mentioned target array in each OSD example It weeds out, a target array that can be shared for all OSD examples is only equipped in OSDManager, so as to will be originally More parts of target arrays for being required to consumption memory source have been reduced to a target array, specifically, due to one under usual situation It include 36 OSD examples in a OSD module process, 36 parts of targets of consumption memory source will be required to so originally by being just equivalent to Array is reduced to 1 part of target array.To sum up, the embodiment of the present application effectively reduces the memory source of distributed file system Consumption.
Shown in Figure 2, the embodiment of the present application discloses a kind of specific distributed file system Memory Optimize Method, packet It includes:
Step S21: from all OSD examples of OSD module process, determine in each OSD example it is existing with The relevant array of OSDMap obtains map_cache array, map_bl_cache array and map_bl_inc_cache array.
Step S22: by the map_cache array in all OSD examples of the OSD module process, map_bl_cache Array and map_bl_inc_cache array weed out.
Step S23: map_cache array, map_bl_cache are added in the OSDManager of the OSD module process Array and map_bl_inc_cache array, and it is shared described to control all OSD examples in the OSD module process Map_cache array, map_bl_cache array and map_bl_inc_cache array in OSDManager.
Step S24: will be for map_cache array, map_bl_cache array and map_bl_inc_cache array The handling function of predetermined registration operation is encapsulated into the OSDManager, so that any OSD example passes through described in calling The handling function in OSDManager is completed to be directed to map_cache array, map_bl_cache array and map_bl_inc_ The predetermined registration operation of cache array.
Wherein, the predetermined registration operation includes any one or any several in insertion operation, search operation and delete operation The combination of item.
Shown in Figure 3, the embodiment of the present application discloses a kind of distributed file system internal memory optimization device, comprising:
Data determining module 11, for determining in each OSD example from all OSD examples of OSD module process Existing array relevant to OSDMap, obtains target array;
Array rejects module 12, rejects for the target array in all OSD examples by the OSD module process Fall;
Array adding module 13, for adding the target array in the OSDManager of the OSD module process, and It controls all OSD examples in the OSD module process and shares the target array in the OSDManager.
It should be pointed out that the OSD module process of existing distributed file system includes 1 OSDManager and 36 OSD example, and above-mentioned 36 OSD examples are managed by above-mentioned OSDManager.
In the present embodiment, the target array includes map_cache array, map_bl_cache array and map_bl_ Any one or any several combinations in inc_cache array.
It in the prior art, include a above-mentioned target array in each OSD example, and in the embodiment of the present application, it is Target array in each OSD example is weeded out, that is, above-mentioned target is no longer contained in the inside of modified OSD example Array.
In the prior art, above-mentioned target array is not included inside OSDManager, the embodiment of the present application is then on determining After stating target array, above-mentioned target array can be added in OSDManager, so that the OSDManager after change It is interior containing a above-mentioned target array, it is subsequent that modified each OSD example in the present embodiment can be allowed to share above-mentioned change Target array in OSDManager afterwards, so that reaching reduces memory source consumption.
Further, the distributed file system internal memory optimization device in the embodiment of the present application can also include:
Function package module, for encapsulating the handling function for being directed to the predetermined registration operation of the target array to described In OSDManager, so that any OSD example is by calling the handling function in the OSDManager to complete to be directed to institute State the predetermined registration operation of target array.
Wherein, the predetermined registration operation includes any one or any several in insertion operation, search operation and delete operation The combination of item.
As it can be seen that the embodiment of the present application from each OSD example in distributed file system OSD module process and OSDMap Relevant target array is determined, is then weeded out the above-mentioned target array in each OSD example, and in OSD mould Above-mentioned target array is added in the OSDManager of block process, is then controlled all OSD examples and is shared above-mentioned be added to Target array in OSDManager.Independent be equipped with needs to consume memory inside each OSD example in compared with the existing technology The target array relevant to OSDMap of resource, the embodiment of the present application is due to equal by the above-mentioned target array in each OSD example It weeds out, a target array that can be shared for all OSD examples is only equipped in OSDManager, so as to will be originally More parts of target arrays for being required to consumption memory source have been reduced to a target array, specifically, due to one under usual situation It include 36 OSD examples in a OSD module process, 36 parts of targets of consumption memory source will be required to so originally by being just equivalent to Array is reduced to 1 part of target array.To sum up, the embodiment of the present application effectively reduces the memory source of distributed file system Consumption.
Further, disclosed herein as well is a kind of distributed file system internal memory optimization equipment, comprising:
Memory, for storing computer program;
Processor, for executing the computer program, to realize in distributed file system disclosed in previous embodiment Deposit optimization method.
Further, disclosed herein as well is a kind of computer readable storage mediums, for storing computer program, In, distributed file system internal memory optimization side disclosed in previous embodiment is realized when the computer program is executed by processor Method.
It wherein, can be with reference to corresponding contents disclosed in previous embodiment, herein not about the specific steps of the above method It is repeated again.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with it is other The difference of embodiment, same or similar part may refer to each other between each embodiment.For being filled disclosed in embodiment For setting, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is referring to method part Explanation.
The step of method described in conjunction with the examples disclosed in this document or algorithm, can directly be held with hardware, processor The combination of capable software module or the two is implemented.Software module can be placed in random access memory (RAM), memory, read-only deposit Reservoir (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technology In any other form of storage medium well known in field.
Above to a kind of distributed file system Memory Optimize Method, device, equipment and medium provided herein into It has gone and has been discussed in detail, specific examples are used herein to illustrate the principle and implementation manner of the present application, the above implementation The explanation of example is merely used to help understand the present processes and its core concept;Meanwhile for the general technology people of this field Member, according to the thought of the application, there will be changes in the specific implementation manner and application range, in conclusion this explanation Book content should not be construed as the limitation to the application.

Claims (10)

1. a kind of distributed file system Memory Optimize Method characterized by comprising
From all OSD examples of OSD module process, determine existing relevant to OSDMap in each OSD example Array obtains target array;
The target array in all OSD examples of the OSD module process is weeded out;
The target array is added in the OSDManager of the OSD module process, and is controlled in the OSD module process All OSD examples share the target array in the OSDManager.
2. distributed file system Memory Optimize Method according to claim 1, which is characterized in that
The target array includes in map_cache array, map_bl_cache array and map_bl_inc_cache array Any one or any several combinations.
3. distributed file system Memory Optimize Method according to claim 1, which is characterized in that further include:
The handling function of predetermined registration operation for the target array is encapsulated into the OSDManager, so as to any OSD Example is by calling the handling function in the OSDManager to complete the predetermined registration operation for the target array.
4. distributed file system Memory Optimize Method according to claim 3, which is characterized in that
The predetermined registration operation includes any one or any several combinations in insertion operation, search operation and delete operation.
5. a kind of distributed file system internal memory optimization device characterized by comprising
Data determining module, for from all OSD examples of OSD module process, determining exist in each OSD example Array relevant to OSDMap, obtain target array;
Array rejects module, weeds out for the target array in all OSD examples by the OSD module process;
Array adding module for adding the target array in the OSDManager of the OSD module process, and controls institute It states all OSD examples in OSD module process and shares the target array in the OSDManager.
6. distributed file system internal memory optimization device according to claim 5, which is characterized in that
The target array includes in map_cache array, map_bl_cache array and map_bl_inc_cache array Any one or any several combinations.
7. distributed file system internal memory optimization device according to claim 5, which is characterized in that further include:
Function package module, for encapsulating the handling function for being directed to the predetermined registration operation of the target array to described In OSDManager, so that any OSD example is by calling the handling function in the OSDManager to complete to be directed to institute State the predetermined registration operation of target array.
8. distributed file system internal memory optimization device according to claim 7, which is characterized in that
The predetermined registration operation includes any one or any several combinations in insertion operation, search operation and delete operation.
9. a kind of distributed file system internal memory optimization equipment characterized by comprising
Memory, for storing computer program;
Processor, for executing the computer program, to realize such as the described in any item distributed documents of Claims 1-4 Installed System Memory optimization method.
10. a kind of computer readable storage medium, which is characterized in that for storing computer program, wherein the computer journey Such as Claims 1-4 described in any item distributed file system Memory Optimize Methods are realized when sequence is executed by processor.
CN201811504792.0A 2018-12-10 2018-12-10 Distributed file system memory optimization method, device, equipment and medium Active CN109597689B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811504792.0A CN109597689B (en) 2018-12-10 2018-12-10 Distributed file system memory optimization method, device, equipment and medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811504792.0A CN109597689B (en) 2018-12-10 2018-12-10 Distributed file system memory optimization method, device, equipment and medium

Publications (2)

Publication Number Publication Date
CN109597689A true CN109597689A (en) 2019-04-09
CN109597689B CN109597689B (en) 2022-06-10

Family

ID=65962321

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811504792.0A Active CN109597689B (en) 2018-12-10 2018-12-10 Distributed file system memory optimization method, device, equipment and medium

Country Status (1)

Country Link
CN (1) CN109597689B (en)

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1737752A (en) * 2004-08-18 2006-02-22 华为技术有限公司 Managing method for shared data
US20070156973A1 (en) * 2005-12-29 2007-07-05 Christian Fleischer Memory architecture and access method
CN102736945A (en) * 2011-03-31 2012-10-17 国际商业机器公司 A method and a system of running a plurality of instances of an application program
CN102810070A (en) * 2012-07-16 2012-12-05 福建富士通信息软件有限公司 High-performance professional ability packaging process engine and process control method thereof
CN103297456A (en) * 2012-02-24 2013-09-11 阿里巴巴集团控股有限公司 Method for accessing sharing resources in distributed system and distributed system
US20140040566A1 (en) * 2012-08-01 2014-02-06 Boris Burshteyn Method and system for accessing c++ objects in shared memory
CN104364759A (en) * 2012-04-19 2015-02-18 加泰罗尼亚理工大学 Method, system and an executable piece of code for controlling the use of hardware resources of a computer system
CN106951445A (en) * 2017-02-17 2017-07-14 深圳市中博睿存信息技术有限公司 A kind of distributed file system and its memory node loading method
CN107547252A (en) * 2017-06-29 2018-01-05 新华三技术有限公司 A kind of network failure processing method and device
CN107622199A (en) * 2017-09-21 2018-01-23 中国科学院信息工程研究所 Flush Reload cache side-channel attack defence method and device in a kind of cloud environment
WO2018077292A1 (en) * 2016-10-28 2018-05-03 北京市商汤科技开发有限公司 Data processing method and system, electronic device
CN108509157A (en) * 2018-04-13 2018-09-07 郑州云海信息技术有限公司 A kind of data balancing method and device applied to distributed file system

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1737752A (en) * 2004-08-18 2006-02-22 华为技术有限公司 Managing method for shared data
US20070156973A1 (en) * 2005-12-29 2007-07-05 Christian Fleischer Memory architecture and access method
CN102736945A (en) * 2011-03-31 2012-10-17 国际商业机器公司 A method and a system of running a plurality of instances of an application program
CN103297456A (en) * 2012-02-24 2013-09-11 阿里巴巴集团控股有限公司 Method for accessing sharing resources in distributed system and distributed system
CN104364759A (en) * 2012-04-19 2015-02-18 加泰罗尼亚理工大学 Method, system and an executable piece of code for controlling the use of hardware resources of a computer system
CN102810070A (en) * 2012-07-16 2012-12-05 福建富士通信息软件有限公司 High-performance professional ability packaging process engine and process control method thereof
US20140040566A1 (en) * 2012-08-01 2014-02-06 Boris Burshteyn Method and system for accessing c++ objects in shared memory
WO2018077292A1 (en) * 2016-10-28 2018-05-03 北京市商汤科技开发有限公司 Data processing method and system, electronic device
CN106951445A (en) * 2017-02-17 2017-07-14 深圳市中博睿存信息技术有限公司 A kind of distributed file system and its memory node loading method
CN107547252A (en) * 2017-06-29 2018-01-05 新华三技术有限公司 A kind of network failure processing method and device
CN107622199A (en) * 2017-09-21 2018-01-23 中国科学院信息工程研究所 Flush Reload cache side-channel attack defence method and device in a kind of cloud environment
CN108509157A (en) * 2018-04-13 2018-09-07 郑州云海信息技术有限公司 A kind of data balancing method and device applied to distributed file system

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
QINGSONG WEI 等: "DWC2: A dynamic weight-based cooperative caching scheme for object-based storage cluster", 《2008 IEEE INTERNATIONAL CONFERENCE ON CLUSTER COMPUTING》 *
ZHONGYING NIU 等: "Implementing and Evaluating Security Controls for an Object-Based Storage System", 《24TH IEEE CONFERENCE ON MASS STORAGE SYSTEMS AND TECHNOLOGIES (MSST 2007)》 *
周功业 等: "基于对象存储系统中安全机制的研究", 《小型微型计算机系统》 *
樊华: "Visual C++中利用内存映射文件在进程之间共享数据", 《软件导刊》 *

Also Published As

Publication number Publication date
CN109597689B (en) 2022-06-10

Similar Documents

Publication Publication Date Title
US20190068690A1 (en) Automated management of resource attributes across network-based services
US10331504B2 (en) Method and system for extending application programming interfaces
CN103200212B (en) A kind of method and system realizing distributed conversation under cloud computing environment
CN102904947B (en) Applications client shows the method and system of pattern update and/or expansion of content
CN106503058B (en) A kind of data load method, terminal and computing cluster
US20150334043A1 (en) Differential cache for representational state transfer (rest) api
TWI694700B (en) Data processing method and device, user terminal
US20190297082A1 (en) Context-aware device permissioning for hierarchical device collections
EP2778968B1 (en) Mobile telecommunication device remote access to cloud-based or virtualized database systems
US20220014947A1 (en) Dynamic slice reconfiguration during fault-attack-failure-outage (fafo) events
US20130346542A1 (en) Common web accessible data store for client side page processing
US8959069B2 (en) Dynamic configuration of a persistence provider
US20160266812A1 (en) Data storage method and storage server
US20160165407A1 (en) Publishing messages based on geographic area
CN104426952A (en) Data migration method, device and system
DE112020007229T5 (en) FEDERED MEC FRAMEWORK FOR AUTOMOTIVE SERVICES
CN106227769B (en) Date storage method and device
US11153161B2 (en) Internet of things structure with a 3D adaption matrix
JP6779307B2 (en) Method and device for page display
CN109597689A (en) A kind of distributed file system Memory Optimize Method, device, equipment and medium
CN109190071A (en) Mobile terminal caching method and device
US7756909B2 (en) Configuration profiles for output cached pages
CN105095478B (en) The method and device of the creation time of file in a kind of acquisition distributed file system
CN111506232A (en) Method and equipment for controlling menu display in reading application
CN106325925A (en) Browser service information updating method and device

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