Article Tags
What is the role of hdfs in hadoop?

What is the role of hdfs in hadoop?

The role of HDFS in Hadoop is to provide storage for massive data and provide high-throughput data access. HDFS has the characteristics of high fault tolerance and is designed to be deployed on low-cost hardware; and it provides high throughput to Access application data, suitable for applications with very large data sets.

Sep 03, 2020 am 11:48 AM
hdfs hadoop
The core of hadoop is the distributed file system hdfs and what?

The core of hadoop is the distributed file system hdfs and what?

The core of hadoop is the distributed file system hdfs and MapReduce. HDFS provides storage for massive data, while MapReduce provides calculation for massive data.

Aug 31, 2020 pm 02:17 PM
Hadoop
How to start apache under ordinary user

How to start apache under ordinary user

apache: This article shares with you how to start apache under ordinary users. It has certain reference value and I hope it can help everyone.

Aug 28, 2020 pm 04:10 PM
apache 普通用户
How does apache hide index.php

How does apache hide index.php

How to hide index.php in apache: first check whether Apache supports "mod_rewrite"; then enable "mod_rewrite"; then find "AllowOverride None" and change None to All; finally modify the htaccess file.

Jul 21, 2020 am 11:24 AM
apache index.php
How to solve tomcat crash problem

How to solve tomcat crash problem

The method to solve the problem of tomcat crash is: first, open the start.bat and shutdown.bat files; then, add the configuration [JAVA_HOME] and [TOMCAT_HOME] in the file; finally, restart tomcat.

Jul 09, 2020 pm 04:13 PM
tomcat 闪退
If the index file is lost, how to invalidate the directory listing?

If the index file is lost, how to invalidate the directory listing?

If the main index file in the site's root directory fails, Apache will list all files with similar content on the browser to replace the site's home page. In order to turn off apache directory listing, you can set it globally in the main configuration file.

Jul 08, 2020 pm 05:25 PM
index 目录列表
What to do if apache2.4 crashes after starting?

What to do if apache2.4 crashes after starting?

Methods to solve the problem of apache2.4 crashing after starting: 1. Check whether the firewall is turned off; 2. Check whether port 80 is occupied; 3. Check whether the SRVROOT configuration of apache is correct.

Jul 03, 2020 pm 05:36 PM
apache2.4
How to find custom error logs

How to find custom error logs

Apache from beginner to proficient: This article introduces you to the method of finding customized error logs. It has certain reference value and I hope it can help everyone. To find custom error logs, check the /etc/apache2/apache2.conf file.

Jul 02, 2020 pm 05:59 PM
自定义 错误日志
How to start apache service on Mac OS system

How to start apache service on Mac OS system

The method to start the apache service on the Mac OS system is: Mac OS X 10.12.6 system has Apache installed by default. We only need to execute the command to start the service. The command to start the apache service: [sudo apachectl start].

Jul 01, 2020 pm 05:23 PM
Mac OS Apache
What are the characteristics of apache server?

What are the characteristics of apache server?

The characteristics of apache server: 1. Simple installation; 2. Simple configuration; 3. Easy expansion or tailoring of server functions. The apache server provides a good graphical user interface during installation, making it very convenient for users to install.

Jun 30, 2020 pm 05:35 PM
apache 服务器 特点
apache configures virtual host based on ip

apache configures virtual host based on ip

Apache from beginner to proficient: This article shares with you the method of configuring virtual host of Apache based on IP. It has certain reference value and I hope it can help everyone. To configure a virtual host based on IP, we need to edit the hosts file, add the domain name, and keep the domain name corresponding to the IP.

Jun 29, 2020 pm 06:01 PM
apache ip 虚拟主机
Introduction to the working mode of apache

Introduction to the working mode of apache

The working modes of apache are: 1. prefork; 2. worker; 3. Event MPM. Among them, Event MPM is the latest working mode of Apache, which enhances request processing in high-concurrency scenarios.

Jun 28, 2020 pm 05:40 PM
apache 工作模式
How to install apache under centos

How to install apache under centos

The method to install apache under centos is: 1. Execute the [yum install httpd] command to install httpd; 2. Open the configuration file and change [AllowOverride None] to [AllowOverride All]; 3. Restart the server.

Jun 24, 2020 pm 05:45 PM
centos apache
How to enable url rewriting in apache

How to enable url rewriting in apache

From beginner to proficient in apache: URL rewriting in apache is implemented through mod_rewrite.so. So we need to check whether apache has been compiled into this module, and this module has been called in apache's configuration file httpd.conf.

Jun 22, 2020 pm 05:00 PM
apache url 重写

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