CN113572828A - System for improving client load balance based on URL grouping granularity - Google Patents
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- 238000012545 processing Methods 0.000 claims abstract description 51
- 230000000977 initiatory effect Effects 0.000 claims abstract description 4
- 238000001914 filtration Methods 0.000 claims description 10
- 230000001737 promoting effect Effects 0.000 claims description 6
- 230000003068 static effect Effects 0.000 claims description 5
- 230000007246 mechanism Effects 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- 238000012216 screening Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 5
- 238000012795 verification Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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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
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
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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
- H04L67/1001—Protocols in which an application is distributed across nodes in the network for accessing one among a plurality of replicated servers
- H04L67/1004—Server selection for load balancing
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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
- H04L67/146—Markers for unambiguous identification of a particular session, e.g. session cookie or URL-encoding
Abstract
The invention provides a system for improving client load balance based on URL grouping granularity, which comprises: the service list filter is used for acquiring a server address from the service list; the first processing module is respectively connected with the service list filter and used for grouping the URL request data according to a preset grouping strategy to form a plurality of URL data sets and processing the URL data sets and the server addresses, and the second processing module is connected with the first processing module to determine a server corresponding to each URL data set; and the load balancer is connected with the second processing module and used for initiating a connection request to the server corresponding to the URL data set by adopting a preset load balancing strategy. The management cost is low and the workload is small.
Description
Technical Field
The invention relates to the technical field of load balancing, in particular to a system for improving client load balancing based on URL grouping granularity.
Background
Ribbon is a client load balancing tool based on hypertext transfer protocol (Http) and Transmission Control Protocol (TCP). Currently, a ribbon load balancing policy defaults to only a service level (service level), and as shown in fig. 1, several server information, such as including a server address, is generally obtained from a static service list or from a registry, and applicable servers are screened out according to the service list filter, and currently unused servers are filtered out. And then, sending a service list formed by the screened server information to the IRule load balancer.
If a load balancing strategy of different Uniform Resource Location Systems (URLs) in a certain server is to be configured, different URLs need to be configured into a plurality of servers, and the defects are that the workload is large, the management cost is high, and the design is not reasonable.
Disclosure of Invention
Based on the technical problems in the prior art, the invention provides a system for improving client load balancing based on URL grouping granularity, which directly solves the technical problems in the prior art that the workload for configuring different URL load balancing strategies in a service is large, the management cost is high and the like.
A system for promoting client load balancing based on URL packet granularity, comprising:
the service list filter is used for screening out servers allowing normal access from the service list to form a service list, and the service list comprises addresses of the servers;
the first processing module is connected with the service list filter and used for grouping URL request data according to a preset grouping strategy to form a plurality of URL data sets and processing the URL data sets and the service list to determine a server corresponding to each URL data set;
and the load balancer is connected with the first processing module and used for initiating a connection request to the server corresponding to the URL data set by adopting a preset load balancing strategy.
Further, the first processing module comprises:
the link tracking filter is used for setting request starting time and link tracking buried points, and acquiring and filtering the URL data set based on the request starting time and the link tracking buried points;
the context filter is respectively connected with the link tracking filter and the service list filter and is used for adding the screened service list, a preset grouping strategy, fusing configuration information, current limiting configuration information and authentication configuration information into the context of the URL data set;
wherein the content of the first and second substances,
the fusing configuration information comprises a preset fusing rule;
the current limiting configuration information comprises preset current limiting rules;
the authentication configuration information comprises a preset authentication rule.
Further, the first processing module further includes:
and the current limiting filter is connected with the context filter and is used for filtering the URL request data in the URL data set according to the preset current limiting rule.
Further, the first processing module further includes:
and the signature authentication filter is connected with the context filter and is used for filtering the URL request data in the URL data set according to the preset authentication rule.
Further, the first processing module further includes:
and skipping a fusing filter, connecting the signature authentication filter, not executing a fusing mechanism of client load balance, and directly outputting the URL data set.
The second processing module is respectively connected with the first processing module and the load balancer and used for rewriting a Ribbon command factory-created Ribbon command in a Ribbon and grouping the URL request data to form the URL data set;
the load balancer is also used for executing fusing operation according to a preset fusing rule.
The system further comprises an exception interceptor which is respectively connected with the first processing module, the load balancer and the second processing module and is used for intercepting whether an exception occurs when the first processing module, the load balancer and the second processing module execute a task.
Further, the system further comprises a list obtaining module, connected to the service list filter, and configured to obtain the service list from a static service list or a registry.
Further, the preset current limiting rule includes a maximum number of requests per hour, and a single IP maximum number of requests per hour.
Further, the preset fusing rule includes: whether to interrupt the server connection, the maximum concurrent request, whether to start the cache, whether to start the log, whether to forcibly start the breaker, whether to forcibly close the breaker, the minimum number of requests for opening the breaker, and the fusing start time length are determined when the breaker is cancelled.
The beneficial technical effects of the invention are as follows: by grouping the URL request data and executing a load balancing strategy, the method has the advantages of reasonable design, low management cost and small workload.
Drawings
Fig. 1 is a block diagram of a prior art client load balancing architecture.
FIG. 2 is a block diagram of a system for improving client load balancing based on URL packet granularity according to the present invention;
fig. 3 is a schematic block diagram of a system for improving client load balancing based on URL packet granularity according to the present invention.
Fig. 4 is a schematic block diagram of a first processing module of a system for improving client load balancing based on URL packet granularity according to the present invention.
Wherein the content of the first and second substances,
1-a service list filter;
2-a first processing module;
3-a load balancer;
4-a second processing module;
5-an exception interceptor;
6-a list acquisition module;
21-link trace filter;
22-context filter;
23-a flow-restricting filter;
24-a signature authentication filter;
25-skip fusing filter;
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The invention is further described with reference to the following drawings and specific examples, which are not intended to be limiting.
Referring to fig. 2-3, the present invention provides a system for improving client load balancing based on URL packet granularity, including:
the service list filter (1) is used for acquiring servers allowing normal access from a server list to form a service list, and the service list comprises addresses of the servers;
the first processing module (2) is connected with the service list filter (1) and used for grouping the URL request data according to a preset grouping strategy to form a plurality of URL data sets and processing the URL data sets and the service list to determine a server corresponding to each URL data set;
and the load balancer (3) is connected with the first processing module (2) and used for initiating a connection request to the server corresponding to the URL data set by adopting a preset load balancing strategy.
As shown in fig. 2, the present invention adds a processing step of grouping URL request data compared with the prior art.
In the invention, a server list containing a plurality of servers, including server addresses, is obtained from a static service list or a registration center.
The service list filter (1) filters the servers in the service list to screen out the servers which can be normally accessed.
The service list filter (1) eliminates servers with faults through detection, namely, eliminates servers which can not be normally accessed. And screening out a service list for use by a subsequent Ribbon load balancer.
By grouping the URL request data, one server corresponds to a plurality of URL request data.
On the basis of the prior art, a URL grouping processing link is added, and the server is refined to URL to achieve the purposes of reducing workload and reducing cost when different URL balancing strategies are configured.
Referring to fig. 4, further, the first processing module (2) includes:
the link tracking filter (21) is used for setting request starting time and a link tracking buried point, acquiring a URL data set based on the request starting time and the link tracking buried point and filtering the URL data set;
the context filter (22) is respectively connected with the link tracking filter (21) and the service list filter (1) and is used for adding the acquired server address, the preset grouping strategy, the preset fusing configuration information, the preset current limiting configuration information and the preset authentication configuration information into the context of the URL data set;
wherein the content of the first and second substances,
the fusing configuration information comprises a preset fusing rule;
the current limiting configuration information comprises preset current limiting rules;
the authentication configuration information includes a preset authentication rule.
The Context Filter (22), also known as a service route call Filter, has the main task of acquiring data and assembling the data into a Context.
The context filter (22) acquires service Id, route Id, reqUrl (link Id) to add to the context.
The context filter (22) acquires main information such as grouping strategy, fusing configuration, routing configuration, current limiting configuration, authentication configuration, log configuration and the like and adds the main information into the context.
In the routing configuration, traffic may be distributed according to a set routing rule, such as retry, distribution to a designated machine of a designated cluster, setting a timeout, and the like.
The link tracking filter (21) filters out data requests on part of the link nodes according to a certain rule.
The configuration interface of the routing configuration comprises the following configuration items:
service name, configuration type (i.e., routing configuration), service URL, connection timeout time, read timeout time, number of retries per instance, retry several instances, whether all exceptions are retriable, get connection latency, connection pool survival time, address to which traffic is directed, etc.
The log configuration may set access parameters for logging requests.
The configuration interface of the log configuration comprises the following configuration items:
service name, configuration type (i.e., log configuration), service URL, whether to record access log, whether to record parameters, and the like.
Referring to fig. 4, further, the first processing module (2) further includes:
and the current limiting filter (23) is connected with the context filter (22) and is used for filtering the URL request data in the URL data set according to a preset current limiting rule.
In the present invention, the flow restricting filter (23) may not be provided.
The preset current limiting rule comprises the maximum request number per hour and the single IP maximum request number per hour. That is, the current limit control is performed in accordance with the maximum number of requests per hour and the single IP maximum number of requests per hour.
If the current limiting Filter (Req Flow Threshold Filter) is not set, the current limiting Filter is skipped directly, and the Filter setting of the next stage is performed.
Referring to fig. 4, further, the first processing module (2) further includes:
the signature authentication filter (24) is connected with the context filter (22) and is used for filtering the URL request data in the URL data set according to a preset authentication rule;
the preset authentication rules comprise: and judging whether the current URL request data needs access authority verification for filtering.
And if the URL request data does not need access authority verification, allowing the current URL request data to pass through directly.
And if the URL request data needs access authority verification, performing access authority verification on the URL request data.
The access right check includes verifying the signature, verifying the timestamp, and verifying whether the token of the request is valid.
In a configuration interface of the signature authentication filter, the following options are included:
service name, configuration type (i.e., authentication configuration), service URL, allow cross service call, whether to close signature check, whether to require Token check.
Referring to fig. 4, further, the first processing module (2) further includes:
skipping a fusing filter (25), connecting a signature authentication filter (24), and directly outputting URL request data without executing a fusing mechanism of client load balancing.
Skip-fuse Filter (Skip Ribbon Filter) skips the Ribbon's own fusing mechanism, which is a fusing that has problems with its own services.
The rewritten fuse policy supports configuration dimensions, and the configuration interface includes the following configuration items:
the method comprises the steps of service name, configuration type, service URL, template selection, calling server timeout time, error threshold (%), fuse enabling, whether to skip fusing, whether to start grouped fusing, whether to start timeout fusing, whether to stop overtime, whether to stop when canceling, maximum concurrent request, maximum fallback concurrent request, fallback enabling, request cache enabling, request log enabling, forced opening of a circuit breaker, forced closing of the circuit breaker, minimum request number for opening the circuit breaker and fusing opening duration.
The system further comprises a second processing module (4) which is respectively connected with the first processing module (3) and the load balancer (3) and used for rewriting a Ribbon command factory in a Ribbon and grouping URL request data to form a URL data set;
the load balancer (3) is also used for executing fusing operation according to a preset fusing rule.
And (3) starting a url Group in a create method by an Http Client Ribbon Command Factory, and performing fusing operation according to a fusing rule.
Further, the system further comprises an exception interceptor (5) which is respectively connected with the first processing module (2), the load balancer (4) and the second processing module (3) and is used for intercepting whether an exception occurs when the first processing module (2), the load balancer (4) and the second processing module (3) execute a task.
The main task of the exception interceptor (5) is to monitor whether an exception occurs when the first processing module (2), the load balancer (4) and the second processing module (3) execute tasks, and if the exception occurs, prompt information is generated to process the exception.
Further, the system also comprises a list acquisition module (6) connected with the service list filter (1) and used for acquiring the service list from the static service list or the registration center.
In the invention, a public Http Client Ribbon Command create (Ribbon Command Context) of a method for creating a load instruction by rewriting a Factory Http Client Ribbon Command Factory in a Ribbon is used for rewriting the instruction Command Key therein, and the aim of reducing workload and reducing cost when different URL balance strategies are configured is realized by thinning the server to URL.
In the invention, a Filter such as a Gateway Error Filter (exception execution Filter), namely an exception interceptor (5), a Trace Filter, namely a link tracking Filter (21), a Context Filter (22), a Req Flow Threshold Filter, namely a current limiting Filter (23), a Req Signature Verification Filter, namely a Signature authentication Filter (24), a Skip Ribbon Filter, namely a Skip fusing Filter (25) is added to an original Filter chain of a Ribbon and inherits an Http Client Ribbon Command rewrite create ().
In the invention, the management interface adjustment parameters are as follows: the modification and preservation are immediately effective without restarting the service; the implementation mode is as follows: rule repository, refresh cluster cache, and local cache. The request arrival rule takes effect immediately.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.
Claims (10)
1. A system for improving client load balancing based on URL packet granularity, comprising:
the service list filter is used for screening out servers allowing normal access from the service list to form a service list, and the service list comprises addresses of the servers;
the first processing module is connected with the service list filter and used for grouping URL request data according to a preset grouping strategy to form a plurality of URL data sets and processing the URL data sets and the service list to determine a server corresponding to each URL data set;
and the load balancer is connected with the first processing module and used for initiating a connection request to the server corresponding to the URL data set by adopting a preset load balancing strategy.
2. The system for promoting client load balancing based on URL packet granularity according to claim 1, wherein the first processing module comprises:
the link tracking filter is used for setting request starting time and link tracking buried points, and acquiring and filtering the URL data set based on the request starting time and the link tracking buried points;
the context filter is respectively connected with the link tracking filter and the service list filter and is used for adding the screened service list, a preset grouping strategy, fusing configuration information, current limiting configuration information and authentication configuration information into the context of the URL data set;
wherein the content of the first and second substances,
the fusing configuration information comprises a preset fusing rule;
the current limiting configuration information comprises preset current limiting rules;
the authentication configuration information comprises a preset authentication rule.
3. The system for promoting client load balancing based on URL packet granularity according to claim 2, wherein the first processing module further comprises:
and the current limiting filter is connected with the context filter and is used for filtering the URL request data in the URL data set according to the preset current limiting rule.
4. The system for promoting client load balancing based on URL packet granularity according to claim 2, wherein the first processing module further comprises:
and the signature authentication filter is connected with the context filter and is used for filtering the URL request data in the URL data set according to the preset authentication rule.
5. The system for promoting client load balancing based on URL packet granularity according to claim 4, wherein the first processing module further comprises:
and skipping a fusing filter, connecting the signature authentication filter, not executing a fusing mechanism of client load balance, and directly outputting the URL data set.
6. The system according to claim 5, further comprising a second processing module, respectively connected to the first processing module and the load balancer, for rewriting a Ribbon command factory in Ribbon and grouping the URL request data to form the URL data set;
the load balancer is also used for executing fusing operation according to a preset fusing rule.
7. The system according to claim 6, further comprising an exception interceptor, respectively connected to the first processing module, the load balancer and the second processing module, for intercepting whether an exception occurs when the first processing module, the load balancer and the second processing module execute a task.
8. The system for promoting client load balancing based on URL packet granularity as claimed in claim 6 further comprising a list acquisition module, coupled to the service list filter, for acquiring the service list from a static service list or a registry.
9. The system for improving client load balancing based on URL packet granularity as claimed in claim 2, wherein the preset throttling rules include max number of requests per hour, max number of requests per hour per IP.
10. The system for improving client load balancing based on URL packet granularity according to claim 2, wherein the preset fusing rule comprises: whether to interrupt the server connection, the maximum concurrent request, whether to start the cache, whether to start the log, whether to forcibly start the breaker, whether to forcibly close the breaker, the minimum number of requests for opening the breaker, and the fusing start time length are determined when the breaker is cancelled.
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