Case study of SSD write amplification caused by mis-alignment

Background The storage organization of SSD determines it is written in fixed units during write operations. So you must execute alignment during SSD usage. Mis-alignment may lead to serious consequences, not only reducing the performance, but also ...
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Troubleshooting guide of ECS server access exceptions

access the ECS server due to exceptions in user's local network.  Possible symptoms and causes: Non-Alibaba Cloud service IP addresses cannot access the ECS server either: Neither the target server nor other non-Alibaba Cloud IP addresses can access the ...
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Features and application scenarios of disks

Disks are classified into ephemeral SSDs and cloud disks, where cloud disks are further divided into SSD cloud disks, efficient of disks separately. Ephemeral SSD SSD Cloud Disk Efficient Cloud Disk General Cloud Disk Ephemeral SSDs ...
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Migrate SQL Server database to Alibaba Cloud using SSMS combined with BCP

This document talks about how to migrate SQL Server databases to Alibaba Cloud using SSMS (SQL Server Management Studio. In this document, we will use the migration of a local SQL Server database to Alibaba Cloud RDS SQL Server 2012 as an example ...
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Be a cloud image pro - Packer

settings, as a key part of the infrastructure, are difficult to automate. However, with the rise of cloud computing, it has become more configuration processes through definition files, rather than physical hardware configuration, that can be processed by the server ...
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[Sharing] Server Load Balancer FAQs

[Sharing] Server Load Balancer FAQs 1) Can a Server Load Balancer IP be Restored After It Is Recycled and Released? After a Server Load Balancer instance is released, its configuration is deleted and cannot be restored. You can reapply and ...
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Best practices of SQL Server - develop database applications for .NET CORE-based Linux version

Title: Best practices of SQL Server - develop database applications for .NET CORE-based Linux version Background Recently some customers connected database applications in .NET CORE-based Linux versions of SQL Server. During development, some issues ...
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Alibaba Cloud Tech Share – Build safe web services using Alibaba Cloud VPC+ECS+SLB

leased lines, VPN or GRE to build hybrid cloud businesses. Server Load Balancer (SLB) The SLB service provided by AlibabaAbstract: Which public cloud products can be used for medium-sized and small enterprises to quickly and conveniently build up ...
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MeiGo on Cloud, a touch away from the best products

, delivered an important speech titled The Path of Imported Product E-businesses Going on Cloud. This sharing session started with the development phases of MeiGo, focusing on MeiGo’s development path based on Alibaba Cloud architecture and gave ...
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DevOps and Alibaba Cloud Docker (V) - performance tests

specific implementation will not be detailed in this article. Performance tests on Alibaba Cloud Docker A variety of performance; <server host=”tested domain name and address" port="80" type="tcp"/> < ...
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DevOps and Alibaba Cloud Docker (II)

In this article, I will introduce the ContainerOps practice and experience of using Alibaba Cloud Docker through a simple(); app.get('/', function (req, res) { res.send('Hello World! ' + text.awesome() ); }); var server = app.listen ...
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DevOps and Alibaba Cloud Docker (I)

Preface This article is the first in a series of articles introducing DevOps and Alibaba Cloud Docker. We will cover various. To explain using a more practical example, during the development of a server-side program, developers need to know how to write ...
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Deployment structure of Hadoop over cloud

unmanned operation, big data are positioned at the core. Cloud computing is also developing fast. Cloud renders many benefits, among which flexibility is a major one. The cost can be evenly shared, attracting more and more enterprises to go onto the cloud ...
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[Tutorial] Record Filing FAQ

Cloud server. The domain name will be directly resolved. But yes if you are switching to a server of another provider. You must your domain name and server IP address on Alibaba Cloud to obtain the information you need (such as the machine room address or access provider name) from our support team. ...
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Challenges of Hadoop over cloud

Introduction Many people are concerned about the performance of cloud-based Hadoop, because cost associates with virtualization, which fuels the biased conclusion – the cloud-based performance must be poorer than the performance on physical ...
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How should we establish e-business architecture from scratch

Alibaba Cloud. The framework is Spring+MyBatis and the server is Tomcat. 2. We adopt OSS for image storage, custom domain names...on the cloud...In this way, we can concentrate on the business.” (Thumb up for you, and for your expertise in being ...
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Advantages of Hadoop over cloud

new hardware, particularly with big storage and cloud-based big data systems. Since cloud-based development is the trend, it must have some advantages. We previously talked about challenges of cloud-based Hadoop. Coincident with the challenges, there are ...
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DevOps and Alibaba Cloud Docker (III)

/attachment/1612/thread/44_621_977b70728648860.png Implement blue-green release using Alibaba Cloud Docker Next, we will ...
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How to optimize PHP7 compiling with GCC PGO

is not widely applied to most of the software. If we use GCC PGO to compile PHP7.0 + opcache on a server of Alibaba Cloud with improved by around 2%. Of course, the higher the server configuration and the better the parameter settings, the more obvious ...
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A closer look at Hadoop: Hadoop architecture, features of various components and significant for big

data set query will be decomposed and processed in multiple running nodes. When the data size is large, one server won't be distributed computing, each server must be able to access the data, which is the role played by HDFS (Hadoop Distributed File System ...
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