CN108183817A - Efficient unified configuring management method and system - Google Patents

Efficient unified configuring management method and system Download PDF

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Publication number
CN108183817A
CN108183817A CN201711382474.7A CN201711382474A CN108183817A CN 108183817 A CN108183817 A CN 108183817A CN 201711382474 A CN201711382474 A CN 201711382474A CN 108183817 A CN108183817 A CN 108183817A
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China
Prior art keywords
key
version
value
key assignments
configuration
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CN201711382474.7A
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Chinese (zh)
Inventor
胡小波
冯鸣
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Innovation Of Unlimited Information Technology (wuhan) Ltd By Share Ltd
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Innovation Of Unlimited Information Technology (wuhan) Ltd By Share Ltd
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Priority to CN201711382474.7A priority Critical patent/CN108183817A/en
Publication of CN108183817A publication Critical patent/CN108183817A/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/08Configuration management of networks or network elements
    • H04L41/0889Techniques to speed-up the configuration process
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00Arrangements for program control, e.g. control units
    • G06F9/06Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44Arrangements for executing specific programs
    • G06F9/445Program loading or initiating
    • G06F9/44505Configuring for program initiating, e.g. using registry, configuration files
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/16Implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP]
    • H04L69/164Adaptation or special uses of UDP protocol

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  • Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Security & Cryptography (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

A kind of efficient unified configuring management method, including:S1, a configuration management center is established;S2, when application system needs the key assignments that some is configured, if from having not been obtained before the key assignments, by the request of data based on TCP Socket from configuration management center requests key assignments, configuration management center returns to key assignments, the current key assignments version number;S3, when application system needs the key assignments that some is configured, if once obtained before the key assignments, the effective value of last time is obtained from caching or persistence file;Once S4, application system start startup and a heartbeat packet are maintained to send sub-line journey and a UDP monitoring sub-line journey;S5, configuration center are parsed after receiving heartbeat packet, record the last-minute plea timestamp of key included in heartbeat packet, and the version of the corresponding key at comparative arrangement center;The key not being requested for a long time is screened in S6, configuration center timing, and administrator is reminded the key assignments that the part may fail is audited and cleared up.

Description

Efficient unified configuring management method and system
Technical field
The present invention relates to system configuration administrative skill field, more particularly to a kind of efficient unified configuring management method and it is System.
Background technology
Existing system configuration management is mostly managed using unified configuration file or copies or use manually and is distributed same Step technology is distributed.Also part system is managed collectively using unified configuration management center.
But there are following defects for currently existing scheme:
It is managed by configuration file mode, often all configurations carry out persistence by document form, with making Increased with the system of configuration file, cause configuration file more and more and increasing.It is and identical in different configuration files Key assignments reusability it is relatively low, management cost increases and complicates and rapid increase with system.
It is managed by unified configuration management center, although solving the defects of decentralized configuration file management, Application system can not timely update after leading to the update of the nodal value in configuration, lead to configuration the problem of can not coming into force in real time.In addition After configuration management center is broken down, often lead to be abnormal when application system is configured because that can not obtain.
Invention content
In view of this, the present invention proposes a kind of efficient unified configuring management method and system.
A kind of efficient unified configuring management method, includes the following steps:
S1, a configuration management center is established;
S2, application system need some be configured key assignments when, if the key assignments before from having not been obtained, by being based on For the request of data of TCP Socket from configuration management center requests key assignments, configuration management center returns to key assignments, the current key assignments version This number, application system comes into force the value, while the key got, value, version number are cached and persistence;
S3, when application system needs the key assignments that some is configured, if once obtained before the key assignments, from caching or hold The effective value of last time is obtained in longization file;
Once S4, application system start startup and a heartbeat packet are maintained to send sub-line journey and UDP monitoring Thread is to configuration management center;
S5, configuration center are parsed after receiving heartbeat packet, record the last-minute plea timestamp of key included in heartbeat packet, And the version of the corresponding key at comparative arrangement center;
The key not being requested for a long time is screened in S6, configuration center timing, and administrator is reminded to carry out to the part The key assignments that may be failed is audited and is cleared up, the invalid configuration that configuration center is kept not precipitated with the time.
In efficient unified configuring management method of the present invention,
The step S1 includes:
Carry out Configuration Values management using the mode of key-value pair, key name uses the title of class.path, value using multiple types into Row storage;
Key assignments use is with Types Below, a:Simple Value Types, the textual value less than 1KB, b:Long Value Types, the text more than 1KB This value, c:Expansion type, i.e., value extension storage JSON, the XML form based on a, b;
There are one version numbers for each key-value pair, version number will be caused to change in each modified values.
In efficient unified configuring management method of the present invention,
The step S4 includes:
After the preset time of heartbeat packet transmission sub-line journey interval a UDP heartbeat packet, heartbeat packet are sent out to configuration management center Content is the nearest used configuration key name of current application system and key version number, if used recently in current application system Grouping key is more, then the UDP packets for being divided into multiple below 1KB are sent;
UDP monitors sub-line journey, if receiving UDP packets, is parsed, and expected content.
In efficient unified configuring management method of the present invention,
The expected content includes:
It is expected that key name, key assignments, key version are included in the UDP packets.If data are legal, update in application system at once Corresponding key assignments, while the key got, value, version number are cached and persistence;
It is expected that key name, key version are included in the UDP packets.It is asynchronous by based on TCP Socket's if data are legal Request of data asks key assignments from configuration center, and configuration center returns to key assignments, the current key assignments version number, and application system comes into force this Value, while the key got, value, version number are cached and persistence.
In efficient unified configuring management method of the present invention,
The version of the corresponding key at comparative arrangement center includes in the step S5:
The version of the corresponding key at comparative arrangement center if version is identical, ignores the heartbeat packet, if version is not Together, then:
If the key is simple Value Types, a UDP packet is returned to transmission source, key name, key assignments, key version are included in packet
If the key is long Value Types, a UDP packet is returned to transmission source, key name, key version are included in packet.
The present invention also provides a kind of efficient unified configuration management system, including such as lower unit:
Dispensing unit is used for, stands a configuration management center;
First key assignments request unit, for application system need some be configured key assignments when, if the key assignments before from It had not been obtained, then by the request of data based on TCP Socket from configuration management center requests key assignments, configuration management center is returned Go back to key assignments, the current key assignments version number, application system comes into force the value, while the key got, value, version number cached and Persistence;
Second key assignments request unit, for application system need some be configured key assignments when, if the key assignments before once It obtained, then the effective value of last time is obtained from caching or persistence file;
Information transmitting unit for once starting in application system, that is, starts and a heartbeat packet is maintained to send sub-line journey Sub-line journey is monitored to configuration management center with a UDP;
Resolution unit is parsed for passing through after configuration center receives heartbeat packet, the key included in record heartbeat packet Last-minute plea timestamp, and the version of the corresponding key at comparative arrangement center;
Screening unit for being screened by configuration center timing to the key not being requested for a long time, reminds management Member the key assignments that the part may fail is audited and cleared up, and configuration center is kept not precipitated with the time invalid Configuration.
In efficient unified configuration management system of the present invention,
The dispensing unit includes:
Carry out Configuration Values management using the mode of key-value pair, key name uses the title of class.path, value using multiple types into Row storage;
Key assignments use is with Types Below, a:Simple Value Types, the textual value less than 1KB, b:Long Value Types, the text more than 1KB This value, c:Expansion type, i.e., value extension storage JSON, the XML form based on a, b;
There are one version numbers for each key-value pair, version number will be caused to change in each modified values.
In efficient unified configuration management system of the present invention,
Described information transmitting element includes:
After the preset time of heartbeat packet transmission sub-line journey interval a UDP heartbeat packet, heartbeat packet are sent out to configuration management center Content is the nearest used configuration key name of current application system and key version number, if used recently in current application system Grouping key is more, then the UDP packets for being divided into multiple below 1KB are sent;
UDP monitors sub-line journey, if receiving UDP packets, is parsed, and expected content.
In efficient unified configuration management system of the present invention,
The expected content includes:
It is expected that key name, key assignments, key version are included in the UDP packets.If data are legal, update in application system at once Corresponding key assignments, while the key got, value, version number are cached and persistence;
It is expected that key name, key version are included in the UDP packets.It is asynchronous by based on TCP Socket's if data are legal Request of data asks key assignments from configuration center, and configuration center returns to key assignments, the current key assignments version number, and application system comes into force this Value, while the key got, value, version number are cached and persistence.
In efficient unified configuration management system of the present invention,
The version of the corresponding key at comparative arrangement center includes in the resolution unit:
The version of the corresponding key at comparative arrangement center if version is identical, ignores the heartbeat packet, if version is not Together, then:
If the key is simple Value Types, a UDP packet is returned to transmission source, key name, key assignments, key version are included in packet
If the key is long Value Types, a UDP packet is returned to transmission source, key name, key version are included in packet.
Implement efficient unified configuring management method provided by the invention and system has compared with prior art with following Beneficial effect:
1st, centralized management is configured, each application system configuration when changing is configured and comes into force in real time (in 1-3 seconds);
2nd, it based on UDP packets, will not cause to block because of network failure or service fault, it is slow to cause application system;
3rd, each application system only synchronizes the configuration key assignments used, and without synchronizing entire configuration, substantially reduces system complex Degree, and similarly configure key assignments completely multiplexing will not redundancy;
4th, simplify application system and call configuration, need to only ask key that can obtain the value of configuration, without parsing configuration then Acquired value;
5th, configuration center failure will not cause application system abnormal;
6th, it can extend and dispose on a large scale, theoretically only network bandwidth limits no application system quantity limitation;
7th, the configuration key assignments of accurate early warning failure, guarantee will not precipitate a large amount of invalid configurations with the time.
Description of the drawings
Fig. 1 is the efficient unified configuring management method flow chart of the embodiment of the present invention.
Specific embodiment
As shown in Figure 1, establishing a configuration management center, characteristic is as follows:
S1, Configuration Values management is carried out using the mode of key-value pair, key name uses the title of class.path, such as XXX/XXX/ XXX, and value is stored using multiple types;
Key assignments use is with Types Below, a:Simple Value Types (textual value for being less than 1KB), b:Long Value Types (are more than the text of 1KB This value), c:Expansion type (the value extension storage JSON based on a, b, XML format)
For each key-value pair there are one version number, each modified values can all cause version number to change;
When S2, application system need the key assignments that some is configured, if from having not been obtained before the key assignments, by being based on The request of data (such as TCP Socket, http/https .net Remoting) of TCP Socket is asked from configuration center Key assignments, configuration center return to key assignments, the current key assignments version number, and application system comes into force the value, at the same by the key got, value, Version number is cached and persistence.
When S3, application system need the key assignments that some is configured, if once obtained before the key assignments, from caching or persistently Change and the effective value of last time is obtained in file.
Once S4, application system can start startup and a heartbeat packet maintained to send sub-line journey and a UDP monitoring Sub-line journey
Heartbeat packet sends sub-line journey and sends out a UDP heartbeat packet to configuration management center in interval 1-3 seconds, and heartbeat packet content is Used configuration is (used recently to refer to application system this is started to when current heartbeat packet is sent out once recently for current application system It is used) key name and key version number, if in current application system recently used in grouping key it is more, be divided into multiple The UDP packets of below 1KB are sent.
UDP monitors sub-line journey, if receiving UDP packets, is parsed, it is contemplated that content
It is expected that key name, key assignments, key version are included in the UDP packets.If data are legal, update in application system at once Corresponding key assignments, while the key got, value, version number are cached and persistence.
It is expected that key name, key version are included in the UDP packets.It is asynchronous by based on TCP Socket's if data are legal Request of data (such as TCP Socket, http/https .net Remoting) asks key assignments, configuration center from configuration center Return to key assignments, the current key assignments version number, application system comes into force the value, while the key got, value, version number are cached And persistence.
S5, configuration center are parsed after receiving heartbeat packet, record the last-minute plea timestamp of key included in heartbeat packet, And the version of the corresponding key at comparative arrangement center, if version is identical, ignore the heartbeat packet, if version is different,:
If the key is simple Value Types, a UDP packet is returned to transmission source, key name, key assignments, key version are included in packet
If the key is long Value Types, a UDP packet is returned to transmission source, key name, key version are included in packet
The key that S6, configuration center timing were not requested long-term (1 week or more) screens, and administrator is reminded to carry out The key assignments that the part may fail is audited and cleared up, configuration center is kept largely will not in vain to match as the time is precipitated It puts.
It is understood that for those of ordinary skill in the art, it can be conceived with the technique according to the invention and done Go out other various corresponding changes and deformation, and all these changes and deformation should all belong to the protection model of the claims in the present invention It encloses.

Claims (10)

1. a kind of efficient unified configuring management method, which is characterized in that it includes the following steps:
S1, a configuration management center is established;
S2, application system need some be configured key assignments when, if the key assignments before from having not been obtained, by being based on TCP For the request of data of Socket from configuration management center requests key assignments, configuration management center returns to key assignments, the current key assignments version number, Application system comes into force the value, while the key got, value, version number are cached and persistence;
S3, application system need some be configured key assignments when, if the key assignments before once obtained, from caching or persistence The effective value of last time is obtained in file;
Once S4, application system start startup and a heartbeat packet are maintained to send sub-line journey and a UDP monitorings sub-line journey extremely Configuration management center;
S5, configuration center are parsed after receiving heartbeat packet, record the last-minute plea timestamp of key included in heartbeat packet, and right Than the version of the corresponding key of configuration center;
The key not being requested for a long time is screened in S6, configuration center timing, and administrator is reminded to carry out may to the part The key assignments of failure is audited and is cleared up, the invalid configuration that configuration center is kept not precipitated with the time.
2. efficient unified configuring management method as described in claim 1, which is characterized in that
The step S1 includes:
Configuration Values management is carried out using the mode of key-value pair, key name is used the title of class.path, is worth and deposited using multiple types Storage;
Key assignments use is with Types Below, a:Simple Value Types, the textual value less than 1KB, b:Long Value Types, the textual value more than 1KB, c:Expansion type, i.e., the value extension storage JSON based on a, b, XML format;
There are one version numbers for each key-value pair, version number will be caused to change in each modified values.
3. efficient unified configuring management method as described in claim 1, which is characterized in that
The step S4 includes:
After the preset time of heartbeat packet transmission sub-line journey interval a UDP heartbeat packet, heartbeat packet content are sent out to configuration management center For current application system used configuration key name and key version number recently, if in current application system recently used in be configured Key is more, then the UDP packets for being divided into multiple below 1KB are sent;
UDP monitors sub-line journey, if receiving UDP packets, is parsed, and expected content.
4. efficient unified configuring management method as claimed in claim 3, which is characterized in that
The expected content includes:
It is expected that key name, key assignments, key version are included in the UDP packets.If data are legal, the correspondence in application system is updated at once Key assignments, while the key got, value, version number are cached and persistence;
It is expected that key name, key version are included in the UDP packets.It is asynchronous to pass through the data based on TCP Socket if data are legal Request asks key assignments from configuration center, and configuration center returns to key assignments, the current key assignments version number, and application system comes into force the value, together When the key got, value, version number are cached and persistence.
5. efficient unified configuring management method as described in claim 1, which is characterized in that
The version of the corresponding key at comparative arrangement center includes in the step S5:
The version of the corresponding key at comparative arrangement center if version is identical, ignores the heartbeat packet, if version is different,:
If the key is simple Value Types, a UDP packet is returned to transmission source, key name, key assignments, key version are included in packet
If the key is long Value Types, a UDP packet is returned to transmission source, key name, key version are included in packet.
6. a kind of efficient unified configuration management system, which is characterized in that it includes such as lower unit:
Dispensing unit is used for, stands a configuration management center;
First key assignments request unit, for application system need some be configured key assignments when, if the key assignments before never obtain It took, then by the request of data based on TCP Socket from configuration management center requests key assignments, configuration management center return key Value, the current key assignments version number, application system come into force the value, while the key got, value, version number are cached and persistently Change;
Second key assignments request unit, for application system need some be configured key assignments when, if the key assignments before once obtained It crosses, then the effective value of last time is obtained from caching or persistence file;
Information transmitting unit for once starting in application system, that is, starts and a heartbeat packet is maintained to send sub-line journey and one A UDP monitors sub-line journey to configuration management center;
Resolution unit is parsed for passing through after configuration center receives heartbeat packet, record heartbeat packet in include key it is last Request time stabs, and the version of the corresponding key at comparative arrangement center;
Screening unit, for by configuration center timing the key not being requested for a long time is screened, remind administrator into Row is audited and is cleared up to the key assignments that the part may fail, and configuration center is kept not match with the invalid of time precipitation It puts.
7. efficient unified configuration management system as claimed in claim 6, which is characterized in that
The dispensing unit includes:
Configuration Values management is carried out using the mode of key-value pair, key name is used the title of class.path, is worth and deposited using multiple types Storage;
Key assignments use is with Types Below, a:Simple Value Types, the textual value less than 1KB, b:Long Value Types, the textual value more than 1KB, c:Expansion type, i.e., the value extension storage JSON based on a, b, XML format;
There are one version numbers for each key-value pair, version number will be caused to change in each modified values.
8. efficient unified configuration management system as claimed in claim 6, which is characterized in that
Described information transmitting element includes:
After the preset time of heartbeat packet transmission sub-line journey interval a UDP heartbeat packet, heartbeat packet content are sent out to configuration management center For current application system used configuration key name and key version number recently, if in current application system recently used in be configured Key is more, then the UDP packets for being divided into multiple below 1KB are sent;
UDP monitors sub-line journey, if receiving UDP packets, is parsed, and expected content.
9. efficient unified configuration management system as claimed in claim 8, which is characterized in that
The expected content includes:
It is expected that key name, key assignments, key version are included in the UDP packets.If data are legal, the correspondence in application system is updated at once Key assignments, while the key got, value, version number are cached and persistence;
It is expected that key name, key version are included in the UDP packets.It is asynchronous to pass through the data based on TCP Socket if data are legal Request asks key assignments from configuration center, and configuration center returns to key assignments, the current key assignments version number, and application system comes into force the value, together When the key got, value, version number are cached and persistence.
10. efficient unified configuration management system as claimed in claim 6, which is characterized in that
The version of the corresponding key at comparative arrangement center includes in the resolution unit:
The version of the corresponding key at comparative arrangement center if version is identical, ignores the heartbeat packet, if version is different,:
If the key is simple Value Types, a UDP packet is returned to transmission source, key name, key assignments, key version are included in packet
If the key is long Value Types, a UDP packet is returned to transmission source, key name, key version are included in packet.
CN201711382474.7A 2017-12-20 2017-12-20 Efficient unified configuring management method and system Pending CN108183817A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023159549A1 (en) * 2022-02-28 2023-08-31 上海莉莉丝科技股份有限公司 Server configuration debugging method, system and device, medium and computer program product

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102255752A (en) * 2011-06-30 2011-11-23 北京新媒传信科技有限公司 Configuration management system and method of server cluster
CN103309694A (en) * 2012-03-14 2013-09-18 腾讯科技(深圳)有限公司 Application program updating method and device
CN103516538A (en) * 2012-06-28 2014-01-15 中兴通讯股份有限公司 Method and device for uniform configuration of carrier-class clustered applications
CN106020729A (en) * 2016-05-25 2016-10-12 青岛海信移动通信技术股份有限公司 Clearing method and device for multi-media data of mobile terminal

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102255752A (en) * 2011-06-30 2011-11-23 北京新媒传信科技有限公司 Configuration management system and method of server cluster
CN103309694A (en) * 2012-03-14 2013-09-18 腾讯科技(深圳)有限公司 Application program updating method and device
CN103516538A (en) * 2012-06-28 2014-01-15 中兴通讯股份有限公司 Method and device for uniform configuration of carrier-class clustered applications
CN106020729A (en) * 2016-05-25 2016-10-12 青岛海信移动通信技术股份有限公司 Clearing method and device for multi-media data of mobile terminal

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023159549A1 (en) * 2022-02-28 2023-08-31 上海莉莉丝科技股份有限公司 Server configuration debugging method, system and device, medium and computer program product

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Application publication date: 20180619