Zusammenfassung der Ressource
BIG DATA
Anmerkungen:
- Big data is the term for a collection of data sets so large and complex that it becomes difficult to process using on-hand database management tools or traditional data processing applications. ...
- Characterstics
- Volume
Anmerkungen:
- Volume reffers to the amount of data
- Velocity
Anmerkungen:
- Data is streaming in at unprecedented speed and must be dealt with in a timely manner.
- Variety
Anmerkungen:
- Data today comes in all types of formats. Structured, numeric data in traditional databases. Information created from line-of-business applications. Unstructured text documents, email, video, audio..
- Importance
- Cost reductions
- Time reductions
- Techniques
- NoSql
Anmerkungen:
- NoSQL encompasses a wide variety of different database technologies and were developed in response to a rise in the volume of data stored about users, objects and products, the frequency in which this data is accessed, and performance and processing needs. Relational databases, on the other hand, were not designed to cope with the scale and agility challenges that face modern applications, nor were they built to take advantage of the cheap storage and processing power available today.
- Benefits of NoSQL
Anmerkungen:
- Large volumes of structured, semi-structured, and unstructured data
Agile sprints, quick iteration, and frequent code pushes
Object-oriented programming that is easy to use and flexible
Efficient, scale-out architecture instead of expensive, monolithic architectu
- Structured
Anmerkungen:
- Un Structured
Anmerkungen:
- WibiDATA
Anmerkungen:
- WibiData is a software company that develops Big Data Applications.
- Platfora
Anmerkungen:
- Platfora describes its user-friendly widgetry as the first scale-out in-memory business intelligence platform for Hadoop.
- Data uses
- GOOGLE
Anmerkungen:
- Google
processes 20 PB a day
- FACEBOOK
Anmerkungen:
- Facebook
has 2.5 PB of user data + 15 TB/day
- E-BAY
Anmerkungen:
- eBay
has 6.5 PB of user data + 50 TB/day
- RFID
Anmerkungen:
- RFID (radio frequency ID) systems generate up to 1,000 times the data of conventional bar code systems.
- VISA
Anmerkungen:
- VISA processes more than 172,800,000 card transactions each day.
- United Parcel Service
Anmerkungen:
- United Parcel Service receives on average 39.5 million tracking requests from customers per day.
- Mobile Phones
Anmerkungen:
- More than 5 billion people are calling, texting, tweeting and browsing websites on mobile phones
- Examples
Anmerkungen:
- Browsers
Oracle
Amazon
IBM
Microsoft