Try Catch Throw Finally

To use Hadoop, data consolidation is critical and hbase is widely used. In general, you need to transfer data from existing types of databases or data files to HBase for different scenario patterns. The common approach is to use the Put method in the HBase API, to use the HBase Bulk Load tool, and to use a custom mapreduce job. The book "HBase Administration Cookbook" has a detailed description of these three ways, by Imp ...

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Take the XX data file from the FTP host. 　　Tens not just a concept, represents data that is equal to tens of millions or more than tens of millions of data sharing does not involve distributed collection and storage and so on. Is the processing of data on a machine, if the amount of data is very large, you can consider distributed processing, if I have this experience, will be in time to share. 　　1, the application of the FTP tool, 2, tens the core of the FTP key parts-the list directory to the file, as long as this piece is done, basically the performance is not too big problem. You can pass a ...

Recall just joined Tencent's time, all let the first start of the author's heart is very disturbed, here Wood has a traditional project big plan, Wood has very clear traditional standard requirements specifications, all kinds of wood, we are bunt battle, quickly run. At the same time the project is small and intensive, two times a week, demand, such as rain, and the past has done at every turn one or two years, but also shorter than three months more than the project, it is a bit more dexterity than expected, once overturned the author of the concept of the project. Fortunately, I met a good mentor and a very strong brother. In half a year of groping and temptation, brother ...

2009 he infiltrated webmaster meeting want to find Chen talk about cooperation, the result and Zhou chat on the day ... In the early 30, 360 long tour CEO Liuliang, was "not You Mo" in the audience that the speech is very natural, for the game industry endorsement, by a famous media known as "Dick exploded" big cock silk. 　　The Ashes level game player, runs into Shenzhen's veterans, stationmaster, makes the Warcraft game community, the first to do, and sees him with Shanda, Tencent, with Zhou's association and the pioneering road. Run to Shenzhen I am Shaanxi Xian people, 80 born. My biggest two hobbies, one is the car ...

Blog Description: 1, research version hbase 0.94.12;2, posted source code may be cut, only to retain the key code. 　　Discusses the HBase write data process from the client and server two aspects. One, client-side 1, write data API write data is mainly htable and batch write two API, the source code is as follows://write the API public void to put ("final") throws IO ...

1. The Wallach effect Otto Wallach is the winner of the Nobel Prize in Chemistry, and his success is legendary. Wallach at the beginning of the middle school, parents for him to choose a literary road, who knows that one semester down, teachers for his comments is such "Wallach very hard." But he was too wedded to the material of literature. At this time, the parents let him change to learn oil painting, but Wallach is not good at composition, and will not Polish, the result is the worst. In the face of such "clumsy" students, the teacher basically thinks he is not possible to become a talent, only ...

Absrtact: 1. Wallach effect Ottowalach is the winner of the Nobel Prize in Chemistry, and his success is legendary. Wallach at the beginning of the middle school, the parents chose a literary road for him, but one semester down, the teacher wrote for him this comment: 1. Wallach effect Otto Wallach is the Nobel Prize winner in chemistry, his success process is very legendary. Wallach in the beginning of the middle school, the parents for him to choose a literary road, but a semester down, teachers for him to write down such a remark: "Wallach very hard ...

Absrtact: Whether or not, Turman technology will be in the history of China's science and technology, leaving a case worthy of reflection. 　　From September 2013 to the Black Horse posture, in just one day, become a micro-trust friend Circle Marketing the most classic case; by February 2014, the well-known from the success or failure, Turman technology will be in China's history of science and technology, leaving a case worthy of reflection. From September 2013 to the Black Horse posture, in just one day, become a micro-trust friend Circle Marketing the most classic case, by February 2014 by the well-known from the media vomit ...

In fact, a company's biggest bottleneck is actually the CEO himself, if the company CEO himself can not grow, then he can not lead the company to a broader world. But it's not enough to have CEO growth. Join the team did not keep up with the pace, then there must be business collapse. Therefore, the CEO's management method appears especially important. However, the management of internet companies is not like the traditional production line management, internet companies in the company's management requires everyone's goals must be very clear. ...