CN106453505A - Method and device for determining client side connection number in distributed file system - Google Patents
Method and device for determining client side connection number in distributed file system Download PDFInfo
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- CN106453505A CN106453505A CN201610821158.4A CN201610821158A CN106453505A CN 106453505 A CN106453505 A CN 106453505A CN 201610821158 A CN201610821158 A CN 201610821158A CN 106453505 A CN106453505 A CN 106453505A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/54—Presence management, e.g. monitoring or registration for receipt of user log-on information, or the connection status of the users
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1097—Protocols in which an application is distributed across nodes in the network for distributed storage of data in networks, e.g. transport arrangements for network file system [NFS], storage area networks [SAN] or network attached storage [NAS]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/14—Session management
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer And Data Communications (AREA)
Abstract
The invention discloses a method and device for determining the client side connection number in a distributed file system. The method comprises the following steps of: monitoring the connection state change condition of each connection object; according to the monitored change of the connection states of the connection objects, updating a session list, wherein address information and type information of the connection objects, which are in the connection state currently, are recorded in the session list; determining the connection number of the connection objects in a client side type in the session list; and, according to the address information of the connection objects in the client side type in the session list, sending a broadcast message to each connection object in the client side type, wherein the broadcast message at least includes information of the connection number. By means of the technical scheme provided by the embodiment of the invention, each connection object in the client side type can correspondingly operate and process the distributed file system according to the connection number; and thus, the control precision is increased.
Description
Technical field
The present invention relates to Computer Applied Technology field, more particularly to a kind of distributed type file system client side connection number
Determine method and device.
Background technology
In distributed file system, it is self-existent between client it is impossible to perceive the presence of other clients.
But in most of multi-client parallel processing scenes, client needs to be connected according to active client in distributed file system
Several distributed file system operated accordingly and is processed.
Such as, distributed file system has 10GByte space and supplies client write data, currently has 5 clients,
Each client is not aware that the presence of other clients, if each client all writes 5GByte data, is easy to surpass
Go out this spatial content to limit, control accuracy is relatively low.
So, how client accurately knows that distributed file system active client connects number is current urgent need to resolve
Technical problem.
Content of the invention
It is an object of the invention to provide a kind of distributed type file system client side connects number determines method and device, to improve
Control accuracy.
For solving above-mentioned technical problem, the present invention provides following technical scheme：
A kind of distributed type file system client side connects number and determines method, including：
Monitor the connection status situation of change of each connecting object；
The change of the connection status according to the connecting object monitoring, updates session list, records in described session list
It is currently at the address information of the connecting object of connection status and type information；
Determine the connection number of the connecting object of client type in described session list；
According to the address information of the connecting object of client type in described session list, to the company of each client type
Connect object and send broadcast, in described broadcast, include at least the described information connecting number.
In a kind of specific embodiment of the present invention, the change of the connection status of the connecting object that described basis monitors
Change, update session list, including：
If monitoring that the connection status of the first connecting object changes as connection status from not-connected status, described
Add address information and the type information of described first connecting object in session list.
In a kind of specific embodiment of the present invention, the change of the connection status of the connecting object that described basis monitors
Change, update session list, including：
If monitoring that the connection status of the second connecting object becomes from connection status to turn to not-connected status, described
Address information and the type information of described second connecting object is deleted in session list.
In a kind of specific embodiment of the present invention, also include：
For the connecting object of each client type, if not receiving the return of this connecting object in duration setting
Connect the number confirmation that completes of renewal, the then address information according to this connecting object, again described broadcast is sent
To this connecting object.
In a kind of specific embodiment of the present invention, described broadcast also comprises the described renewal time connecting number
Information.
A kind of distributed type file system client side connects number and determines device, including：
State change monitoring modular, for monitoring the connection status situation of change of each connecting object；
Session list update module, for the change of the connection status according to the connecting object monitoring, updates session column
Table, in described session list, record is currently at the address information of the connecting object of connection status and type information；
Connect number determining module, for determining the connection number of the connecting object of client type in described session list；
Broadcast sending module, for the address letter according to the connecting object of client type in described session list
Breath, sends broadcast to the connecting object of each client type, includes at least described connection number in described broadcast
Information.
In a kind of specific embodiment of the present invention, described session list update module, specifically for：
If monitoring that the connection status of the first connecting object changes as connection status from not-connected status, described
Add address information and the type information of described first connecting object in session list.
In a kind of specific embodiment of the present invention, described session list update module, specifically for：
If monitoring that the connection status of the second connecting object becomes from connection status to turn to not-connected status, described
Address information and the type information of described second connecting object is deleted in session list.
In a kind of specific embodiment of the present invention, also include：
Broadcast retransmits module, for the connecting object for each client type, if setting duration
Inside do not receive the return of this connecting object connects the confirmation that number renewal completes, then the address according to this connecting object is believed
Described broadcast is sent to this connecting object by breath again.
In a kind of specific embodiment of the present invention, described broadcast also comprises the described renewal time connecting number
Information.
The technical scheme that the application embodiment of the present invention is provided, in distributed file system, meta data server is monitored
The connection status situation of change of each connecting object, the change of the connection status according to the connecting object monitoring, more new session
List, in this session list, record is currently at the address information of the connecting object of connection status and type information, and determining should
The connection number of the connecting object of client type in session list, and the connecting object according to client type in this session list
Address information, to each client type connecting object send comprise connect number information broadcast so that each
The connecting object of client type carries out corresponding operating and process according to this connection number to distributed file system, improves and controls essence
Degree.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Have technology description in required use accompanying drawing be briefly described it should be apparent that, drawings in the following description be only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, acceptable
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is that in the embodiment of the present invention, a kind of distributed type file system client side connects the implementing procedure that number determines method
Figure；
Fig. 2 is that in the embodiment of the present invention, a kind of distributed system client connects the structural representation that number determines device.
Specific embodiment
In order that those skilled in the art more fully understand the present invention program, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.Obviously, described embodiment is only a part of embodiment of the present invention, rather than
Whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, broadly falls into the scope of protection of the invention.
Embodiments provide a kind of distributed type file system client side connection number and determine method, the method can be answered
For distributed file system, specifically can apply to the meta data server (Metadata in distributed file system
Server, MDS).This distributed file system can be connected with several connecting objects, comprises client in these connecting objects
The connecting object of type.
Shown in Figure 1, a kind of distributed type file system client side being provided by the embodiment of the present invention connects number and determines
The implementing procedure figure of method, the method may comprise steps of：
S110：Monitor the connection status situation of change of each connecting object.
In embodiments of the present invention, the connection status of each connecting object can be divided into two kinds, and one kind is not-connected status,
One kind is connection status.Meta data server in distributed file system can perceive the connection status of connecting object,
And the connection status situation of change of each connecting object is monitored.Become in the connection status monitoring connecting object
The operation of step S120 during change, can be continued executing with.
S120：The change of the connection status according to the connecting object monitoring, updates session list.
Wherein, in session list, record is currently at the address information of the connecting object of connection status and type information.
Monitor the connection status situation of change of each connecting object in step S110, monitor the connection shape of connecting object
When state changes, session list can be updated according to the change of the connection status of the connecting object monitoring.
In actual applications, session list can be safeguarded by meta data server, and wherein record is currently at and connects
Connect address information and the type information of the connecting object of state.
In a kind of specific embodiment of the present invention, step S120 may comprise steps of：
If monitoring that the connection status of the first connecting object changes as connection status from not-connected status, in session
Add address information and the type information of the first connecting object in list.
In embodiments of the present invention, connecting object, in carry, can be set up with meta data server and be connected.First connection is right
As sending connection request to meta data server, request is mounted in distributed file system.Meta data server responds
This connection request, sets up the connection with the first connecting object, determines that the connection status of the first connecting object becomes from not-connected status
Turn to connection status.
In this case, meta data server can obtain address information and the type information of the first connecting object, and
These information are added in session list.
In another kind of specific embodiment of the present invention, step S120 may comprise steps of：
If monitoring that the connection status of the second connecting object becomes from connection status to turn to not-connected status, in session
Address information and the type information of the second connecting object is deleted in list.
In actual applications, during connecting object unloading, it be will be switched off with the connection of meta data server.Meta data server
Do not receive any information of this connecting object within the time period setting, then can determine that the connection status of this connecting object is
Not-connected status.
Meta data server monitor each connecting object connection status situation of change when, if monitoring the second connection
The connection status of object turns to not-connected status from the change of connection status, then can delete this second connection in session list right
The address information of elephant and type information so that in session list being of record be currently at the connecting object of connection status
Address information and type information.
S130：Determine the connection number of the connecting object of client type in session list.
In session list, record has the type information being currently at the connecting object of connection status, according to type information,
The connecting object belonging to client type can be searched in session list, and determine the number of the connecting object of client type
Amount, that is, determine the connection number of the connecting object of client type in session list.
S140：According to the address information of the connecting object of client type in session list, to each client type
Connecting object sends broadcast.
Wherein, include at least the information connecting number in broadcast.
In step S130, after determining the connection number of the connecting object of client type in session list, can be according to session
The address information of the connecting object of client type in list, sends broadcast to the connecting object of each client type,
The information connecting number is included at least in this broadcast.So, the connecting object of each client type receives this broadcast and disappears
After breath, according to the information of the connection number in this broadcast, you can know that current distributed type file system client side connects number.Respectively
The connecting object of client type connects number according to active client and can carry out corresponding operating and place to distributed file system
Reason, such as redistributes to the remaining space of distributed file system, improves control accuracy.
Such as, the remaining space of distributed file system is 10GByte, is currently at the client type of connection status
The connection number of connecting object be 5, and the connecting object of each client type has learned that this connection number, and it can be according to this
Connect number, limit itself write size of data and be less than 2GByte.
In embodiments of the present invention, can also comprise in broadcast to connect the information of the renewal time of number.So, each visitor
According to the information of the time of renewal, the connecting object of family end type upon receiving the broadcast message, can judge that this broadcast is
No for efficient message.Specifically, if this renewal time is less than or equal to the renewal in the last broadcast receiving
Between, then can determine that this broadcast is outdated message, this broadcast can be abandoned, or do not process.If this renewal
Time is more than the renewal time in the last broadcast receiving, then can determine that this broadcast is efficient message, can
To extract the information of the connection number in this broadcast.
Specifically, a kind of data record format of broadcast may be referred to shown in table 1：
| First symbol | Timestamp | Connect number | End mark |
Table 1
Wherein, timestamp represents the renewal time connecting number.This broadcast message type is simple, it is easy to accomplish and parsing.
The method that the application embodiment of the present invention is provided, in distributed file system, meta data server monitors each
The connection status situation of change of connecting object, the change of the connection status according to the connecting object monitoring, update session list,
In this session list, record is currently at the address information of the connecting object of connection status and type information, determines this session column
The connection number of the connecting object of client type in table, and the address according to the connecting object of client type in this session list
Information, sends, to the connecting object of each client type, the broadcast comprising the information connecting number, so that each client
The connecting object of type carries out corresponding operating and process according to this connection number to distributed file system, improves control accuracy.
In one embodiment of the invention, the method can also comprise the following steps：
For the connecting object of each client type, if not receiving the return of this connecting object in duration setting
Connect the number confirmation that completes of renewal, the then address information according to this connecting object, send broadcast messages to this again
Connecting object.
In step S140, meta data server sends after broadcast to the connecting object of each client type, for
The connecting object of each client type, if this connecting object receives this broadcast, and extracts from this broadcast
Connect the information of number, can return to meta data server and connect the confirmation that number renewal completes, meta data server receives
To after this confirmation, you can determine that this connecting object has known the connection number being currently at the connecting object of connection status.
If updating the confirmation completing, Metadata Service setting the number that connects not receiving the return of this connecting object in duration
Device can find the address information of this connecting object from session list, according to the address information of this connecting object, again will
Broadcast is sent to this connecting object, is not received by extensively with the connecting object avoiding leading to client type because of network reason
Broadcast message.
Corresponding to above method embodiment, the embodiment of the present invention additionally provides a kind of distributed type file system client side even
Connect number and determine device, distributed type file system client side described below connects number and determines device and above-described distributed literary composition
Part system client connects number and determines that method can be mutually to should refer to.
Shown in Figure 2, this device can be included with lower module：
State change monitoring modular 210, for monitoring the connection status situation of change of each connecting object；
Session list update module 220, for the change of the connection status according to the connecting object monitoring, more new session
List, in session list, record is currently at the address information of the connecting object of connection status and type information；
Connect number determining module 230, for determining the connection number of the connecting object of client type in session list；
Broadcast sending module 240, for the address information according to the connecting object of client type in session list,
Send broadcast to the connecting object of each client type, in broadcast, include at least the information connecting number.
The device that the application embodiment of the present invention is provided, in distributed file system, meta data server monitors each
The connection status situation of change of connecting object, the change of the connection status according to the connecting object monitoring, update session list,
In this session list, record is currently at the address information of the connecting object of connection status and type information, determines this session column
The connection number of the connecting object of client type in table, and the address according to the connecting object of client type in this session list
Information, sends, to the connecting object of each client type, the broadcast comprising the information connecting number, so that each client
The connecting object of type carries out corresponding operating and process according to this connection number to distributed file system, improves control accuracy.
In a kind of specific embodiment of the present invention, session list update module 220, specifically for：
If monitoring that the connection status of the first connecting object changes as connection status from not-connected status, in session
Add address information and the type information of the first connecting object in list.
In a kind of specific embodiment of the present invention, session list update module 220, specifically for：
If monitoring that the connection status of the second connecting object becomes from connection status to turn to not-connected status, in session
Address information and the type information of the second connecting object is deleted in list.
In a kind of specific embodiment of the present invention, also include：
Broadcast retransmits module, for the connecting object for each client type, if setting duration
Inside do not receive the return of this connecting object connects the confirmation that number renewal completes, then the address according to this connecting object is believed
Breath, sends broadcast messages to this connecting object again.
In a kind of specific embodiment of the present invention, broadcast also comprises to connect the information of the renewal time of number.
In this specification, each embodiment is described by the way of going forward one by one, and what each embodiment stressed is and other
The difference of embodiment, between each embodiment same or similar partly mutually referring to.Fill for disclosed in embodiment
For putting, because it corresponds to the method disclosed in Example, so description is fairly simple, referring to method part in place of correlation
Illustrate.
Professional further appreciates that, in conjunction with the unit of each example of the embodiments described herein description
And algorithm steps, can with electronic hardware, computer software or the two be implemented in combination in, in order to clearly demonstrate hardware and
The interchangeability of software, generally describes composition and the step of each example in the above description according to function.These
Function to be executed with hardware or software mode actually, the application-specific depending on technical scheme and design constraint.Specialty
Technical staff can use different methods to each specific application realize described function, but this realization should
Think beyond the scope of this invention.
The step of the method in conjunction with the embodiments described herein description or algorithm can directly be held with hardware, processor
The software module of row, or the combination of the two is implementing.Software module can be placed in random access memory (RAM), internal memory, read-only deposit
Reservoir (ROM), electrically programmable ROM, electrically erasable ROM, depositor, hard disk, moveable magnetic disc, CD-ROM or technology
In known any other form of storage medium in field.
Specific case used herein is set forth to the principle of the present invention and embodiment, the saying of above example
Bright it is only intended to help and understands technical scheme and its core concept.It should be pointed out that it is common for the art
For technical staff, under the premise without departing from the principles of the invention, the present invention can also be carried out with some improvement and modify, these
Improve and modify and also fall in the protection domain of the claims in the present invention.
Claims (10)
1. a kind of distributed type file system client side connection number determines method it is characterised in that including：
Monitor the connection status situation of change of each connecting object；
The change of the connection status according to the connecting object monitoring, updates session list, records current in described session list
It is in the address information of the connecting object of connection status and type information；
Determine the connection number of the connecting object of client type in described session list；
According to the address information of the connecting object of client type in described session list, right to the connection of each client type
As sending broadcast, in described broadcast, include at least the described information connecting number.
2. distributed type file system client side according to claim 1 connects number and determines method it is characterised in that described
According to the change of the connection status of the connecting object monitoring, update session list, including：
If monitoring that the connection status of the first connecting object changes as connection status from not-connected status, in described session
Add address information and the type information of described first connecting object in list.
3. distributed type file system client side according to claim 1 connects number and determines method it is characterised in that described
According to the change of the connection status of the connecting object monitoring, update session list, including：
If monitoring that the connection status of the second connecting object becomes from connection status to turn to not-connected status, in described session
Address information and the type information of described second connecting object is deleted in list.
4. the distributed type file system client side connection number according to any one of claims 1 to 3 determines method, and its feature exists
In also including：
For the connecting object of each client type, if not receiving, setting, the company that this connecting object returns in duration
Connect number and update the confirmation completing, the then address information according to this connecting object, again described broadcast is sent to this
Connecting object.
5. distributed type file system client side according to claim 4 connects number and determines method it is characterised in that described wide
Broadcast the information that message also comprises the described renewal time connecting number.
6. a kind of distributed type file system client side connection number determines device it is characterised in that including：
State change monitoring modular, for monitoring the connection status situation of change of each connecting object；
Session list update module, for the change of the connection status according to the connecting object monitoring, updates session list, institute
State record in session list and be currently at the address information of the connecting object of connection status and type information；
Connect number determining module, for determining the connection number of the connecting object of client type in described session list；
Broadcast sending module, for the address information according to the connecting object of client type in described session list, to
The connecting object of each client type sends broadcast, includes at least the described information connecting number in described broadcast.
7. distributed type file system client side according to claim 6 connects number and determines device it is characterised in that described meeting
Words list update module, specifically for：
If monitoring that the connection status of the first connecting object changes as connection status from not-connected status, in described session
Add address information and the type information of described first connecting object in list.
8. distributed type file system client side according to claim 6 connects number and determines device it is characterised in that described meeting
Words list update module, specifically for：
If monitoring that the connection status of the second connecting object becomes from connection status to turn to not-connected status, in described session
Address information and the type information of described second connecting object is deleted in list.
9. the distributed type file system client side connection number according to any one of claim 6 to 8 determines device, and its feature exists
In also including：
Broadcast retransmits module, for the connecting object for each client type, if in setting duration not
Receive the return of this connecting object connects the number confirmation that completes of renewal, then the address information according to this connecting object, then
Secondary described broadcast is sent to this connecting object.
10. distributed type file system client side according to claim 9 connects number and determines device it is characterised in that described
Broadcast also comprises the information of the described renewal time connecting number.
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| CN201610821158.4A CN106453505A (en) | 2016-09-13 | 2016-09-13 | Method and device for determining client side connection number in distributed file system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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