泽民博客 ☰ Menu

time/rate

Posted by 夏泽民 Nov 16, 2019

限流器是后台服务中的非常重要的组件，可以用来限制请求速率，保护服务，以免服务过载。 限流器的实现方法有很多种，例如滑动窗口法、Token Bucket、Leaky Bucket等。

阅读全文

pprof

Posted by 夏泽民 Nov 16, 2019

https://github.com/google/pprof/pull/188 Last week me and my cool coworker Josh were debugging some memory problems in a Go program using pprof.

阅读全文

netpoll

Posted by 夏泽民 Nov 16, 2019

Go 基于 I/O multiplexing 和 goroutine 构建了一个简洁而高性能的原生网络模型(基于 Go 的 I/O 多路复用 netpoll)，提供了 goroutine-per-connection 这样简单的网络编程模式。在这种模式下，开发者使用的是同步的模式去编写异步的逻辑，极大地降低了开发者编写网络应用时的心智负担，且借助于 Go runtime scheduler 对 goroutines 的高效调度，这个原生网络模型不论从适用性还是性能上都足以满足绝大部分的应用场景。

阅读全文

ldflags

Posted by 夏泽民 Nov 16, 2019

在编译期通过ldflags 改变包级别可见变量的值 Introduction When deploying applications into a production environment, building binaries with version information and other metadata will improve your monitoring, logging, and debugging processes by adding identifying information to help track your builds over time. This version information can often include highly dynamic data, such as build time, the machine or user building the binary, the Version Control System (VCS) commit ID it was built against, and more. Because these values are constantly changing, coding this data directly into the source code and modifying it before every new build is tedious and prone to error: Source files can move around and variables/constants may switch files throughout development, breaking the build process.

阅读全文

gc

Posted by 夏泽民 Nov 16, 2019

https://www.ardanlabs.com/blog/2018/12/garbage-collection-in-go-part1-semantics.html https://www.ardanlabs.com/blog/2019/05/garbage-collection-in-go-part2-gctraces.html https://www.ardanlabs.com/blog/2019/07/garbage-collection-in-go-part3-gcpacing.html https://github.com/ardanlabs/gotraining/tree/master/topics/go/profiling/trace

阅读全文

Search

Blog Categories

jekyll (35)
web (334)
technology (2)
php (201)
linux (415)
spark (51)
deep_learning (2)
storage (290)
golang (1081)
cryptology (15)
lang (74)
docker (100)
zookeeper (11)
elasticsearch (86)
java (7)
algorithm (134)
hadoop (2)
slug (1)
architect (46)
k8s (107)
node (82)
python (18)
mysql (42)
rust (4)
elasticSearch (1)
arch (1)
Javascript (1)
kafka (2)
nginx (7)

Popular posts

Anything in here will be replaced on browsers that support the canvas element

Recent posts

Tags

This blog is maintained by 夏泽民

Get in touch with me at 465474307@qq.com

Subscribe to our mailing list

* indicates required