Absrtact: With the rapid take-off of China's economy, the development of environmental pollution problems intensified, haze in all regions raging, PM2.5 index frequent "explosion", the daily life of the people caused great trouble, aroused public opinion's strong concern. The Government attaches great importance to and put PM2.5 monitoring work in the focus of environmental protection work. Cloud creates storage independent innovation PM2.5 cloud monitoring platform breaks the traditional research and development way, utilizes the innovative design idea, causes the environmental protection and the cloud computing high-end technology organic combination, the structure massive monitoring data storage, the processing platform, may reflect each region's air quality microcosmic, for the public ...
Testmaker 6.1 This release adds Flex 4 support, Oracle forms and Java http://www.aliyun.com/zixun/aggregation/5541.html ">applet support, New results analysis sponsor, including table view, resource monitoring and transaction details, simple SSL certificate management, Linux compatibility, and MySQL library support. Testmak ...
Check_oracle_health 1.7.3 This version adds a new pattern: Sga-library-cache-pinhit-ratio, Sga-library-cache-gethit-ratio and Sga-library-cache-reloads. SQL mode can now correctly handle DML SQL errors for lost tables, and so on. Check_oracle_health is a nagios used to monitor Oracle ...
Check_oracle_health 1.7.1 This version adds the Submit option. Added error handling for non-write state files. Fixed statefilesdir and uppercase errors. Enhances outdated statistics and invalid object patterns. The plug-in can now use the OMD framework. Check_oracle_health is a plug-in that Nagios to monitor the running status of Oracle databases. What can be monitored include: connection time, usage of the SGA data buffer, hit ratio, and available ...
Through the introduction of the core Distributed File System HDFS, MapReduce processing process of the Hadoop distributed computing platform, as well as the Data Warehouse tool hive and the distributed database HBase, it covers all the technical cores of the Hadoop distributed platform. Through this stage research summary, from the internal mechanism angle detailed analysis, HDFS, MapReduce, Hbase, Hive is how to run, as well as based on the Hadoop Data Warehouse construction and the distributed database interior concrete realization. If there are deficiencies, follow-up and ...
Through the introduction of the core Distributed File System HDFS, MapReduce processing process of the Hadoop distributed computing platform, as well as the Data Warehouse tool hive and the distributed database HBase, it covers all the technical cores of the Hadoop distributed platform. Through this stage research summary, from the internal mechanism angle detailed analysis, HDFS, MapReduce, Hbase, Hive is how to run, as well as based on the Hadoop Data Warehouse construction and the distributed database interior concrete realization. If there are deficiencies, follow-up ...
In 2017, the double eleven refreshed the record again. The transaction created a peak of 325,000 pens/second and a peak payment of 256,000 pens/second. Such transactions and payment records will form a real-time order feed data stream, which will be imported into the active service system of the data operation platform.
In "2013 Zhongguancun Big Data Day" Big Data Wisdom City Forum, cloud Human Science and Technology CEO Wu Zhuhua brings to the theme "about intelligent city thinking-real-time large data processing opportunities and challenges" speech. He believes that the opportunities for large data in various industries are as follows: Financial securities (high-frequency transactions, quantitative transactions), telecommunications services (support systems, unified tents, business intelligence), Energy (Power plant power grid Monitoring, information collection and analysis of electricity), Internet and electricity business (user behavior analysis, commodity model analysis, credit analysis), other industries such as Intelligent city, Internet of things. Wu Zhuhua ...
At present, management informatization has been widely used in the world, and it has become one of the important means to maintain the core competitiveness of enterprises. Foreign trade industry is our country's main economic pillar industry, but also the country's external economic window, it is directly facing the international market and the international peer competition. With the development of information technology, information management system in foreign trade enterprises as well as in other enterprises have been widely used and developed. At the same time, the maturity of Internet technology and the rise of E-commerce for China's foreign trade in the field of application and development opened a broad prospect. ...
In recent years, with the continuous innovation and development of the Internet industry, batch after group of websites or be eliminated or stand out, for those successful websites, most of them already exist nearly 10 or more than 10 years, in such a long period of development, in addition to the business facing the challenges, Technically, it's also a lot of challenges. The following selected Alexa rankings of the previous site (ranking up to April 21, 2012, by analyzing how they are technically coping with the challenges of business development process, to a deeper understanding of the development of the Internet industry in recent years. ...
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