CN106375342A - Zookeeper-technology-based system cluster method and system - Google Patents
Zookeeper-technology-based system cluster method and system Download PDFInfo
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- CN106375342A CN106375342A CN201610919541.3A CN201610919541A CN106375342A CN 106375342 A CN106375342 A CN 106375342A CN 201610919541 A CN201610919541 A CN 201610919541A CN 106375342 A CN106375342 A CN 106375342A
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/40—Support for services or applications
-
- 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
-
- 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
- H04L67/56—Provisioning of proxy services
- H04L67/563—Data redirection of data network streams
-
- 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
- H04L67/56—Provisioning of proxy services
- H04L67/566—Grouping or aggregating service requests, e.g. for unified processing
Abstract
The invention discloses a zookeeper-technology-based system cluster method and system. The method comprises: after a cluster is started, an optimal node is selected from all system nodes and is used as a master system node and other system nodes are used as standby nodes, and the master system node reads system configuration information needed by a front-end service node and issues the information to all standby nodes; one monitoring device is turned on to monitor an operating state of a master service node and another monitoring device is turned on to monitor a system configuration information change; once the system configuration changes, the master node and the standby nodes update respectively cached configuration information timely; and when a fault occurs at the operating state of the master system node, an optimal node is selected from the standby system nodes and is used as a current system node, thereby providing a service for the front-end service node. Therefore, the interruption time of service switching is shortened and the possibility of service termination is reduced.
Description
Technical field
The present invention relates to the node cluster technical field of zookeeper technology, in particular it relates to one kind is based on
The system cluster method and system of zookeeper technology.
Background technology
Distributed system is built upon the software system on network, because the characteristic of software, distributed system has
There are cohesion and the transparency of height.In a distributed system, what multigroup independent computer was presented to user is one
Unified entirety, internal system becomes multiple independent logical physical locations by functional segment, by each computer node, each level
Realize resource distribution and the optimization of system.Because the huge advantage of distributed system, its application in the Internet in recent years is got over
Come more extensive.But in distributed system, each service node is to rely on the Internet to be in communication with each other, and more particularly, to function compares
The system node concentrated, can there are some potential problems in centre, as the problems such as Single Point of Faliure, fault recovery.Wherein how to ensure
In system, each system node normally runs is a key issue.The solution at present Single Point of Faliure recovered is to divide
System node Clustering is adopted, the inside cluster skill that is, regulation system core system node computer adopts in cloth system
Art, sets the main and standby relation of cluster internal node；When host node fault, this business is switched to slave node and carries out.But
Applicant's research finds, the system node cluster method of existing technology, at least there is following defect: 1) primary node event
During barrier, because secondary node needs to re-read configuration information, not lead to service disconnection long in real time；2) primary node event
During barrier, if its secondary node is also at malfunction, then business will terminate.
Content of the invention
It is an object of the invention to, for the problems referred to above, a kind of system cluster method based on zookeeper technology is proposed
And system, to realize shortening the break period of business switching, reduce the probability of business termination.
For achieving the above object, the technical solution used in the present invention is: a kind of system cluster based on zookeeper technology
Method and system, specifically include that
S001: the optimum node of election one from zookeeper clustered node, carries for user as active system cluster host node
For system service, other system node is as cluster secondary node；
S002:zookeeper cluster host node reads system configuration information, is distributed to described cluster secondary node backup simultaneously；
S003: enable the change of a system configuration information audiomonitor monitoring system configuration information, when system configuration information occurs
During change, system configuration information is synchronized in time in cluster host node configuration information stored items and all cluster secondary nodes
In configuration information stored items；
S004: start an audiomonitor and monitor described cluster host node running status, when the running status of described primary node is
During fault, from secondary node, elect a primary node, continue to provide system service.
Further, in soo1, specifically include, zookeeper collection is built to the server providing system core server
Group, installs zookeeper service according to configuration relation on each machine, and the election mechanism using zookeeper elects one
As external service host node, other nodes run optimum node as secondary node,
When external program obtains cluster host node, External Program Interface module is initiated to obtain to zookeeper client modules
The request of cluster host node, zookeeper cluster selects cluster host node.
Further, s002 specifically includes, after zookeeper cluster election goes out cluster host node, by system configuration
Information reads in cluster host node, and using zookeeper configuration synchronizing function, configuration information is distributed to each secondary node
Backup.
Further, s004 specifically includes: configuration audiomonitor, audiomonitor is deployed on every machine of cluster, every machine
Device increases the corresponding vertex ticks of oneself, when cluster host node breaks down, cluster secondary node one according to zookeeper feature
Memory node inventory is caused to remove host node labelling, audiomonitor timing calls getchildren mode to obtain each node feelings of cluster
Condition, decides whether to reselect host node.
The group system of the system cluster method based on zookeeper technology, comprising:
Zookeeper cluster creation module, the server for providing system core server builds zookeeper cluster, and presses
According to configuration relation, zookeeper service is installed on each machine, elect an optimum section using zookeeper service electoral system
Point as external service cluster host node, other nodes as cluster secondary node,
Zookeeper client modules and External Program Interface module, described External Program Interface module is to zookeeper client
End module is initiated to obtain the request of cluster host node, and zookeeper client modules go out main section from zookeeper cluster election
Point,
The configuration information of system is read into the cluster of system by system configuration information read module by configuration information read module
In host node, the configuration information of system is synchronized in the cluster secondary node of system simultaneously,
System configuration information monitors module, the configuration information of monitoring system, and the conversion of system configuration information is updated cluster master
In node configuration information stored items and cluster secondary node configuration information stored items,
Monitor module with clustered node, cluster host node sets up father node, and all cluster servers monitor mould by clustered node
Block is monitored to this father node, and creates corresponding transient node under this father node, when host node process or machine event
Hinder machine of delaying, according to zookeeper intercommunication mechanism, the transient node of host node is deleted, and other cluster secondary nodes pass through
Getchildern mode obtains the situation of this cluster host node, and obtains the list of remaining standby server, elects new master
Node, realizes switching.
A kind of system cluster method and system based on zookeeper technology of various embodiments of the present invention, are wrapped due to main
Include: cluster elects an optimum node after starting from all system nodes, provides the user system as active system node
Service, other system nodes read, as secondary node, simultaneously main system node, the system configuration letter that front-end business node needs
Breath, is distributed to each secondary node；Start the running status that described working traffic node monitored by an audiomonitor, start one simultaneously
Audiomonitor monitoring system configuration information changes；Once system configuration changes,.Then primary node and secondary node are timely more
The configuration information of oneself caching new simultaneously when the running status of described active system node is fault, from described back-up system
Elect an optimum node in node as current system node, provide service for front-end business node；Such that it is able to overcome
During the primary node failure of prior art, because secondary node needs to re-read configuration information, not lead to service disconnection in real time
Long；During primary node failure, if its secondary node is also at malfunction, then the defect that business will terminate.
Other features and advantages of the present invention will illustrate in the following description, and, partly become from description
Obtain it is clear that or being understood by implementing the present invention.
Below by drawings and Examples, technical scheme is described in further detail.
Brief description
Accompanying drawing is used for providing a further understanding of the present invention, and constitutes a part for description, the reality with the present invention
Apply example and be used for explaining the present invention together, be not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is that a kind of system cluster method and system based on zookeeper technology described in the specific embodiment of the invention are former
Reason flow chart；
Fig. 2 is a kind of system cluster method and system based on zookeeper technology described in the specific embodiment of the invention
The idiographic flow of s001 is as schemed；
Fig. 3 is a kind of system cluster method and system based on zookeeper technology described in the specific embodiment of the invention
The idiographic flow of s002 is as schemed；
Fig. 4 is a kind of system cluster method and system based on zookeeper technology described in the specific embodiment of the invention
The idiographic flow of s003 is as schemed；
Fig. 5 is a kind of system cluster method and system based on zookeeper technology described in the specific embodiment of the invention
The idiographic flow of s004 is as schemed.
Specific embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are illustrated it will be appreciated that preferred reality described herein
Apply example to be merely to illustrate and explain the present invention, be not intended to limit the present invention.
Specifically, a kind of system cluster method based on zookeeper technology, specifically includes that
S001: the optimum node of election one from zookeeper clustered node, carries for user as active system cluster host node
For system service, other system node is as cluster secondary node；
S002:zookeeper cluster host node reads system configuration information, is distributed to described cluster secondary node backup simultaneously；
S003: enable the change of a system configuration information audiomonitor monitoring system configuration information, when system configuration information occurs
During change, system configuration information is synchronized in time in cluster host node configuration information stored items and all cluster secondary nodes
In configuration information stored items；
S004: start an audiomonitor and monitor described cluster host node running status, when the running status of described primary node is
During fault, from secondary node, elect a primary node, continue to provide system service.
In s001, specifically include, zookeeper cluster is built to the server providing system core server, according to joining
Put pass and tie up to installation zookeeper service on each machine, elect an optimum node to make using the election mechanism of zookeeper
For external service host node, other nodes run as secondary node,
When external program obtains cluster host node, External Program Interface module is initiated to obtain to zookeeper client modules
The request of cluster host node, zookeeper cluster selects cluster host node.
S002 specifically includes, and after zookeeper cluster election goes out cluster host node, system configuration information is read in collection
Group's host node, and using zookeeper configuration synchronizing function, configuration information is distributed to the backup of each secondary node.
S004 specifically includes: configuration audiomonitor, and audiomonitor is deployed on every machine of cluster, every machine according to
Zookeeper feature increases the corresponding vertex ticks of oneself, and when cluster host node breaks down, cluster secondary node unanimously stores
Node list removes host node labelling, and audiomonitor timing calls getchildren mode to obtain each node situation of cluster, determines
Whether reselect host node.
The group system of the system cluster method based on zookeeper technology, comprising:
Zookeeper cluster creation module, the server for providing system core server builds zookeeper cluster, and presses
According to configuration relation, zookeeper service is installed on each machine, elect an optimum section using zookeeper service electoral system
Point as external service cluster host node, other nodes as cluster secondary node,
Zookeeper client modules and External Program Interface module, described External Program Interface module is to zookeeper client
End module is initiated to obtain the request of cluster host node, and zookeeper client modules go out main section from zookeeper cluster election
Point,
The configuration information of system is read into the cluster of system by system configuration information read module by configuration information read module
In host node, the configuration information of system is synchronized in the cluster secondary node of system simultaneously,
System configuration information monitors module, the configuration information of monitoring system, and the conversion of system configuration information is updated cluster master
In node configuration information stored items and cluster secondary node configuration information stored items,
Monitor module with clustered node, cluster host node sets up father node, and all cluster servers monitor mould by clustered node
Block is monitored to this father node, and creates corresponding transient node under this father node, when host node process or machine event
Hinder machine of delaying, according to zookeeper intercommunication mechanism, the transient node of host node is deleted, and other cluster secondary nodes pass through
Getchildern mode obtains the situation of this cluster host node, and obtains the list of remaining standby server, elects new master
Node, realizes switching.
The present invention carries the system node cluster method solving prior art, and the service outage duration being brought is longer, and
During secondary node fault, the problem of service disconnection, in conjunction with Fig. 1, technical scheme is as follows: 1 elects from described all system nodes
One optimum node, provides the user system service as active system node, other system nodes are main as secondary node 2
System node reads system configuration information, is distributed to each secondary node；3 start an audiomonitor monitors described working traffic section
The running status of point, starts an audiomonitor monitoring system configuration information change simultaneously；Once 4 system configurations change,.
Then primary node and secondary node upgrade in time the configuration information of oneself caching；The 5 operation shapes working as described active system node
When state is fault, elects an optimum node from described back-up system node as current system node, be front-end business
Node provides service.
As shown in the s001 in Fig. 1: zookeeper cluster is built for the server providing system core service, is pressing
According to configuration relation, zookeeper service is installed on each machine, elect an optimum section using the election mechanism of zookeeper
As external service host node, other nodes run point as secondary node, should be noted that external program obtains cluster host node
Zookeeper client-side program is needed to initiate acquisition request, idiographic flow such as Fig. 2.
As shown in the s002 in Fig. 1: after zookeeper cluster election goes out host node, system configuration information is read in
Host node [d04], and using zookeeper configuration synchronizing function, configuration information is distributed to the backup of each secondary node, tool
Body is as shown in Figure 3.
As shown in the s003 in Fig. 1, enable an audiomonitor [d06] in cluster environment, monitor the change of configuration file, one
Denier configuration file sends change [d07], then repeat Fig. 3 process and reload profile information, and backup to each node, tool
Body is as shown in Figure 4.
As shown in the s004 in Fig. 1: one audiomonitor module of configuration, monitor cluster host node running status, once main section
Point breaks down or machine of delaying, then reactivate host node and select, then automatic service switching.In conjunction with Fig. 5, specific strategy can
With:
The information Store of zookeeper is according to tree node framework, and cluster host node first oneself sets up a father node, owns
Cluster server is monitored to this node, and in its lower establishment transient node of oneself, these nodes are sequential, afterwards
The machine if once host node process or mechanical disorder are delayed, according to zookeeper intercommunication mechanism, its corresponding transient node
Also can be deleted, then other secondary nodes of cluster can know this feelings by zookeeper interface getchildren mode
Condition, and the list of remaining standby server can be obtained, and elect new host node, thus realizing switching.
Following beneficial effect at least can be reached: solve the system node cluster method of prior art, the business brought
Break period is long, and during secondary node fault, the problem of service disconnection, through realizing test distributed backstage system in certain system
The host node of system switches in Millisecond, and the information such as system configuration information can switch completely in real time, and the impact to business substantially may be used
To ignore, Scalability is greatly improved with vigorousness.
Finally it is noted that the foregoing is only the preferred embodiments of the present invention, it is not limited to the present invention,
Although being described in detail to the present invention with reference to the foregoing embodiments, for a person skilled in the art, it still may be used
To modify to the technical scheme described in foregoing embodiments, or equivalent is carried out to wherein some technical characteristics.
All any modification, equivalent substitution and improvement within the spirit and principles in the present invention, made etc., should be included in the present invention's
Within protection domain.
Claims (5)
1. a kind of system cluster method based on zookeeper technology is it is characterised in that comprise the following steps:
S001: the optimum node of election one from zookeeper clustered node, carries for user as active system cluster host node
For system service, other system node is as cluster secondary node；
S002:zookeeper cluster host node reads system configuration information, is distributed to described cluster secondary node backup simultaneously；
S003: enable the change of a system configuration information audiomonitor monitoring system configuration information, when system configuration information occurs
During change, system configuration information is synchronized in time in cluster host node configuration information stored items and all cluster secondary nodes
In configuration information stored items；
S004: start an audiomonitor and monitor described cluster host node running status, when the running status of described primary node is
During fault, from secondary node, elect a primary node, continue to provide system service.
2. the system cluster method based on zookeeper technology according to claim 1 is it is characterised in that step s001
In, specifically include, zookeeper cluster is built to the server providing system core server, according to configuration relation at each
Zookeeper service is installed on machine, the election mechanism by the use of zookeeper elects an optimum node as external service master
Node, other nodes run as secondary node,
When external program obtains cluster host node, External Program Interface module is initiated to obtain to zookeeper client modules
The request of cluster host node, zookeeper cluster selects cluster host node.
3. the system cluster method based on zookeeper technology according to claim 2 is it is characterised in that described step
S002 specifically includes, and after zookeeper cluster election goes out cluster host node, system configuration information is read in the main section of cluster
Point, and using zookeeper configuration synchronizing function, configuration information is distributed to the backup of each secondary node.
4. the system cluster method based on zookeeper technology according to claim 3 is it is characterised in that described step
S004 specifically includes: configuration audiomonitor, and audiomonitor is deployed on every machine of cluster, and every machine is special according to zookeeper
Point increases the corresponding vertex ticks of oneself, and when cluster host node breaks down, cluster secondary node consistent memory node inventory is clear
Except host node labelling, audiomonitor timing calls getchildren mode to obtain each node situation of cluster, decides whether again to select
Select host node.
5. a kind of group system based on the system cluster method based on zookeeper technology described in claim 4, its feature
It is, comprising:
Zookeeper cluster creation module, the server for providing system core server builds zookeeper cluster, and presses
According to configuration relation, zookeeper service is installed on each machine, elect an optimum section using zookeeper service electoral system
Point as external service cluster host node, other nodes as cluster secondary node,
Zookeeper client modules and External Program Interface module, described External Program Interface module is to zookeeper client
End module is initiated to obtain the request of cluster host node, and zookeeper client modules go out main section from zookeeper cluster election
Point,
The configuration information of system is read into the cluster of system by system configuration information read module by configuration information read module
In host node, the configuration information of system is synchronized in the cluster secondary node of system simultaneously,
System configuration information monitors module, the configuration information of monitoring system, and the conversion of system configuration information is updated cluster master
In node configuration information stored items and cluster secondary node configuration information stored items,
Monitor module with clustered node, cluster host node sets up father node, and all cluster servers monitor mould by clustered node
Block is monitored to this father node, and creates corresponding transient node under this father node, when host node process or machine event
Hinder machine of delaying, according to zookeeper intercommunication mechanism, the transient node of host node is deleted, and other cluster secondary nodes pass through
Getchildern mode obtains the situation of this cluster host node, and obtains the list of remaining standby server, elects new master
Node, realizes switching.
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