To play big data, no data how to play? Here are some 33 open source crawler software for everyone.
Crawler, or web crawler, is a program that automatically obtains Web content. is an important part of the search engine, so the search engine optimization is to a large extent the optimization of the crawler.
Web crawler
speed of data, they started looking for more innovative ways to use the data.2. Are you sure you want the eggs to touch the stone?"All right, but why do I need new tools? Can't I use the original software tools to analyze big
mobile phones.
Cloud service-based data and analysis solutions share big data capabilities across the enterprise, and even partners, suppliers, and customers can share enterprise big data, this allows big
, big data analyst direction. It includes data collection, cleaning, data analysis, model building and so on. Master some tools, such as Excel, Storm,RapidMiner and so on. Of course, you can master the data analysis method of
storm, an open-source Twitter project.
Trigger-based action execution
The results of big data analysis can trigger alarms and execute actions.
Alarm: Send an alarm to the user for subsequent decision (machine> person ).
Trigger: trigger an alarm to another system and automatically execute the corresponding action (machine> machine ).
For example, the network performance monitoring system uses the compl
Big Data Big Data, a collection of data that cannot be captured, managed, and processed by conventional software tools within a manageable timeframe, requires a new processing model to
big data and traditional data processing process is not very different, the main difference is: Because big data to deal with a large number of unstructured data, so in each processing link can be used in the same way as mapreduc
data changes all aspects of us, and security analysis is no exception. The security element information presents the big data characteristic, but the traditional security analysis method faces the big challenge, the information and the network security needs to base on the big
Transferred from: http://www.aboutyun.com/thread-7569-1-1.htmlBig Data We all know about Hadoop, but there's a whole range of technologies coming into our sights: Spark,storm,impala, let's just not come back. To be able to better architect big data projects, here to organize, for technicians, project managers, architects to choose the right technology, understand
has begun to try to use big data. A company named editd has established the world's largest clothing database. Its founder was originally a fashion designer, the original intention of the establishment of editd is to help global apparel retailers, brands and suppliers deliver the right products at the right time and at the right price.
It is reported that editd has a stable customer base, including not o
company implementation of Big data platform is also understandable, so also actively participate in this project. Just before the end of the research on OSGi's enterprise-class framework, we wanted to use the CSDN platform to document this big data platform implementation process. I think I will be able to provide a g
and develops data shielding (marked and anonymous) and storage measures.
4. Data Security
Consider using user authentication and authorization mechanisms to ensure the security of the database management system.
Non-relational databases exchange data using plaintext communication APIs, which lacks security.
Application Programming Interface (API) is an applicat
1. BackgroundWith the advent of the big data era, people are discovering more and more data. But how do you store and analyze Big data ?Stand-alone PC storage and analysis data has many bottlenecks, including storage capacity, rea
Big Data Network Design essentialsFor big data, Gartner is defined as the need for new processing models for greater decision-making, insight into discovery and process optimization capabilities, high growth rates, and diverse information assets.Wikipedia is defined as a collection of
Basic concepts of big data:
1. Generation of big data
A. Scientific Research
B. Iot applications
C. Generation of massive network information
2. Proposal of the big data Concept
3. 4 V features of
was around $5 million. In recent years, with the development of technology this cost can be reduced to about $500,000, while the current 1PB data in the cloud for a year the lowest storage cost of 2.5 million to 3 million yuan. Big data has become a big burden for companies before they can generate value, and
1. First of all, let's not take big data to say things, first analysis of OLAP and OLTP.OLAP: Online analytical Processing (OLAP) systems are the most important applications of data warehouse systems and are specifically designed to support complex analytical operations, with a focus on decision support for decision makers and senior management.OLTP: Online trans
I found several log analysis software on the Internet and thought it was the simplest and practical, at least for me.
However, this software has a disadvantage: When the log size is large, the detailed analysis may overflow and text cutting tools are required.Software Download: iis log analysis software
develop a new system that allows more companies to leverage big data analytics tools and the industrial Internet, the latter being a complex network of physical machinery.This new system is called the "Industrial data Lake", which combines the Predix industrial software pla
10 Big building tools common to Java programmers
Recently, I did a programmer-developed survey of 20 big data tools used by Java programmers. Recently I did a Java survey and asked a lot of developers about what tools/frameworks t
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