As a software developer or DBA, one of the essential tasks is to deal with databases, such as MS SQL Server, MySQL, Oracle, PostgreSQL, MongoDB, and so on. As we all know, MySQL is currently the most widely used and the best free open source database, in addition, there are some you do not know or useless but excellent open source database, such as PostgreSQL, MongoDB, HBase, Cassandra, Couchba ...
Overview 2.1.1 Why a Workflow Dispatching System A complete data analysis system is usually composed of a large number of task units: shell scripts, java programs, mapreduce programs, hive scripts, etc. There is a time-dependent contextual dependency between task units In order to organize such a complex execution plan well, a workflow scheduling system is needed to schedule execution; for example, we might have a requirement that a business system produce 20G raw data a day and we process it every day, Processing steps are as follows: ...
Pinterest has maintained an exponential growth that will be doubled every 1.5 months. In two years, they achieved PV from 0 to tens of billions of, from the beginning of the two founder plus an engineer to now more than 40 engineers, from a small MySQL server to 180 web Enigne, 240 API Enigne, 88 MySQL DB (Cc2.8xlarge, each DB will be configured with a slave node), 110 Redis instance and 200 Mmecach ...
Open source software is now a supporting technology throughout the internet age, and you may not be able to leave the web world built up of Open-source software. Now let's take a look at some of the most important open source technologies. Linux Linux, an operating system for the Internet, is a free operating system that was born in 1991 and can be obtained free of charge through a network or other means, and can modify its source code arbitrarily. It can run major UNIX tool software, applications, and network protocols. It supports 32-bit and 64-bit hardware. Linux Inherits Uni ...
Related Settings for IIS: Delete the default site's virtual directory, stop the default Web site, delete the corresponding file directory c:inetpub, configure the public settings for all sites, set the associated number of connections, bandwidth settings, and other settings such as performance settings. Configures application mappings, removes all unnecessary application extensions, and retains only asp,php,cgi,pl,aspx application extensions. For PHP and CGI, it is recommended to use ISAPI parsing and EXE parsing to have an impact on security and performance. User program debug Settings send ...
Open source software is now a supporting technology throughout the internet age, and you may not be able to leave the web world built up of Open-source software. Now let's take a look at some of the most important open source technologies. Linux Linux, an operating system for the Internet, is a free operating system that was born in 1991 and can be obtained free of charge through a network or other means, and can modify its source code arbitrarily. It can run major UNIX tool software, applications, and network protocols. It supports 32-bit and 64-bit hardware. Linux inherits Unix to network ...
"Editor's note" in the famous tweet debate: MicroServices vs. Monolithic, we shared the debate on the microservices of Netflix, Thougtworks and Etsy engineers. After watching the whole debate, perhaps a large majority of people will agree with the service-oriented architecture. In fact, however, MicroServices's implementation is not simple. So how do you build an efficient service-oriented architecture? Here we might as well look to mixrad ...
With the explosion of information, micro-blogging website Twitter was born. It is no exaggeration to describe Twitter's growth with the word "born". Twitter has grown from 0 to 66,000 since May 2006, when the number of Twitter users rose to 1.5 in December 2007. Another year, December 2008, Twitter's number of users reached 5 million. [1] The success of Twitter is a prerequisite for the ability to provide services to tens of millions of users at the same time and to deliver services faster. [2,3,4 ...
Open source software is now a supporting technology throughout the internet age, and you may not be able to leave the web world built up of Open-source software. Now let's take a look at some of the most important open source technologies. Operating system for the Internet Linuxlinux is a free operating system, born in 1991, users can access the Internet or other channels for free, and can modify their source code. It can run major UNIX tool software, applications, and network protocols. It supports 32-bit and 64-bit hardware. Linux inherits Unix's network-focused design thinking ...
Overview How to deal with high concurrency, large traffic? How to ensure data security and database throughput? How do I make data table changes under massive data? Doubanfs and DOUBANDB characteristics and technology implementation? During the QConBeijing2009, the Infoq Chinese station was fortunate enough to interview Hong Qiangning and discuss related topics. Personal Profile Hong Qiangning, graduated from Tsinghua University in 2002, is currently the chief architect of Beijing Watercress Interactive Technology Co., Ltd. Hong Qiangning and his technical team are committed to using technology to improve people's culture and quality of life ...
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