CN110287053A - The method that distributed system is uniformly processed extremely - Google Patents
The method that distributed system is uniformly processed extremely Download PDFInfo
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- CN110287053A CN110287053A CN201910566898.1A CN201910566898A CN110287053A CN 110287053 A CN110287053 A CN 110287053A CN 201910566898 A CN201910566898 A CN 201910566898A CN 110287053 A CN110287053 A CN 110287053A
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- link trace
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/0703—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation
- G06F11/0706—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation the processing taking place on a specific hardware platform or in a specific software environment
- G06F11/0709—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation the processing taking place on a specific hardware platform or in a specific software environment in a distributed system consisting of a plurality of standalone computer nodes, e.g. clusters, client-server systems
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/0703—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation
- G06F11/0706—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation the processing taking place on a specific hardware platform or in a specific software environment
- G06F11/073—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation the processing taking place on a specific hardware platform or in a specific software environment in a memory management context, e.g. virtual memory or cache management
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/0703—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation
- G06F11/079—Root cause analysis, i.e. error or fault diagnosis
Abstract
The present invention relates to the methods that distributed system is uniformly processed extremely, comprising: A. establishes the calling process blocker class based on serial line interface for initiating far call, catchs the exception and prints correlation log;B. result response class is established, the call result between each service is responded;C. the link trace tool-class based on ThreadLocal, RpcContext and MDC is established, for request number to be arranged;D. service side and consumer configure the calling process blocker class in a manner of XML respectively;E. consumer section blocker class is established, for intercepting before consumer's call method;F. service side section blocker class is established, for intercepting before service side's call method.The present invention effectively reduces development cost, quickly can be positioned and be analyzed to abnormal, it is therefore prevented that internal code is chaotic and unnecessary risk occurs.
Description
Technical field
The present invention relates to the methods that distributed system is uniformly processed extremely.
Background technique
In processing of the distributed system to program exception, the abnormality processing component that DUBBO RPC frame provides the foundation,
In the case where being abnormal, can dish out to consumer customized exception, and consumer it should be understood that every kind of Exception Type simultaneously
Different processing strategies is made for different Exception Types, it, will be right if consumer does not show in the case where catching the exception
Operation system generates fatal mistake.The official document of DUBBO frame can refer to: http://dubbo.apache.org/zh-
cn/docs/user/quick-start.html
It can be seen that the existing mode to abnormality processing there are the shortcomings that have:
1. service side when defining api interface (application programming interface), to be shown need to define on interface
The various exceptions that may be dished out, and inform how every kind of exception of consumer should be handled.This undoubtedly increases service provider
Workload.
2. consumer needs to capture every kind of exception respectively and makes different processing strategies to abnormal, if forgetting or omitting
It catchs the exception, it will fatal error is caused to business.Therefore catching the exception for display equally also increases the work of consumer
Amount.
It is unfriendly to consumer and there are performance issues 3. the conventional mode by system external throw exception.
4. in the case that distribution call, be likely to call multiple service sides into part to complete a business, when
In the case that calling service chain road is abnormal, existing way, which is difficult quickly to position to call link context and quickly position, is asked
Inscribe reason.
Summary of the invention
The present invention provides a kind of methods that distributed system is uniformly processed extremely, to reduce development cost, to abnormal fast
Speed positioning and analysis prevent internal code chaotic and unnecessary risk occur.
The method that distributed system of the present invention is uniformly processed extremely, feature include:
A. the calling process blocker class based on serial line interface for initiating far call is established, when far call occurs
When abnormal, the calling process blocker class can catch the exception and print correlation log;
B. result response class is established, for responding the call result between each service, and calling process described in receiving step A
The output information of blocker class;
C. it establishes and is based on a ThreadLocal (local thread copy Variant Tool class.Be mainly used for privately owned thread and
The thread storage duplicate objects do a mapping, the variable between each thread is not interfere with each other), RpcContext
(the transitory state logger of ThreadLocal) and MDC (Mapped Diagnostic Context, Mapping context,
For record log under the conditions of multithreading) link trace tool-class, for be arranged request number, and will request number setting
Link trace is used for into the context of current thread, RpcContext and MDC;
D. service side and consumer configure the calling process blocker in a manner of XML (extensible markup language) respectively
Class, it is corresponding to realize the abnormal interception unified to service side and the unified exception of consumer is intercepted;
E. consumer section blocker class is established, for being intercepted before consumer's call method, and invocation step C
The link trace tool-class is numbered and consumer's link trace context request is arranged;
F. service side section blocker class is established, for being intercepted before service side's call method, and invocation step C
The link trace tool-class obtains the request number that consumer is passed to, and service side's link trace context is arranged.
Above-mentioned steps through the invention complete the energy of the abnormality processing and link trace from consumption terminal to server-side
Power carries out the process of response processing from consumption terminal initiation call request to server-side, and whether consumption terminal or server-side occur
In the case where abnormal or normal operation, consumption terminal can normally get result response class, to abnormal quickly positioning, while
The entire flowing water log for calling link can be got by correlation distribution formula log collection tool.
Further, the tune for initiating far call is included at least in the calling process blocker class described in step A
With device, and calling interface and call method for calling metadata.
Further, 4 field attributes are included at least in the response of the result described in step B class: request number, Wei Yibiao
Know one to request and for link trace;Answer code determines whether response results are normal by code value;Response description, to current
The description of call result;Response object, the legitimate reading of this acquisition of called side.
Further, it is included at least in step C there are two method, first method is used to set when initiating request
Request number is set to link context;Second method before request returns the result for emptying link context.
On this basis, after step E completes the setting, the link trace tool is recalled when returning the result
Class empties consumer's link trace context, releasing memory space.
Further, after step F completes the setting, the link trace tool-class is recalled when returning the result
Empty service side's link trace context, releasing memory space.
Further, in the consumer section blocker class of step E and the service side section blocker class of step F, point
It Bao Han not be to define to intercept section there are two method, first method, be intercepted for the method to calling;Second method
Be realize intercept logic, for before execution method setting request number, emptied when finally returning that result link with
The online text of track and releasing memory space, respectively correspond the abnormality processing and link trace for completing consumer and service side.
The beneficial effect comprise that
1. realize the tracking ability for calling link, can quick obtaining to link calling context, and quickly position different
Often and exception is solved, effectively improves the responding ability of exploitation and O&M.
2. defining the exploitation contract of service side and called side, business risk caused by no contract programs is reduced.
3. defining the service response object class of frame level, calling process blocker class, link trace class, developer is only
The business development logic for needing to be concerned about itself has unified abnormal processing mode, has reduced development cost.
4. realizing the low intrusion of code, and service code zero is invaded, reduces and led because introducing a whole set of technical solution
The business risk of cause.
Specific embodiment with reference to embodiments is described in further detail above content of the invention again.
But the range that this should not be interpreted as to the above-mentioned theme of the present invention is only limitted to example below.Think not departing from the above-mentioned technology of the present invention
In the case of thinking, the various replacements or change made according to ordinary skill knowledge and customary means should all be included in this hair
In bright range.
Detailed description of the invention
Fig. 1 is the flow chart for the method that distributed system of the present invention is uniformly processed extremely.
Fig. 2 is the link trace log sample finally obtained by the method for the invention.
Specific embodiment
The method that distributed system of the present invention as shown in Figure 1 is uniformly processed extremely, comprising:
A. the calling process blocker class based on serial line interface (SPI) for initiating far call is established, such realization
The invoke method of Dubbo Filter interface class.When far call is abnormal, the calling process blocker class
It can catch the exception and print correlation log.The calling for initiating far call is included at least in calling process blocker class
Device, and calling interface and call method for calling metadata.
B. result response class is established, for responding the call result between each service, and calling process described in receiving step A
The output information of blocker class.Include at least 4 field attributes in result response class: request number, unique identification one is asked
It asks and is used for link trace;Answer code determines whether response results are normal by code value;Response description, to current call result
Description;Response object, the legitimate reading of this acquisition of called side.
C. the link trace tool-class based on ThreadLocal, RpcContext and MDC is established, is compiled for request to be arranged
Number, and request number is arranged into the context of current thread, RpcContext and MDC and is used for link trace.Correspondingly,
Comprising there are two method, first method is used for setting request number when initiating request and arrives chain in link trace tool-class
Road is hereafter;Second method before request returns the result for emptying link context.
D. service side and consumer configure the calling process blocker in a manner of XML (extensible markup language) respectively
Class, it is corresponding to realize the abnormal interception unified to service side and the unified exception of consumer is intercepted.
The calling process blocker class of service side and consumer is respectively configured:
D1. under the file to the resources catalogue of project for creating dubbo.xml.
D2. dubbo.xml is edited, calling process blocker class is configured:
D3. file is saved.
E. consumer section blocker class is established, for being intercepted before consumer's call method, and invocation step C
The link trace tool-class is numbered and consumer's link trace context request is arranged.Then it is adjusted again when returning the result
Consumer's link trace context, releasing memory space are emptied with the link trace tool-class.Therefore, in consumer section
The corresponding method comprising there are two in blocker class, first method are to define to intercept section, are blocked for the method to calling
It cuts;Second method be realize intercept logic, for before execution method setting request number, finally return that result when
Time empties the online text of link trace and releasing memory space, completes the abnormality processing and link trace of consumer.
F. service side section blocker class is established, for being intercepted before service side's call method, and invocation step C
The link trace tool-class obtains the request number that consumer is passed to, and service side's link trace context is arranged.Then
The link trace tool-class is recalled when returning the result empties service side's link trace context, releasing memory space.
Therefore, corresponding comprising there are two method, first method is to define to intercept section in the blocker class of service side section, for pair
The method of calling is intercepted;Second method is to realize intercept logic, for request number to be arranged before execution method,
The online text of link trace and releasing memory space are emptied when finally returning that result, complete the abnormality processing and link of service side
Tracking.
Through the above steps, that is, the ability for completing the abnormality processing and link trace from consumption terminal to server-side, from disappearing
Fei Duan initiates the process that call request carries out response processing to server-side, and link trace log sample is as shown in Figure 2.Whether disappear
In the case that expense end or server-side are abnormal or operate normally, consumption terminal can normally get result response class, right
Abnormal quickly positioning, while the entire flowing water log for calling link can be also got by correlation distribution formula log collection tool.
Claims (7)
1. the method that distributed system is uniformly processed extremely, feature include:
A. the calling process blocker class based on serial line interface for initiating far call is established, when far call is abnormal
When, the calling process blocker class can catch the exception and print correlation log;
B. result response class is established, for responding the call result between each service, and calling process described in receiving step A intercepts
The output information of device class;
C. the link trace tool-class based on ThreadLocal, RpcContext and MDC is established, for request number to be arranged, and
Request number is arranged into the context of current thread, RpcContext and MDC and is used for link trace;
D. service side and consumer configure the calling process blocker class in a manner of XML respectively, corresponding to realize to service side
Unified abnormal interception and the abnormal interception unified to consumer;
E. consumer section blocker class is established, for intercepting before consumer's call method, and described in invocation step C
Link trace tool-class come be arranged request number and consumer's link trace context;
F. service side section blocker class is established, for intercepting before service side's call method, and described in invocation step C
Link trace tool-class obtain the request number that consumer is passed to, and service side's link trace context is set.
2. the method that distributed system as described in claim 1 is uniformly processed extremely, it is characterized in that: the tune described in step A
With including at least calling device for initiating far call in process blocker class, and for call the calling interface of metadata with
Call method.
3. the method that distributed system as described in claim 1 is uniformly processed extremely, it is characterized in that: the knot described in step B
Fruit, which responds, includes at least 4 field attributes in class: request number, unique identification one is requested and is used for link trace;Answer code,
Determine whether response results are normal by code value;Response description, the description to current call result;Response object, called side sheet
The legitimate reading of secondary acquisition.
4. the method that distributed system as described in claim 1 is uniformly processed extremely, it is characterized in that: it is at least wrapped in step C
Containing there are two method, first method is used for setting request number when initiating request and arrives link context;Second side
Method before request returns the result for emptying link context.
5. the method that the distributed system as described in one of Claims 1-4 is uniformly processed extremely, it is characterized in that: it is complete in step E
After the setting, the link trace tool-class is recalled when returning the result and empties consumer's link trace context,
Releasing memory space.
6. the method that the distributed system as described in one of Claims 1-4 is uniformly processed extremely, it is characterized in that: it is complete in step F
After the setting, the link trace tool-class is recalled when returning the result and empties service side's link trace context,
Releasing memory space.
7. the method that the distributed system as described in one of Claims 1-4 is uniformly processed extremely, it is characterized in that: step E's
In consumer section blocker class and the service side section blocker class of step F, separately include there are two method, first method
It is to define to intercept section, is intercepted for the method to calling;Second method is to realize intercept logic, in the side of execution
Request number is set before method, the online text of link trace and releasing memory space are emptied when finally returning that result, respectively
The corresponding abnormality processing and link trace for completing consumer and service side.
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CN113190364A (en) * | 2021-04-30 | 2021-07-30 | 平安壹钱包电子商务有限公司 | Remote call management method and device, computer equipment and readable storage medium |
CN114553724A (en) * | 2022-03-01 | 2022-05-27 | 启明信息技术股份有限公司 | Method and system for solving operation and maintenance problems of distributed micro-service architecture platform |
CN114553724B (en) * | 2022-03-01 | 2024-03-26 | 启明信息技术股份有限公司 | Method and system for solving operation and maintenance problems of distributed micro-service architecture platform |
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