Microservice monitoring based on five principlesGuideOur requirements for microservices can be summarized into one word: speed. This demand for faster provision of fully functional and reliable software completely changes the software development model. There is no doubt that this change has an impact on software management, including the way systems are monitored. In this article, we will focus on the major changes that need to be made to effectively
LindDotNetCore ~ Ocelot implements the microservice gateway,
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The Gateway has its own definition in the hardware, and the software architecture also has its own explanation. It is the entrance to all requests, and requests are routed to the gateway for processing and processing, return to the client. In this process, the core of the gateway is the core of Ocelot. We can implement user authorization, verification, caching, authenticati
the POST into objects, while Response.asjson () supports serializing the object into a JSON string without any force.In addition to the above-mentioned simplicity, Nancy also supports many web site standard functions such as: identity verification, beforerequest/onerror events, customized bug pages ... And even with Razor to write a View, it's not difficult to make a Web site that does not iis+asp.net MVC. But according to my strategy, the complex we
Based on the. net core microservice framework and the. netcore framework1Preface
Surging has suffered a lot. I also raised a lot of questions regarding the favor of the net students. The most important question is when to integrate API gateway. Here, I will answer the question that we have recently started research and development, there should be an API gateway of the first version within one or two months. Other functions such as Token Authenticatio
First, let's figure out a few things:1. What is the Monitored object?2. What are the monitoring metrics?3. What are the dimensions for monitoring?Monitored object1. User-side monitoring: monitoring of service functions provided to users2. interface monitoring: RPC interface monitoring on which business functions depend3. Resource Monitoring: monitoring of resources on which interfaces depend4. Basic monitoring: monitoring of the health status of the server itselfMonitoring metrics:1. Request vol
Talking about SpringCloud's simple microservice architecture and springcloud
Spring Cloud is an ordered collection of a series of frameworks. With the convenience of Spring Boot, it cleverly simplifies the development of distributed system infrastructure, such as service discovery registration, configuration center, message bus, Server Load balancer, circuit breaker, and data monitoring, you can use the Spring Boot development style for one-click Star
Based on the. net core microservice framework and the. netcore framework
1Preface
I was surprised to hear that surging has received such strong attention. For example, some colleagues shared surging at the company's sharing conference, and other RPC frameworks and microservices on the blog, these actions make me feel a lot of pressure. After all, as an individual open-source project, it cannot be compared with a mature open-source community project, o
Run the MongoDB microservice on Docker and KubernetesGuideDocker is an open-source application container engine that allows developers to package their applications and dependencies to a portable container and then publish them to any popular Linux machine, you can also achieve virtualization. Containers fully use the sandbox mechanism and do not have any interfaces between them.
This article describes how to use Docker and Kubernetes to build a set
SpringCloud microservice architecture-based Hystrix circuit breaker, springcloudhystrix
I. What is Hystrix?
In a distributed environment, some of the Service dependencies inevitably fail. Hystrix is a database that helps you control the interaction between distributed services by adding latency tolerance and fault tolerance logic. Hystrix isolates access points between services, stops cascade failures, and provides rollback options to improve the over
Spring cloud builds the microservice architecture GateWay (API GateWay), springcloud
Preface
As mentioned in our previous blog, when service A needs to call service B, it only needs to obtain the registered instance of Service B from Eureka and then use Feign to call service B, ribbon is used to achieve load balancing. However, when we expose multiple services to the client at the same time, how does the client call our exposed services? If we want to
(1) Preparations for using the series of surging for the surging microservice framework rabbitmq installation and surgingrabbitmq
(1) download erlang:
Http://www.erlang.org/download/otp_win64_17.3.exe and Installation
(2) download RabbitMQ:
Http://www.rabbitmq.com/and Installation
(3)After downloading and installing the service, find the Service Startup option and enable the rabbitmq service.
So far, the rabbitqm service has been successfully started
Dora-RPC-Dragon Boat Festival upgrade PHP microservice development kit Dora-RPC-Dragon Boat Festival upgrade. Currently, the master has added a large number of features in beta.
Several companies have been using the project online for more than a year. of course, they have made some changes based on this prototype. Recently, the upgrade has improved a lot. for example, if unique function is removed, the performance will double. it is found that some
1. Timeout: for example, the order service calls the product-service interface of the commodity service for order-service:
This interface requires a certain amount of response time. This exception occurs when you call it.
Solution: In the order-service configuration file application. yml, set the timeout time:
Timeout Configuration:The default optons readtimeout value is 60, but because hystrix times out in 1 second by default, response timeout in 1 second is
Server: Port: 8781 # specify the Re
Is the Microsoft. AspNet. Identity. EntityFramework introduced for Identity authentication still causing multiple contexts. Is it difficult to rename the generated DB ?, Aspnet. identity
The most recent project needs to integrate authentication in the API, So Microsoft is selected. aspNet. identity. core, and Microsoft
Delegate Authentication to an external identity provider. This pattern can simplify development, minimize the requirement for user administration, and improve the user experience O f the application. Delegate authentication to the external identity provider. This model simplifies development, minimizes user management requirements, and improves the user experience of the application.Context and problem scen
First, backgroundThe ID field in table A in the SQL Server database is defined as: [ID] [int] IDENTITY, as the data grows, the ID value is close to 2147483647 (the value range for int is:-2 147 483 648 to 2 147 483 647). , although the old data has been archived, but the table needs to retain the most recent 100 million data, how to solve the ID value of the rapid explosion problem?There are two ways to solve the problem: one is to modify the table st
ASP. NET has no magic-encryption and decryption of ASP. NET Identity, and identity encryption and decryption
The previous article introduced how to use Identity in ASP. net mvc to Implement User Registration, logon, and authentication. These functions are related to user information security, and the importance of data security is always the first. For the regist
Scope_identity
Returns the last one inserted to the identity column in the same scope.Identity value. A scope is a module-stored procedure, trigger, function, or batch processing. Therefore, if the two statements are in the same stored procedure, function, or batch processing, they are in the same scope.
Syntax
Scope_identity ()
Return type
SQL _variant
Note
Scope_identity, ident_currentSimilar to @ identity
SQL application series in SQL Server 2008-Directory Index
Yesterday, someone discussed in the group three functions that SQL Server returned the last IDENTITY value: IDENT_CURRENT, @ IDENTITY, and SCOPE_IDENTITY, and made some markup and summary.
In fact, MSDN has an official explanation for this: all three functions return the final generated id value. However, the "last" scope defined in each of the abov
Yesterday, someone discussed in the group three functions that SQL server returned the last identity value: ident_current, @ identity, and scope_identity, and made some markup and summary.
In fact, msdn has an official explanation for this: all three functions return the final generated id value. However, the "last" scope defined in each of the above functions is different from that defined in sessions.
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