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discover problems There are too many connections in the test environment. It is found that all the links are in the second rac node. No one calls or cares about the test environment Manually test the specified instance: C:\Users\caoyf>sqlplus system/xxxx@192.168.xxx.xxx:1521/server_taf SQL*Plus: Release 11.2.0.4.0 Producti ...

problem After setting up the monitoring cluster of ccadvisor influxdb grafana, it is found that there is no tcp related data Source version: https://github.com/google/cad...git commit hash:9db8c7dee20a0c41627b208977ab192a0411bf93 Build a cfisor influxdb grafana reference https://botleg.com/stories/mo... Positioning process Is there no tcp state ...

1. Introduction to concepts 1. REST concepts REST: (Representational State Transfer) Representational State Transfer, which defines a common access format for resources, is a style of design and development for network applications. Conceptually, you need to understand the following names: Resource s That is, anything you get on the server, a ...

Catalog I. relevant documents II. Back end logic sorting III. sorting out the verification ideas IV. initialization of related functions 4-1 validation initialization preprocessing 4-2 validation initialization result return V. quadratic check correlation function 5-1 front end verification calls function successfully ...

brief introduction Through the previous analysis, we can know that the entry of taskManager is org.apache.flick.runtime.taskexecutor.taskmanagerrunner class, and the comments on the class also indicate this. This class is the executable entry point for the task manager in yarn or standalone mode.It constructs the related comp ...

1. Preface Cloud synchronization function is preparation for later expansion. His purpose is to synchronize records from local databases, such as real-time collected data and stored running records, to the cloud database. By default, the mysql database of Ali Cloud is used. The speed of Ali Cloud is still very fast. I have bought low-match and ...

1. Brief description Developed software products tend to have a trial period of time when they are delivered for use, during which we do not want our code to be duplicated by our customers. At this time, the license comes in handy. The functions of the license include setting expiration date, binding ip, binding mac, etc.The Licensor directly g ...

golang_real.jpg Share beforeGorang network programming (5) middleware By learning to write two interceptors by ourselves, output log and simple permission verification. This is what we usually do in middleware. In fact, many times we don't need to do too much by ourselves. Do we still need to grow, bake and grind if we want t ...

Previous Introduces the code logic and flow chart of nsqd. This paper parses another module nsqlookupd in nsq, which is responsible for maintaining the topology information of nsqd nodes, and achieves the service registration and discovery of de-centralization. 1. nsqlookupd Execution Entry Execution entry files can be found in nsq/apps/nsqlook ...

By Jeskson Source: front end tavern of dada The framework of uni app, configuration: page.json, manifest.json, package.json, vue.config.js. Script, application, main.js. Log printing, timer, life cycle, page, page communication. pages.json file is used for global configuration of uni app. It is used to write path, window style, tabbar at the ...