Tool pprof command on our own Windows computer, just replace localhost in the URL with the address of the Linux server.Using Qcachegrind to view performance monitoring resultsCompared to top, web, SVG and other commands, the most convenient tool to see performance test results is qcachegrind. First you need to go to https://sourceforge.net/projects/qcachegrindwin/files/to download the Windows version of Qcachegrind.On the command line of Go tool ppro
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Golang unit testing, performance testing, performance monitoring technology
The go language provides powerful testing tools, with an example of a brief introduction
Go Test Unit Testing
Go test-bench=. Performance testing
Go tool pprof Performance monitoring
Go Test
Ntime.asmcgocall
It is worth mentioning that if we run a Linux server in our program, we can also run the Go Tool pprof command on our own Windows computer, just replace localhost in the URL with the address of the Linux server.
Using Qcachegrind to view performance monitoring results
Compared to top, web, SVG and other commands, the most convenient tool to see performance test results is qcachegrind. First you need to go to https://sourceforge.net/p
This is a creation in
Article, where the information may have evolved or changed.
Golang unit testing, performance testing, performance monitoring technology
The go language provides powerful testing tools, with an example of a brief introduction
Go Test Unit Testing
Go test-bench=. Performance testing
Go tool pprof Performance monitoring
Go Test
Golang Unit Testing, performance testing, performance monitoring technology
The go language provides powerful testing tools, and the following example briefly describes the Go Test unit testing Go test-bench=. Performance test Go tool pprof Performance Monitor go Test unit Test
For example, the package helper under the Util.go unit test, util.go mainly contains two functions, one is to SHA1 the string encr
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Golang because of its simple syntax, quick and easy deployment is being favored by more and more developers, a Golang program developed, it is bound to care about its operation, today here to introduce you if you use the Elastic Stack to analyze Golang Memory usage of the program, c
nameInput: National Provincial City Company Department mailbox host name
3 Submit a certificate request file to the CA serverCA Server Configuration: 192.168.4.551 Audit Certificate Request file issue digital certificate file: Command store directory file name2 issued a digital certificate file to the Web server3 Configure the Web site service to load the private key file and the digital certificate file at run time and restart the Web site service on the site server.4 Verify the configur
PrefaceThis is my blog park the first article, write not in place, I hope you guys understand.I have been engaged. NET development work, recently in learning Golang, so think about the process of learning before not how to properly record the learning process. Deeply sorry!Now will golang the learning bit record share, nonsense to this, enter the text below.Note: The development platform for this article an
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Background
Recently in the development of a monitoring data acquisition module, which needs to use the Golang os/exec package to execute the script, considering that the user-written script may cause the program to block, you need to set a time-out for the execution of the program, it was thought that this is a very simple pr
In the grammar (i), we learn the basic elements of the basic data types, variables, constants, and so on in go, and in this section we will learn how to organize these elements and eventually write code that can be executed.In this section include:The Process Control statement in go;The use of functions in go;Go special error handling method;Process Control statements in the GolangIn the specific programming, it is necessary to use some special statements to implement certain functions, such as
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Environment
System: Linux (Don't ask why, because Windows Golang does not support dynamic libraries)Golang Version: 1.5 support dynamic library, more than 1.8 support plugin
Plug-in code
The plugin code is no different from the normal Golang module code, mainly the package must be m
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Win7 (64-bit) under Eclipse Configuration Golang Development Debugging environment
1. Download the Golang Toolkit (which you can think of as Java-like JDK), I download the 64-bit installation package here:
2. Install the Golang Toolkit (one "next"), install completed at the comma
As a transport personnel, the use of Python language is sufficient, in theory, do not need to understand Golang. However, a recent discovery of a trendy monitoring system is based on Golang, such as the Millet Company's Open-falcon (GitHub project page), the stack Exchange company Bosun (GitHub project page).
First, go three kinds of installation methods
Go has
Golang Learning Note 19 using Golang to implement Ethereum token transfer
In the Ethereum blockchain, we call tokens tokens, which are digital assets that everyone in the Ethereum blockchain can freely distribute. And it must follow the ERC20 standard, as for the ERC20 standard, you can refer to this article Https://theethereum.wiki/w/index.php/ERC20_Token_Standard
It's actually a smart contract co
* * This article is the first Golang language learning tutorial **# What is golang?************* personally think the novice to the true characteristics of the lack of understanding, characteristics and so on in the real learning can really understand. So the following conceptual things need only a general understanding. *go language is a brand-new programming language launched by Google, which makes it eas
These monitors include host survival, disk space monitoring, load monitoring, process Count monitoring, and ip connection monitoring. (1) define the host configuration file hosts. cfgdefinehost {host_namecacti.comaliasnagiosserveraddress192.168.10.195contact_groupsadmin on the moni
Golang Learning Notes Golang type conversion finishing go language string, int, int64, float64, complex convert each other
#string到intInt,err:=strconv. Atoi (String)#string到int64Int64, err: = StrConv. parseint (String, 10, 64)#int到stringString:=strconv. Itoa (int)#int64到stringString:=strconv. Formatint (int64,10)
#int到int64, turn int into a string and then turn to int64, return with the Err parameter need t
for range, the values of the matcher and feed variables are locked at the same time as the arguments passed into the anonymous function closure. When you use closures to access external variables, ask yourself how this variable will change, and how this change affects the operation of the closure.
Resources:
Http://devs.cloudimmunity.com/gotchas-and-common-mistakes-in-go-golang/index.html#closure_for_it_vars
http://studygolang.com/articles
We know that the local variable initialization method in Golang (using ": =" to create and assign values) makes it convenient to use variables. However, this is also one of the places where mistakes are easy to make. In particular, this initializer also supports the initialization of multiple variables at the same time, and more particularly, it also supports the original variable assignment and new variable creation and assignment at the same time! T
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