Java Consumer

Kafka Basic Use Method (Java). Procedure: Create topic $ cd/opt/cloudera/parcels/kafka-2.1.1-1.2.1.1.p0.18 $ bin/kafka-topics--create--zookeeper localhost : 2181--replication-factor 1--partitions 1--topic test Analysis:

Kafka configures SASL authentication and permission fulfillment documentation. First, the release notes This example uses: zookeeper-3.4.10, kafka_2.11-0.11.0.0. zookeeper version no requirements, kafka must use version 0.8 or later. Second, zookeeper configuration SASLzookeeper cluster or single node configuration the same. Specific steps are as follows: 1, zoo.cfg file configuration add the following configuration: authProvider.1 = org.apa ...

"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 ...

Storing them is a good choice when you need to work with a lot of data. An incredible discovery or future prediction will not come from unused data. Big data is a complex monster. In Java? The programming language writes the complex MapReduce program to be time-consuming, the good resources and the specialized knowledge, this is the most enterprise does not have. 　　This is why building a database with tools such as Hive on Hadoop can be a powerful solution. If a company does not have the resources to build a complex ...

Storing them is a good choice when you need to work with a lot of data. An incredible discovery or future prediction will not come from unused data. Big data is a complex monster. Writing complex MapReduce programs in the Java programming language takes a lot of time, good resources and expertise, which is what most businesses don't have. 　　This is why building a database with tools such as Hive on Hadoop can be a powerful solution. Peter J Jamack is a ...

Over the past five years, Microsoft has worked with other companies to develop advanced Message Queuing Protocol (AMQP) standards. The more than 20 companies include technology suppliers, including red hats, http://www.aliyun.com/zixun/aggregation/17954.html, and businesses like "> Morgan Chase" and "Credit Suisse". The goal is to establish an open, line-level messaging protocol standard that makes interoperability between different vendors simpler. Back in October 2012, Oasis Standard Group ...

This reporter Yang Xian Zhuo Camp tablet computer has opened a gorgeous "Upgrade" campaign. Following Google's announcement last month that it would upgrade its Android system to 3.2, first-line tablet brands such as Huawei, Sharp, Sony and Asus have been showing signs of Android 3.2, or new gimmicks, or bright spots for their products.　　There have also been reports that Hewlett-Packard recently released its latest version of the webOS 3.0.2 operating system update for its HP Touchpad Tablet PC. As we all know, every operating system ...

The outlet of the specialty of e-commerce where a senior practitioner to the E-commerce Professional school, teachers, students of a letter this letter Hui Jian wrote almost one weeks, modified a lot of times, because Hui Jian saw a few students majoring in E-commerce to become a porter, is really not see the kind of helpless eyes. The parents worked hard to save money, read four years of university, came out but can only go to chores. 　　Why? 　　Here is the reflection of Hui Jian. One, the social demand many and the embarrassment of e-commerce graduates two, society ...

These companies from a variety of angles, multi-form development of cloud computing software is a stage for developers to build a cloud strategy that provides cloud-based development and application scaling, or infrastructure management, to deploy and manage applications, or provide an open source software and hardware-integrated application development platform. 　　There are many ways to build a cloud-computing platform, and here are some of the most compelling vendors. 　　Let's focus on the world's top 20 most cool cloud computing platform vendors! 1, ActiveState Activestat ...

This series of articles shows you how to use reverse Ajax http://www.aliyun.com/zixun/aggregation/7332.html "> Technology to develop event-driven WEB programs." The 1th part describes reverse Ajax, polling, streaming, Comet, and long polling. Part 2nd describes how to use WebSocket and discusses the limitations of WEB servers that use Comet and WebSocket. The first ...