CN106598503B - The method and apparatus that optimization virtual disk occupies memory space under a kind of cloud platform - Google Patents
The method and apparatus that optimization virtual disk occupies memory space under a kind of cloud platform Download PDFInfo
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- CN106598503B CN106598503B CN201611209018.8A CN201611209018A CN106598503B CN 106598503 B CN106598503 B CN 106598503B CN 201611209018 A CN201611209018 A CN 201611209018A CN 106598503 B CN106598503 B CN 106598503B
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000005457 optimization Methods 0.000 title description 8
- 238000012217 deletion Methods 0.000 claims description 27
- 230000037430 deletion Effects 0.000 claims description 27
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000012545 processing Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
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- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
- G06F3/0638—Organizing or formatting or addressing of data
- G06F3/0643—Management of files
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
- G06F3/0646—Horizontal data movement in storage systems, i.e. moving data in between storage devices or systems
- G06F3/0652—Erasing, e.g. deleting, data cleaning, moving of data to a wastebasket
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
- G06F3/0662—Virtualisation aspects
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0668—Interfaces specially adapted for storage systems adopting a particular infrastructure
- G06F3/067—Distributed or networked storage systems, e.g. storage area networks [SAN], network attached storage [NAS]
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0668—Interfaces specially adapted for storage systems adopting a particular infrastructure
- G06F3/0671—In-line storage system
- G06F3/0673—Single storage device
- G06F3/0674—Disk device
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Abstract
The invention discloses the method and apparatus for optimizing virtual disk occupancy memory space under a kind of cloud platform, wherein method includes: to receive document to delete instruction；The corresponding memory space of document in instruction is deleted to the document to be filled, and forms filling space；Delete mirror image space corresponding with the filling space in cloud host disk mirror image space.Optimize the method and apparatus that virtual disk occupies memory space under the cloud platform, by executing delete operation to the user inside cloud host, but the memory space not discharged really is identified, i.e. after the document that cloud host receives user deletes instruction, its corresponding space is identified, filled and discharged, and the disk mirroring space of cloud host is subjected to corresponding arrangement, mirror image space corresponding with the filling space in cloud host disk mirror image space is deleted, achievees the purpose that really to discharge memory space.
Description
Technical field
The present invention relates to clouds to add technical field of data storage, accounts for more particularly to virtual disk is optimized under a kind of cloud platform
With the method and apparatus of memory space.
Background technique
Being constantly progressive and develop with society, demand of the people to data processing is continuously increased.And the meter of user oneself
Calculation machine resource is limited, can not carry out large-scale operation and data processing.If handled using mainframe computer, need specially
The reservation of door, use cost are high.Meanwhile the computer resource of many users in Many times be it is idle, computer hardware and
The development of software is very rapidly that the utilization efficiency that will cause the computer resource in society in this way is very low, causes entire society
The wasting of resources of meeting.
In view of the situation, cloud computing platform obtains quick development.In cloud computing platform, user only needs to pass through visitor
Family end logs in cloud computing platform, and data processing is carried out on cloud computing platform, to the hardware requirement of the local computer of user
Lower, user saves cost without upgrading hardware of marching into the arena.And for cloud calculates platform, due to the progress needed in society
The demand and scale of data processing are gradually increasing, and reduce the cost that user carries out data processing, also reduce cloud platform
Average unit cost is run, so that the whole calculating of society is substantially improved from the utilization efficiency of resource.
Under cloud computing platform, since the quantity of user is very more, very frequent, the memory space of use of storage resource
Resource consumption is extremely quick, this just needs largely to store equipment, and cost is very high.And there are many delete operations inside cloud host
In be not released memory space really, cause the waste of storage resource.
Summary of the invention
The object of the present invention is to provide the method and apparatus for optimizing virtual disk occupancy memory space under a kind of cloud platform, release
The memory space that cloud body interior is completed delete operation but do not discharged really is put, the service efficiency of memory space is improved.
In order to solve the above technical problems, the embodiment of the invention provides optimize virtual disk under a kind of cloud platform to occupy storage
The method in space, comprising:
It receives document and deletes instruction；
The corresponding memory space of document in instruction is deleted to the document to be filled, and forms filling space；
Delete mirror image space corresponding with the filling space in cloud host disk mirror image space.
Wherein, the corresponding memory space of document in document deletion instruction is filled, comprising:
The corresponding memory space of document in instruction is deleted to the document and carries out zero padding.
Wherein, the corresponding memory space of document in document deletion instruction is filled, and it is empty to form filling
Between, comprising:
Instruction is deleted after a predetermined period of time receiving the document, and the document pair in instruction is deleted to the document
The memory space answered is filled.
Wherein, described to receive the document deletion instruction after a predetermined period of time, the document is deleted and is instructed
In the corresponding memory space of document be filled, further includes:
Judge in the predetermined amount of time for receiving the document deletion instruction, if receive Document retrieval instruction；
If so, restore the document, and stop deleting the document the corresponding memory space of document in instruction into
Row filling is filled if it is not, then deleting the corresponding memory space of document in instruction to the document.
Wherein, it is also wrapped after mirror image space corresponding with the filling space in the deletion cloud host disk mirror image
It includes:
The cloud host disk mirror image space is converted, will be filled out described in deletion in the cloud host disk mirror image space
The disk mirroring space after the corresponding mirror image space in space is filled as new cloud host disk mirror image space.
In addition to this, the embodiment of the invention also provides the dresses for optimizing virtual disk occupancy memory space under a kind of cloud platform
It sets, comprising:
Receiving module, the document for receiving the sending of cloud host delete instruction；
Module is filled, command reception module is deleted with the document and connect, deletes command reception receiving the document
After the document that module issues deletes instruction, the corresponding memory space of document in instruction is deleted to the document and is filled, shape
At filling space；
Conversion module is connect with the filling module, and the document in instruction is deleted the document in the filling module
Corresponding memory space is filled, formed filling space after, delete in the cloud host disk mirror image space with the filling
The corresponding mirror image space in space.
Wherein, further includes:
Timing module is connect with the filling module, is received after the document deletes instruction and is opened in the filling module
It is empty to control the corresponding storage of document that the filling module deletes the document in instruction after predetermined amount of time for beginning timing
Between be filled, formed filling space.
Wherein, further includes:
Judgment module is connect, the institute after the timely module starts timing with the timing module, the filling module
Predetermined amount of time is stated, judges whether to receive Document retrieval instruction, if it is, restoring the document, and cancels the document
Instruction is deleted, the filling module stops being filled the corresponding memory space of document in document deletion instruction, if
No, then after the timely module completes timing, the filling module is corresponding to the document in document deletion instruction to be deposited
Storage space is filled.
Wherein, further includes:
Mark module is filled, is connect with the filling module, the filling module is stored using the filling mark module
Filling mark to the document delete instruction in the corresponding memory space of document be filled.
Optimize the method and apparatus that virtual disk occupies memory space under cloud platform provided in an embodiment of the present invention, and it is existing
Technology compare have the advantage that
Optimize the method that virtual disk occupies memory space under cloud platform provided in an embodiment of the present invention, comprising:
It receives document and deletes instruction；
The corresponding memory space of document in instruction is deleted to the document to be filled, and forms filling space；
Delete mirror image space corresponding with the filling space in cloud host disk mirror image space.
Optimize the device that virtual disk occupies memory space under cloud platform provided in an embodiment of the present invention, comprising:
Receiving module, the document for receiving the sending of cloud host delete instruction；
Module is filled, command reception module is deleted with the document and connect, deletes command reception receiving the document
After the document that module issues deletes instruction, the corresponding memory space of document in instruction is deleted to the document and is filled, shape
At filling space；
Conversion module is connect with the filling module, and the document in instruction is deleted the document in the filling module
Corresponding memory space is filled, formed filling space after, delete in the cloud host disk mirror image space with the filling
The corresponding mirror image space in space.
Optimize the method and apparatus that virtual disk occupies memory space under the cloud platform, by having executed document in user
After delete operation, obtains the document that user executes and deletes behaviour's instruction, instruction memory size then is deleted to the document and is filled,
Filling space is formed, mirror image space corresponding with the filling space in cloud host disk mirror image space is deleted, storage in this way is empty
Between in execution the memory space of delete operation really discharged, cloud host disk mirror image space is corresponding with deleted document
Space is deleted, and carries out the arrangement of disk mirroring space, the disk mirroring of cloud host is become smaller, cloud storage space is saved, and is improved
The utilization efficiency of memory space saves storage resource, reduces the cost of cloud storage.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, 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 the present invention
Some embodiments for those of ordinary skill in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is a kind of tool for the method that optimization virtual disk occupies memory space under cloud platform provided in an embodiment of the present invention
The step flow diagram of body embodiment；
Fig. 2 is that optimization virtual disk occupies device one kind of memory space specifically under cloud platform provided in an embodiment of the present invention
The structural schematic diagram of embodiment；
Fig. 3 is that optimization virtual disk occupies device one kind of memory space specifically under cloud platform provided in an embodiment of the present invention
The structural schematic diagram of embodiment.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to FIG. 1, Fig. 1 is the side that optimization virtual disk occupies memory space under cloud platform provided in an embodiment of the present invention
A kind of step flow diagram of specific embodiment of method.
In a specific embodiment, optimize the method that virtual disk occupies memory space under the cloud platform, comprising:
Step 1, it receives document and deletes instruction；
Step 2, the corresponding memory space of document in instruction is deleted to the document to be filled, form filling space；
Step 3, mirror image space corresponding with the filling space in cloud host disk mirror image space is deleted.
Behaviour's instruction is deleted by after user has executed document delete operation, obtaining the document that user executes, then to this
Document delete instruction memory size be filled, formed filling space, delete cloud host disk mirror image space in the filling
The corresponding mirror image space in space, execution in such memory space the memory space of delete operation really discharged, cloud host
Disk mirroring space space corresponding with deleted document is deleted, and the arrangement of disk mirroring space is carried out, by the disk of cloud host
Mirror image becomes smaller, and saves cloud storage space, improves the utilization efficiency of memory space, saves storage resource, reduce cloud storage at
This.
The present invention identifies deleted disk space, is subsequently filled, converts, and the disk mirroring of cloud host is become
It is small, cloud storage space is saved, the utilization efficiency of memory space is improved, storage resource is saved, reduces the cost of cloud storage.
In a specific embodiment, described that the corresponding memory space progress of document in instruction is deleted to the document
Filling, comprising:
The corresponding memory space of document in instruction is deleted to the document and carries out zero padding.
It is filled out it should be pointed out that deleting the corresponding memory space of document in instruction to the document in the present invention
It fills, is really released in order to which the corresponding memory space of document deleted the document in instruction is deleted from instruction to practical deletion
Corresponding memory space is put, it is enforceable that the memory space is subjected to recovery operation, and in the mistake for withdrawing memory space
It is necessary to be marked accordingly to it in journey, to be different from user's memory space currently in use, in addition to described in the present invention
Document deletes the corresponding memory space of document in instruction and carries out zero padding, can also carry out the filling of other marks, this hair
It is bright that this is not especially limited.
And the case where just as sometimes will appear maloperation locally using memory space.User accidentally will not
The document of the deletion is deleted, this is solved very well in the computer locally used, because deleted document is to be directly entered back
Station is received, if forcing to delete the document in recycle bin, still can be restored.But under cloud platform, if once cloud is flat
Platform is just filled operation at once, exactly covers memory space, use after receiving user and carrying out document deletion instruction
Family can not carry out Document retrieval operation, and document can not be retrieved.Therefore the generation to avoid this case, it is also necessary to
Certain operation is carried out, after receiving the document operation command of user, covering is not filled to corresponding memory space at once,
But wait for a period of time, if the operation that user is not new, illustrate it is that correctly, there is no accidentally for the deletion of the document
At this moment operation can be carried out the filling covering for deleting document memory space.Therefore described that the document is deleted in instruction
The corresponding memory space of document be filled, formed filling space, comprising:
Instruction is deleted after a predetermined period of time receiving the document, and the document pair in instruction is deleted to the document
The memory space answered is filled.
It should be pointed out that the present invention is fixed under not doing specifically to the time span of the predetermined amount of time, default can be
One period, such as 5 minutes, it is also possible to user and oneself is setting, carry out value-added service, the present invention does not do this specifically
It limits.
If the user find that the deletion of document is maloperation, it is necessary to restore to document, therefore, in a kind of specific reality
It applies in mode, it is within a predetermined period of time, described to receive the document deletion instruction after a predetermined period of time, to the text
The corresponding memory space of document that shelves are deleted in instruction is filled, further includes:
Judge in the predetermined amount of time for receiving the document deletion instruction, if receive Document retrieval instruction；
If so, restore the document, and stop deleting the document the corresponding memory space of document in instruction into
Row filling is filled if it is not, then deleting the corresponding memory space of document in instruction to the document.
If it is determined that being maloperation, then recovery operation is carried out to document, while cancelling corresponding document and deleting instruction, it is no
Then, illustrate that the instruction that the document is deleted is correctly, as long as predetermined amount of time one terminates, can be filled operation, release is deposited
Store up space.
And due to the disk of cloud host carry out space with memory space be it is corresponding, memory space using how much, carry out sky
Between just it is corresponding increase how much.If memory space is filled operation and forms filling space, be also in disk mirroring into
The corresponding padding of row, but the size of disk mirroring still and before deleting is not different, and is not reduced, to change this
One situation needs to convert it, and really the disk mirroring of cloud host becomes smaller.Therefore, in the deletion cloud host disk
In mirror image after mirror image space corresponding with the filling space, further includes:
The cloud host disk mirror image space is converted, will be filled out described in deletion in the cloud host disk mirror image space
The disk mirroring space after the corresponding mirror image space in space is filled as new cloud host disk mirror image space.
By the way that the magnetic after the corresponding mirror image space in the filling space will be deleted in the cloud host disk mirror image space
The part being filled in disk mirroring is deleted, as new cloud host disk mirror image space to magnetic in disk mirroring space
Disk mirroring is reduced weight accordingly, is similar to disk fragments and is arranged, really save cloud storage space, reduces cloud storage cost.
Both reduced the operating cost of the memory space of cloud platform, also reduce can user use cost.
In addition to this, the embodiment of the invention also provides the dresses for optimizing virtual disk occupancy memory space under a kind of cloud platform
It sets, as shown in Figures 2 and 3, comprising:
Receiving module 10, the document for receiving the sending of cloud host delete instruction；
Module 20 is filled, command reception module 10 is deleted with the document and connect, deletes instruction receiving the document
After the document that receiving module 10 issues deletes instruction, the corresponding memory space of document in instruction is deleted to the document and is filled out
It fills, forms filling space；
Conversion module 30 is connect with the filling module 20, is deleted in instruction in the filling module 20 document
The corresponding memory space of document be filled, formed filling space after, delete in the cloud host disk mirror image space with institute
State the corresponding mirror image space in filling space.
In the present invention, receiving module 10 receives the document that cloud host issues and deletes instruction, refers to that user carries out document deletion
When operational order, the document that cloud platform will receive user deletes instruction, and the document deletion instruction is transmitted to excellent by such cloud platform
Change the receiving module 10 in the device of virtual disk occupancy memory space, is started and carried out disk space optimization operation.
Certainly, document here deletes instruction and deletes instruction in addition to can be the document of user's sending, can also be that cloud is flat
The space that document that platform is issued according to user the deletes instruction triggers corresponding document that releases order deletes instruction.
Due to during document is deleted, it some times happens that the case where maloperation or document is deleted it by user
Afterwards, regret after a period of time, it is found that there are also utility values for deleted document.If user also needs without remedial measure
It reworks, wastes time and efforts.For the generation for avoiding this case, optimization virtual disk is accounted under the cloud platform
With the device of memory space further include:
Timing module 40 is connect with the filling module 20, is received the document deletion in the filling module 20 and is referred to
Start timing after order, after predetermined amount of time, it is corresponding to control the document that the filling module 20 deletes the document in instruction
Memory space be filled, formed filling space.
By the buffer time of increase predetermined amount of time, is accounted for user, do not execute padding at once, if
In predetermined amount of time, user is the discovery that maloperation, can be remedied, and the practicability in cloud platform space is increased.
It should be pointed out that the present invention is not specifically limited the length of predetermined amount of time, can by user or system into
Row setting.
And it is the discovery that maloperation within a predetermined period of time, Yao Huifu document at this moment may be with the filling to be executed at once
Operation conflicts, and is at this moment just judged, sees whether prevent padding.Therefore optimize virtual magnetic under the cloud platform
The device of disk occupancy memory space further include:
Judgment module 50, connect with the timing module 40, the filling module 20, starts timing in the timely module
The predetermined amount of time afterwards judges whether to receive Document retrieval instruction, if it is, restoring the document, and cancels institute
It states document and deletes instruction, the corresponding memory space of document that the filling module 20 stops deleting the document in instruction carries out
Filling, if it is not, the filling module 20 deletes the document document in instruction then after the timely module completes timing
Corresponding memory space is filled.
By judgment module 50, judge whether to receive Document retrieval instruction within a predetermined period of time, if so, before explanation
The maloperation when document on side deletes instruction, needs to be stopped, and while restoring document, needs to cancel document and deletes instruction, this
Sample filling module 20, which would not receive document, deletes instruction and is filled and operates.
It should be pointed out that the judgment module 50, which can be, directly receives document deletion instruction or Document retrieval instruction,
As long as having, document deletes instruction or Document retrieval instruction occurs, and especially Document retrieval instructs, it is necessary to check whether to hold
If row occurs within a predetermined period of time real, can execute, and can be document is directly deleted instruction to replace with Document retrieval and refers to
It enables, will not thus execute the operation of document deletion again, will not be filled and operate again, be also possible within a predetermined period of time
The priority of the Document retrieval instruction of appearance is higher than corresponding document and deletes instruction, deletes instruction failure from command of execution document, in this way
Document retrieval operation will not be executed again, otherwise, exceeds predetermined amount of time, just illustrated that document is deleted to instruct to have been subjected to and executed
, Document retrieval, which instructs, can also become illegal command.
In the present invention, Document retrieval instruction can be and directly be had after issuing the instruction by judgment module 50 by client
It receives, is also possible to be received from cloud host by receiving module 10, is then forwarded to judgment module 50 again.Document retrieval instruction
Purpose is thus to need Document retrieval instruction to reach judgment module in the shortest possible time for the document in the region that undeletes
50, it is made a choice by judgment module 50.
In the present invention, it can be one judgment module 50 of setting in entire memory space, dedicated for this kind
The judgement of instruction is also possible to carry out subregion to entire memory space, in the content that document deletes instruction, comprising being to which
The document in a region is deleted, and document when Document retrieval instructs for which region is restored.
In the present invention, filling module 20 is filled out for deleting the corresponding memory space of document in instruction to document
It fills, is but the space that the corresponding memory space of the document does not discharge really by the document deleted in memory space
It is filled operation, is equivalent to and is reset either formatting, the memory space of this section is become from the state of storage document
Dummy status, and the state of memory space is different, is generally the need for what mark was distinguished, the document in next time was written in this way
Cheng Zhong carries out write operation for the memory space of tagged dummy status.Therefore, in a specific embodiment, described
Optimize the device that virtual disk occupies memory space under cloud platform, further includes:
Mark module 60 is filled, is connect with the filling module 20, the filling module 20 identifies mould using the filling
The filling mark that block 60 stores is deleted the corresponding memory space of document in instruction to the document and is filled.
It should be pointed out that the present invention is fixed under not doing specifically to the filling mark of the filling mark module 60, can be
Specific mark is written in the corresponding space of document of deletion, this mark can be classification filling, such as be directed to memory space
The ability of storage or the difference of performance classify, be also possible to the filling mark that entire memory space carries out uniformity, one
As filling be identified as zero filling, i.e., the space after deleting document carries out zero filling operation.
In conclusion optimizing method and dress that virtual disk occupies memory space under cloud platform provided in an embodiment of the present invention
It sets, deletes behaviour's instruction by after user has executed document delete operation, obtaining the document that user executes, then the document is deleted
Except instruction memory size is filled, formed filling space, delete cloud host disk mirror image space in the filling space pair
The mirror image space answered, execution in such memory space the memory space of delete operation really discharged, cloud host disk mirror
Image space space corresponding with deleted document is deleted, and carries out the arrangement of disk mirroring space, and the disk mirroring of cloud host is become
It is small, cloud storage space is saved, the utilization efficiency of memory space is improved, storage resource is saved, reduces the cost of cloud storage.
The method and apparatus for optimizing virtual disk occupancy memory space under cloud platform provided by the present invention are carried out above
It is discussed in detail.Used herein a specific example illustrates the principle and implementation of the invention, above embodiments
Explanation be merely used to help understand method and its core concept of the invention.It should be pointed out that for the common of the art
, without departing from the principle of the present invention, can be with several improvements and modifications are made to the present invention for technical staff, these
Improvement and modification are also fallen within the protection scope of the claims of the present invention.
Claims (9)
1. optimizing the method that virtual disk occupies memory space under a kind of cloud platform characterized by comprising
It receives document and deletes instruction；
The corresponding memory space of document in instruction is deleted to the document to be filled, and forms filling space；
Delete mirror image space corresponding with the filling space in cloud host disk mirror image space.
2. optimizing the method that virtual disk occupies memory space under cloud platform as described in claim 1, which is characterized in that described right
The corresponding memory space of document that the document is deleted in instruction is filled, comprising:
The corresponding memory space of document in instruction is deleted to the document and carries out zero padding.
3. optimizing the method that virtual disk occupies memory space under cloud platform as described in claim 1, which is characterized in that described right
The corresponding memory space of document that the document is deleted in instruction is filled, and forms filling space, comprising:
Instruction is deleted after a predetermined period of time receiving the document, and it is corresponding to delete the document in instruction to the document
Memory space is filled.
4. under cloud platform as claimed in claim 3 optimize virtual disk occupy memory space method, which is characterized in that it is described
It receives the document and deletes instruction after a predetermined period of time, it is empty to delete the corresponding storage of document in instruction to the document
Between be filled, further includes:
Judge in the predetermined amount of time for receiving the document deletion instruction, if receive Document retrieval instruction；
If so, restoring the document, and stop filling out the corresponding memory space of document in document deletion instruction
It fills, is filled if it is not, then deleting the corresponding memory space of document in instruction to the document.
5. optimizing the method that virtual disk occupies memory space under cloud platform as described in claim 1, which is characterized in that described
It deletes in cloud host disk mirror image after mirror image space corresponding with the filling space, further includes:
The cloud host disk mirror image space is converted, it is empty that the filling will be deleted in the cloud host disk mirror image space
Between disk mirroring space after corresponding mirror image space as new cloud host disk mirror image space.
6. optimizing the device that virtual disk occupies memory space under a kind of cloud platform characterized by comprising
Receiving module, the document for receiving the sending of cloud host delete instruction；
Module is filled, command reception module is deleted with the document and connect, deletes command reception module receiving the document
After the document of sending deletes instruction, the corresponding memory space of document in instruction is deleted to the document and is filled, formation is filled out
Fill space；
Conversion module is connect with the filling module, and it is corresponding to delete the document in instruction to the document in the filling module
Memory space be filled, formed filling space after, delete in the cloud host disk mirror image space with the filling space
Corresponding mirror image space.
7. optimizing the device that virtual disk occupies memory space under cloud platform as claimed in claim 6, which is characterized in that also wrap
It includes:
Timing module is connect with the filling module, is received after the document deletes instruction in the filling module and is started to count
When, after predetermined amount of time, control it is described filling module to the document delete instruction in the corresponding memory space of document into
Row filling forms filling space.
8. optimizing the device that virtual disk occupies memory space under cloud platform as claimed in claim 7, which is characterized in that also wrap
It includes:
Judgment module is connect with the timing module, the filling module, described pre- after the timing module starts timing
It fixes time section, judges whether to receive Document retrieval instruction, if it is, restoring the document, and cancel the document and delete
Instruction, the filling module stops being filled the corresponding memory space of document in document deletion instruction, if it is not, then
After the timing module completes timing, it is empty that the filling module deletes the corresponding storage of document in instruction to the document
Between be filled.
9. optimizing the device that virtual disk occupies memory space under cloud platform as claimed in claim 6, which is characterized in that also wrap
It includes:
Mark module is filled, is connect with the filling module, filling module the filling out using the filling mark module storage
Mark is filled to be filled the corresponding memory space of document in document deletion instruction.
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