CN107402870A - The processing method and processing device of daily record section in a kind of meta data server - Google Patents
The processing method and processing device of daily record section in a kind of meta data server Download PDFInfo
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- CN107402870A CN107402870A CN201710638963.8A CN201710638963A CN107402870A CN 107402870 A CN107402870 A CN 107402870A CN 201710638963 A CN201710638963 A CN 201710638963A CN 107402870 A CN107402870 A CN 107402870A
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- 238000003672 processing method Methods 0.000 title claims abstract description 15
- 230000004048 modification Effects 0.000 claims abstract description 21
- 238000012986 modification Methods 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 claims description 8
- 108010001267 Protein Subunits Proteins 0.000 claims description 6
- 238000012217 deletion Methods 0.000 claims 1
- 230000037430 deletion Effects 0.000 claims 1
- 230000004044 response Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/3003—Monitoring arrangements specially adapted to the computing system or computing system component being monitored
- G06F11/3006—Monitoring arrangements specially adapted to the computing system or computing system component being monitored where the computing system is distributed, e.g. networked systems, clusters, multiprocessor systems
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/3065—Monitoring arrangements determined by the means or processing involved in reporting the monitored data
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/3089—Monitoring arrangements determined by the means or processing involved in sensing the monitored data, e.g. interfaces, connectors, sensors, probes, agents
- G06F11/3093—Configuration details thereof, e.g. installation, enabling, spatial arrangement of the probes
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/10—File systems; File servers
- G06F16/17—Details of further file system functions
- G06F16/1734—Details of monitoring file system events, e.g. by the use of hooks, filter drivers, logs
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2201/00—Indexing scheme relating to error detection, to error correction, and to monitoring
- G06F2201/875—Monitoring of systems including the internet
Abstract
The processing method of daily record section in a kind of meta data server that the application provides, when the quantity for detecting daily record section in meta data server exceedes preset value, judge whether there is subtree root modification mark in the minimum daily record section of sequence number；If so, the subtree root of the minimum daily record section of the sequence number is individually carried out into rule, and the minimum daily record section of the sequence number is parsed, obtained event data is saved in disk, deletes the minimum daily record section of the sequence number；If it is not, the subtree root rule not being parsed to the minimum daily record section of the sequence number directly, obtained event data being saved in disk, the minimum daily record section of the sequence number is deleted.The independent rule of subtree root in meta data server, not followed by daily record paragraph disk, reduce rule data and rule frequency, improve rule efficiency.
Description
Technical field
The present invention relates to distributed type assemblies technical field of memory, more particularly to daily record in a kind of meta data server
The processing method and processing device of section.
Background technology
In cluster file system, all operations for file metadata are responded by meta data server
Processing.After cluster scale becomes big, single metadata server is not enough to support the response processing of message, therefore increase is
Multiple meta data servers handle request response as cluster.
Meta data server is to guarantee data security, it is necessary to be stored in each daily record section using subtree root as an entirety
Beginning, follows daily record section rule together, is used in case being played back when restarting meta data server.But with the increasing of subtree root
It is more, need the data volume of rule to greatly increase every time, had a strong impact on rule efficiency, and then have impact on other processing of metadata
Flow, influence system normal use.
The content of the invention
In view of this, the invention provides a kind of processing method of daily record section in meta data server, meta data server
In the independent rule of subtree root, not followed by daily record paragraph disk, reduce rule data and rule frequency, improve rule effect
Rate.
In order to realize foregoing invention purpose, concrete technical scheme provided by the invention is as follows：
The processing method of daily record section in a kind of meta data server, including：
When the quantity for detecting daily record section in meta data server exceedes preset value, judge in the minimum daily record section of sequence number
Whether subtree root modification mark is had；
If so, the subtree root of the minimum daily record section of the sequence number is subjected to rule, and to the minimum daily record section of the sequence number
Parsed, obtained event data is saved in disk, delete the minimum daily record section of the sequence number；
If it is not, being parsed to the minimum daily record section of the sequence number, obtained event data is saved in disk, deleted
The minimum daily record section of the sequence number.
Preferably, the subtree root of the daily record section that the sequence number is minimum carries out rule, including：
The subtree root of the minimum daily record section of the sequence number is read from internal memory；
The subtree root is saved in disk；
Delete the subtree root in the internal memory.
Preferably, after the meta data server is restarted or is taken over, methods described also includes：
Multiple daily record sections in the meta data server are played back.
Preferably, multiple daily record sections in the meta data server play back, including：
The maximum daily record section of sequence number is defined as current log section；
Judge whether there is subtree root modification mark in the current log section；
If so, reading the subtree root corresponding with the current log section sequence number from disk, and the subtree root is protected
It is stored to internal memory；
If it is not, it is corresponding that the daily record section that sequence number is maximum in the daily record section less than the current log section sequence number is read from disk
Subtree root；
Each event in the current log section is played back successively；
Next daily record section of the current log section is defined as working as the day before yesterday by the order of daily record section sequence number from big to small
Will section, and return and perform described the step for judging whether to have in the current log section subtree root modification to mark, until described
All daily record sections playback in meta data server is completed.
The processing unit of daily record section in a kind of meta data server, including：
Judging unit, for when the quantity for detecting daily record section in meta data server exceedes preset value, judging sequence number
Whether there is subtree root to change mark in minimum daily record section, if so, the first storage unit of triggering, if it is not, triggering second preserves list
Member；
First storage unit, for the subtree root of the minimum daily record section of the sequence number to be carried out into rule, and trigger institute
State the second storage unit；
Second storage unit, for being parsed to the minimum daily record section of the sequence number, the event data that will be obtained
It is saved in disk, deletes the minimum daily record section of the sequence number.
Preferably, first storage unit includes：
First reads subelement, for reading the subtree root of the minimum daily record section of the sequence number from internal memory；
Subelement is preserved, for the subtree root to be saved in disk；
Subelement is deleted, for deleting the subtree root in the internal memory.
Preferably, after the meta data server is restarted or is taken over, the processing unit also includes：
Playback unit, for being played back to multiple daily record sections in the meta data server.
Preferably, the playback unit includes：
First determination subelement, for the maximum daily record section of sequence number to be defined as into current log section；
Judgment sub-unit, for judging whether there is subtree root modification mark in the current log section, if so, triggering second
Subelement is read, if it is not, subelement is read in triggering the 3rd；
Described second reads subelement, for reading the subtree corresponding with the current log section sequence number from disk
Root, and the subtree root is saved in internal memory, and trigger playback subelement；
Described 3rd reads subelement, for reading the daily record Duan Zhongxu less than the current log section sequence number from disk
Number subtree root corresponding to maximum daily record section, and trigger playback subelement；
The playback subelement, for being played back successively to each event in the current log section；
Second determination subelement, for by daily record section sequence number order from big to small by the next of the current log section
Daily record section is defined as current log section, and triggers the judgment sub-unit, until all daily records in the meta data server
Duan Huifang is completed.
It is as follows relative to prior art, beneficial effects of the present invention：
The processing method of daily record section in a kind of meta data server provided by the invention, when detecting in meta data server
When the quantity of daily record section exceedes preset value, judge whether there is subtree root modification mark in the minimum daily record section of sequence number；If so, by institute
The subtree root for stating the minimum daily record section of sequence number individually carries out rule, and the minimum daily record section of the sequence number is parsed, will
To event data be saved in disk, delete the minimum daily record section of the sequence number；If it is not, not by the subtree root rule, directly
Connect and the minimum daily record section of the sequence number is parsed, obtained event data is saved in disk, deletes the sequence number most
Small daily record section.The independent rule of subtree root in meta data server, not followed by daily record paragraph disk, reduce rule data and
Rule frequency, improve rule efficiency.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
The embodiment of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer obtains other accompanying drawings.
Fig. 1 is the process flow figure of daily record section in a kind of meta data server disclosed in the embodiment of the present invention；
Fig. 2 is the process flow figure of daily record section in another meta data server disclosed in the embodiment of the present invention；
Fig. 3 is the processing device structure diagram of daily record section in a kind of meta data server disclosed in the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Meta data server is used to handle the various events received, and the metadata after processing is write into daily record section.
When meta data server receives event request, the event number in current log section judges whether needs
New daily record section is built, specifically, the event number in current log section needs to build new daily record section when reaching the upper limit；
If desired, judge whether the subtree root in the current log section has been changed；
If having changed, the subtree root is saved in internal memory, subtree root modification mark is added in the current log section,
New daily record section is created, and the time recorded in the daily record section newly created；
If unmodified, new daily record section is created, and the time recorded in the daily record section newly created；
If need not, by the logout into the current log section.
On this basis, referring to Fig. 1, present embodiment discloses a kind of processing side of daily record section in meta data server
Method, specifically include following steps：
S101：When the quantity for detecting daily record section in meta data server exceedes preset value, sequence number minimum day is judged
Whether subtree root modification mark is had in will section, if so, S102 is performed, if it is not, performing S103；
Subtree root is a kind of special catalogue, is the basis of meta data server load, and subtree root modification refers to subtree root
It is transferred on another meta data server and is unloaded by a meta data server load, shifts two front and rear metadata
Server can all have the number change of subtree root.
Each daily record section corresponds to a sequence number, and the more early corresponding sequence number of creation time of daily record section is smaller.
S102：The subtree root of the minimum daily record section of the sequence number is subjected to rule, and performs S103；
The subtree root of the daily record section that the sequence number is minimum carries out rule, and the sequence number is specially read from internal memory
The subtree root of minimum daily record section；The subtree root is saved in disk；Delete the subtree root in the internal memory.
S103：The minimum daily record section of the sequence number is parsed, obtained event data is saved in disk, is deleted
The minimum daily record section of the sequence number；
The purpose parsed to the minimum daily record section of the sequence number is to obtain each event data in daily record section.
The processing method of daily record section in a kind of meta data server disclosed in the present embodiment, when detecting Metadata Service
When the quantity of daily record section exceedes preset value in device, the minimum daily record section of the sequence number is parsed, the event data that will be obtained
It is saved in disk, deletes the minimum daily record section of the sequence number.Only when there is subtree root modification mark in the minimum daily record section of sequence number
Clock, the subtree root of the minimum daily record section of the sequence number is just subjected to rule, when there is no subtree root in the minimum daily record section of sequence number
During modification mark, not by the subtree root rule.The independent rule of subtree root in meta data server, not followed by daily record paragraph
Disk, reduce rule data and rule frequency, improve rule efficiency.
, be in the meta data server to prevent loss of data after meta data server is restarted or taken over
Multiple daily record sections are played back., please based on the processing method of daily record section in a kind of meta data server disclosed in above-described embodiment
Refering to Fig. 2, present embodiment discloses the processing method of daily record section in another meta data server, when the meta data server
After restarting or being taken over, methods described also includes：Multiple daily record sections in the meta data server are played back.
Preferably, multiple daily record sections in the meta data server are played back, specific implementation procedure is as follows：
S201：The maximum daily record section of sequence number is defined as current log section；
S202：Judge whether there is subtree root modification mark in the current log section, if so, S203 is performed, if it is not, performing
S204；
S203：The subtree root corresponding with the current log section sequence number is read from disk, and the subtree root is protected
It is stored to internal memory；
S204：It is corresponding that the daily record section that sequence number is maximum in the daily record section less than the current log section sequence number is read from disk
Subtree root；
S205：Each event in the current log section is played back successively；
It should be noted that during the return visit of daily record section, what is played back first is the subtree root of the daily record g. slice header, behind
Event played back according to subtree root.
S206：Next daily record section of the current log section is defined as working as by the order of daily record section sequence number from big to small
Preceding daily record section, and return and perform S202, completed until all daily record sections in the meta data server play back.
It is understood that the playback to each event in each daily record section in meta data server is metadata clothes
Business device record event, the inverse process for creating new daily record section, purpose is the data after avoiding meta data server from restarting or taken over
Lose.
Based on the processing method of daily record section in a kind of meta data server disclosed in above-described embodiment, referring to Fig. 3, this reality
The processing unit that example correspondingly discloses daily record section in a kind of meta data server is applied, including：
Judging unit 101, for when the quantity for detecting daily record section in meta data server exceedes preset value, judging sequence
Whether subtree root modification mark is had in number minimum daily record section, if so, the first storage unit 102 of triggering, if it is not, triggering second is protected
Memory cell 103；
First storage unit 102, for the subtree root of the minimum daily record section of the sequence number to be carried out into rule, and trigger
Second storage unit 103；
Second storage unit 103, for being parsed to the minimum daily record section of the sequence number, the event number that will be obtained
According to being saved in disk, the minimum daily record section of the sequence number is deleted.
Preferably, first storage unit includes：
First reads subelement, for reading the subtree root of the minimum daily record section of the sequence number from internal memory；
Subelement is preserved, for the subtree root to be saved in disk；
Subelement is deleted, for deleting the subtree root in the internal memory.
Preferably, after the meta data server is restarted or is taken over, the processing unit also includes：
Playback unit, for being played back to multiple daily record sections in the meta data server.
Preferably, the playback unit includes：
First determination subelement, for the maximum daily record section of sequence number to be defined as into current log section；
Judgment sub-unit, for judging whether there is subtree root modification mark in the current log section, if so, triggering second
Subelement is read, if it is not, subelement is read in triggering the 3rd；
Described second reads subelement, for reading the subtree corresponding with the current log section sequence number from disk
Root, and the subtree root is saved in internal memory, and trigger playback subelement；
Described 3rd reads subelement, for reading the daily record Duan Zhongxu less than the current log section sequence number from disk
Number subtree root corresponding to maximum daily record section, and trigger playback subelement；
The playback subelement, for being played back successively to each event in the current log section；
Second determination subelement, for by daily record section sequence number order from big to small by the next of the current log section
Daily record section is defined as current log section, and triggers the judgment sub-unit, until all daily records in the meta data server
Duan Huifang is completed.
The processing unit of daily record section in a kind of meta data server that the present embodiment provides, when detecting meta data server
When the quantity of middle daily record section exceedes preset value, judge whether there is subtree root modification mark in the minimum daily record section of sequence number；If so, will
The subtree root of the minimum daily record section of the sequence number individually carries out rule, and the minimum daily record section of the sequence number is parsed, will
Obtained event data is saved in disk, deletes the minimum daily record section of the sequence number；If it is not, not by the subtree root rule,
Directly the minimum daily record section of the sequence number is parsed, obtained event data is saved in disk, deletes the sequence number
Minimum daily record section.The independent rule of subtree root in meta data server, not followed by daily record paragraph disk, reduces rule data
With rule frequency, rule efficiency is improved.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or using the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope caused.
Claims (8)
- A kind of 1. processing method of daily record section in meta data server, it is characterised in that including：When the quantity for detecting daily record section in meta data server exceedes preset value, judge in the minimum daily record section of sequence number whether There is subtree root modification mark；If so, the subtree root of the minimum daily record section of the sequence number is carried out into rule, and the minimum daily record section of the sequence number is carried out Parsing, obtained event data is saved in disk, deletes the minimum daily record section of the sequence number；If it is not, being parsed to the minimum daily record section of the sequence number, obtained event data is saved in disk, described in deletion The minimum daily record section of sequence number.
- 2. processing method according to claim 1, it is characterised in that the subtree of the daily record section that the sequence number is minimum Root carries out rule, including：The subtree root of the minimum daily record section of the sequence number is read from internal memory；The subtree root is saved in disk；Delete the subtree root in the internal memory.
- 3. processing method according to claim 1, it is characterised in that when the meta data server is restarted or is taken over Afterwards, methods described also includes：Multiple daily record sections in the meta data server are played back.
- 4. processing method according to claim 3, it is characterised in that multiple days in the meta data server Will section is played back, including：The maximum daily record section of sequence number is defined as current log section；Judge whether there is subtree root modification mark in the current log section；If so, reading the subtree root corresponding with the current log section sequence number from disk, and the subtree root is saved in Internal memory；If it is not, son corresponding to the daily record section that sequence number is maximum in the daily record section less than the current log section sequence number is read from disk Tree root；Each event in the current log section is played back successively；Next daily record section of the current log section is defined as current log section by the order of daily record section sequence number from big to small, And return and perform described the step for judging whether to have in the current log section subtree root modification to mark, until the metadata All daily record sections playback in server is completed.
- A kind of 5. processing unit of daily record section in meta data server, it is characterised in that including：Judging unit, for when the quantity for detecting daily record section in meta data server exceedes preset value, judging sequence number minimum Daily record section in whether have subtree root modification mark, if so, triggering the first storage unit, if it is not, triggering the second storage unit；First storage unit, for the subtree root of the minimum daily record section of the sequence number to be carried out into rule, and trigger described the Two storage units；Second storage unit, for being parsed to the minimum daily record section of the sequence number, obtained event data is preserved Into disk, the minimum daily record section of the sequence number is deleted.
- 6. processing unit according to claim 5, it is characterised in that first storage unit includes：First reads subelement, for reading the subtree root of the minimum daily record section of the sequence number from internal memory；Subelement is preserved, for the subtree root to be saved in disk；Subelement is deleted, for deleting the subtree root in the internal memory.
- 7. processing unit according to claim 5, it is characterised in that when the meta data server is restarted or is taken over Afterwards, the processing unit also includes：Playback unit, for being played back to multiple daily record sections in the meta data server.
- 8. processing unit according to claim 7, it is characterised in that the playback unit includes：First determination subelement, for the maximum daily record section of sequence number to be defined as into current log section；Judgment sub-unit, for judging whether there is subtree root modification mark in the current log section, if so, triggering second is read Subelement, if it is not, subelement is read in triggering the 3rd；Described second reads subelement, for reading the subtree root corresponding with the current log section sequence number from disk, and The subtree root is saved in internal memory, and triggers playback subelement；It is described 3rd read subelement, for from disk read less than the current log section sequence number daily record section in sequence number most Subtree root corresponding to big daily record section, and trigger playback subelement；The playback subelement, for being played back successively to each event in the current log section；Second determination subelement, for by daily record section sequence number order from big to small by next daily record of the current log section Section is defined as current log section, and triggers the judgment sub-unit, until all daily record sections in the meta data server are returned Discharge into.
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| CN109521963A (en) * | 2018-11-14 | 2019-03-26 | 郑州云海信息技术有限公司 | A kind of metadata rule method and device |
| CN109521963B (en) * | 2018-11-14 | 2021-08-10 | 郑州云海信息技术有限公司 | Metadata dropping method and device |
| CN109582244A (en) * | 2018-12-05 | 2019-04-05 | 广东浪潮大数据研究有限公司 | A kind of metadata rule method, apparatus, terminal and computer readable storage medium |
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