Executing A Python Script

In mailbox rapid expansion process, one of the performance problems is the MongoDB database level write lock, the time spent in the lock waiting process, directly reflects the user's use of the service process delay. To address this long-standing problem, we decided to migrate a common set of MongoDB (storing mail-related data) to a separate cluster. According to our inference, this will reduce the lock latency by 50%, and we can add more fragments, and we expect to be able to optimize and manage different types of data independently. We start from Mon ...

How to install Nutch and Hadoop to search for Web pages and mailing lists, there seem to be few articles on how to install Nutch using Hadoop (formerly DNFs) Distributed File Systems (HDFS) and MapReduce. The purpose of this tutorial is to explain how to run Nutch on a multi-node Hadoop file system, including the ability to index (crawl) and search for multiple machines, step-by-step. This document does not involve Nutch or Hadoop architecture. It just tells how to get the system ...

Translation: Esri Lucas The first paper on the Spark framework published by Matei, from the University of California, AMP Lab, is limited to my English proficiency, so there must be a lot of mistakes in translation, please find the wrong direct contact with me, thanks. (in parentheses, the italic part is my own interpretation) Summary: MapReduce and its various variants, conducted on a commercial cluster on a large scale ...

The Zope object can help us with different tasks, and different objects can handle different parts of the application. Some objects can hold content (text, spreadsheets, images, and so on); some objects can handle logical operations, such as receiving input from Web Forms or executing scripts, and some objects can control the display of content, such as displaying Web pages, messages, and so on. In general, the underlying Zope objects have three categories: Content objects: Content objects can hold various text binary data, and content objects can access external data, such as system files and Http://www.aliyun ...

Recently, Fit2cloud released Fit2cloud for Qingyun Qingcloud, Qingyun is Fit2cloud following Amazon AWS and Aliyun after the third supported public cloud. 　　Fit2cloud's online service offers free packages for users to manage virtual machines within 10 free of charge. Why Fit2cloud Choose Qingyun qingcloud? What can fit2cloud do to help Qingyun users? For these concerns of the industry, Fit2cloud co-founder and CE ...

ubuntu16.04server install dockerCE. Docker is an application that makes it simple and easy to run applications in containers, just like virtual machines, which are only more portable, more resource-friendly, and more dependent on the host operating system. To learn more about the different components of a Docker container, see Docker Ecosystem: An Introduction to Common Components. There are two ways to install Docker on Ubuntu 16.04. One way is to install it on an existing operating system installation. Another way is to use one ...