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The details and analysis of capturing gRPC packets
Introduction If you're only using gRPC at the application layer, I believe studying the examples on the gRPC official website is sufficient. However, when planning to extensively use gRPC within a team, you will face many challenges, such as authentication schemes between services, routing solutions for multi-region services, and compatibility solutions with existing RESTful services. I recently realized that applying a technology stack requires mastering a wealth of information about that stack...
Kubernetes: Docker out
Recently,The hottest news in the Kubernetes circle that docker will be deprecated has been confirmed by the release of 1.20. Docker support in the Kubelet is now deprecated and will be removed in a future release. The Kubelet uses a module called “dockershim” which implements CRI support for Docker and it has seen maintenance issues in the Kubernetes community. We encourage you to evaluate moving to a container runtime that is a full-fledged implementation of CRI (v1alpha1 or v...
DOCKERSHIM,DOCKER,KUBERNETES 2020-12-19 21:10:21
A tutorial on Github Actions
Github Actions is a CI/CD service created by Github. It aims to make it easy to automate all software workflows, now with world-class CI/CD. Build, test, and deploy code right from GitHub. It was launched in October 2018 and was officially available to all users in November 2019. This post will give an introduction of Github Actions and explain how it works. What is Github Actions Normally Continuous Integration includes some steps, fetching code, running test, sshing into remote server in...
GITHUB,GITHUB ACTIONS,CI,CD 2019-12-23 05:33:39
MySQL Index Merge Optimization Practices
In production environment databases, it is often seen that some SQL where conditions include: equal condition on a normal index + primary key range query + order by limit Although using a normal index would be more efficient, the system chooses to use index merge instead in some cases. This article explores such index merge situations. Index Merge Official Introduction The Index Merge access method retrieves rows with multiple range scans and merges their results into one. Generall...
INDEX MERGE,MYSQL,PRIMARY INDEX,SECONDARY INDEX 2024-09-10 04:52:26
Optimization Tricks used by the Lockless Memory Allocator
With the releasing of the Lockless Memory Allocator under the GPL version 3.0 license, we can now discuss more of the optimization tricks used inside it. Many of these are things you wouldn't want to use in normal code. However, when speed is the ultimate goal, sometimes we need to break a few rules and use code that is a little sneaky.The SlabA slab is a well-known technique for allocating fixed size objects. For a given object size, a chunk of memory is divided up into smaller regions of that ...
Optimization,Memory allocation 2011-11-16 08:02:16
How Is The POS Machine Conquering The Market Economy?
In today's market, cash is losing its importance. Online transactions have taken over the market with credit cards, and debit cards used a lot by the customers. You are way behind your times if you still use just cash for your business and do not have a credit card machine. For all those businessmen, who do not have a credit card machine, here's a list of benefits that a credit card machine offers you. Knowing these benefits will help you in getting into the market by accepting cashless ...
POINT ON SALE MACHINE,ONLINE PAYMENT 2018-11-23 03:25:14
How to Set Spring profile With Example
Technology: Spring Profiles provides a way to isolates the parts of application configuration, it will make available only in certain environments. It is mainly useful it wants to load spring beans based on environment configuration, for example if the operating system is windows we can load some specific spring beans, if it is other than load different spring beans. One more scenario where spring profiles widely used, like for QA environment we will use some database which is hosted local...
JAVA,PROFILE,SPRING,DEVELOPMENT,APPLICATIONS 2018-07-20 01:17:23
Leveraging Dedicated Server Hosting for Data Analytics Firms
In the age of data-driven decision making, data analytics firms require powerful and reliable computing resources to extract insights from massive data sets. A dedicated server is a type of server that is solely allocated to a single user or organization. In this article, we will explore the benefits of using a dedicated server for data analytics firms. Enhanced Performance A dedicated server offers enhanced performance that cannot be matched by other types of servers. Here are some of the benef...
HOSTING SERVICE 2023-05-12 04:18:56
Method chaining and lazy evaluation in Ruby
Method chaining has been all the rage lately and every database wrapper or aything else that’s uses queries seems to be doing it. But, how does it work? To figure that out, we’ll write a library that can chain method calls to build up a MongoDB query in this article. Let’s get started! Oh, and don’t worry if you haven’t used MongoDB before, I’m just using it as an example to query on. If you’re using this guide to build a querying library...
Ruby,Method chaining,Lazy evaluation,Implementation 2011-11-29 08:51:17
Building The Linux Kernel In 60 Seconds
In less than one minute, it's now possible to build the Linux kernel from source on a desktop. Besides finishing up the Phoronix Test Suite 3.6-Arendal release this weekend, on Saturday I began running some new Intel CPU benchmarks. In building the Linux 3.1 kernel for x86_64 in a default configuration (make defconfig), I've now managed to trim down the compile time to less than sixty seconds on a single-socket desktop system. Similar speeds can be achieved out of multi-socket servers and othe...
Linux kernal,Build,Intel processor,sgort time 2011-12-12 07:45:32
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