Tag：performance
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Time：2020-7-11
I collated advanced Java materials free of charge, covering Java, redis, mongodb, mysql, zookeeper, spring cloud, Dubbo high concurrency distributed course, a total of 30g, you need to get it yourself.Portal:https://mp.weixin.qq.com/s/osB-BOl6W-ZLTSttTkqMPQ preface Concurrent programming is one of the most important features of Java language. It provides many basic concurrent functions on Java platform to assist […]
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Time：2020-7-11
load balancing Load balancing is the basic component of cloud computing and the entrance of network traffic. Its importance is self-evident. What is load balancing? The traffic input by users is evenly distributed to multiple servers in the back end by load balancer according to a certain load balancing algorithm. The server receiving the request […]
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Time：2020-7-9
preface In some cases where the readonly keyword is used, the C ා compiler creates a defensive copy of the structure. Although this problem is well known and documented, it is still worth re examining because it is related to several characteristics of C ා 7.2. The use of the in and ref readonly keywords […]
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Time：2020-7-7
catalog What is RESNET trying to solve Design of residual block RESNET network structure Error surface comparison Analysis and improvement of residual block Summary reference resources Blog: blog Garden CSDN blog What is RESNET trying to solve Resnets aims to solve the degradation problem of deep neural network. What is “degradation”? We know that the […]
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Time：2020-7-6
This paper points out that the difference between one stage anchor based and center based anchor free detection algorithms mainly comes from the selection of positive and negative samples. Based on this, an adaptive training sample selection (ATSs) method is proposed, which can automatically select the appropriate anchor according to the statistical characteristics of GT […]
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Time：2020-7-6
Bean-Mapping In daily development, it is often necessary to assign the properties of one object to another. There are many common tools, but they are not concise or powerful enough. Spring BeanUtils, which we often use, has better performance, but it lacks features. Bean mapping provides many rich features for daily development. If you are […]
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Time：2020-7-4
Introduction | cache + storage system architecture is a common system architecture. The cache layer is responsible for accelerating access, and the storage layer is responsible for storing data. Such an architecture needs business layer or middleware to achieve cache and storage of double write, hot and cold data exchange, but also faces cache failure, […]
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Time：2020-7-4
AB (APACHE bench) is a hypertext transfer protocol (HTTP) performance testing tool that comes with Apache. Its design intention is to describe the execution performance of the currently installed Apache, mainly to show how many requests Apache can process per second. useab -helpView help interface AB testing simple HTTP requests ab -n30000 -c1000 “http://10.1.1.21:8080/” AB […]
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Time：2020-7-3
MySQL EXPLAINCommand is an indispensable part of query performance optimization. This paper mainly explains the use of explain command and related parameters. idSerial numberselect_type simple: simple select query without Union and subquery; primary: the outermost select query; union: indicates that the query is the second or subsequent query of the union; dependentUnion: the second or […]
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Time：2020-7-3
Now the mainstream UI solutions are ugui and ngui. In recent years, ugui is the main solution. In this issue, combined with the relevant contents of UWA school and blog, the unity engine UI module knowledge tree is sorted out, which mainly introduces the optimization, framework improvement and solutions of ugui, and also involves the […]
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Time：2020-7-3
This article mainly introduces the Java CPU performance analysis tool code example, the article through the example code introduction is very detailed, has the certain reference study value to everybody’s study or the work, needs the friend may refer to background Students who have dealt with production problems can basically encounter the sudden slow down […]
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Time：2020-7-2
Coordinates: Shenzhen Objective: to improve the technology The topic may be biased towards technical management and architect Handwritten source code (written on paper, scan generated code directly run) This level, I think is very necessary, human eyes can judge whether JS code is running wrong, this judgment to exclude bug ability is very important. Handwritten […]
