In the last year, we've gone from millions of pieces of data to billions of pieces of data. I will speak on a solution for scaling up and about the challenges presented. Also covered will be the future of data at Qihoo 360 with MongoDB.
In the last year, we've gone from millions of pieces of data to billions of pieces of data. I will speak on a solution for scaling up and about the challenges presented. Also covered will be the future of data at Qihoo 360 with MongoDB.
The document discusses optimizing complex queries in MySQL. It introduces different join types in MySQL like simple nested loops join, block nested loops join, and classic hash join. Block nested loops join and block hash nested loops join can reduce the number of inner table scans compared to simple nested loops join. The document also uses examples to illustrate the performance differences between different join types.
The document discusses optimizing complex queries in MySQL. It introduces different join types in MySQL like simple nested loops join, block nested loops join, and classic hash join. Block nested loops join and block hash nested loops join can reduce the number of inner table scans compared to simple nested loops join. The document also uses examples to illustrate the performance differences between different join types.
This document outlines topics covered in a MySQL Performance Tuning course. The introduction section provides an overview of MySQL, its products and tools, services and support, documentation, and certification. The performance tuning basics section discusses key concepts like measuring performance, identifying areas to tune like hardware, MySQL configuration, schema/queries, and application architecture. It emphasizes the importance of measurement to identify bottlenecks. The remaining sections cover specific tools and techniques for tuning different aspects of MySQL.
This resource guide provides information to help entrepreneurs understand the steps and resources needed at different stages of starting and operating a business. It outlines key activities in the planning, building, running, and future stages. These include developing a business strategy and structure, obtaining financing and accounting, managing human resources and legal compliance, and strategies for sales, marketing, and operations. The guide also provides action steps and links to online resources in each area to assist entrepreneurs.
This document appears to contain charts showing smartphone operating system market share over time and in a particular quarter. The line chart shows market share percentages for Symbian, Windows Mobile, Android and iPhone between 2010 and 2011, with Android increasing dramatically. The pie chart for a single quarter breaks down market share as 35% Android, 29% Symbian, 11% iPhone and smaller shares for others.
The document provides an overview of the history and techniques of jewelry making. It discusses jewelry from ancient Egypt and Greece, as well as techniques like cutting, polishing, and soldering. The document also covers important aspects of teaching jewelry making such as developing lesson plans, introducing new processes, and ensuring student safety in the workshop.
The document is a collection of images and text on the topic of data visualization. It discusses the history of visualization tools like pie charts and scatterplot matrices. It also covers modern visualization techniques for different data types such as trees, networks, text, and trajectories. Challenges in the field like dealing with large datasets and visualizing on mobile devices are mentioned. Applications discussed include sensemaking for intelligence analysis, detecting financial crimes, understanding social networks, and visualizing seismic and traffic data.
The document discusses the history and process of teaching jewelry making. It provides an overview of different eras of jewelry from ancient Egypt to the Victorian era. It then outlines four lesson plans for teaching techniques like sawing, filing, soldering and sanding. The document proposes teaching two jewelry pieces to classmates and describes adapting this project to teach African jewelry making at a diversity event. It concludes by reflecting on the importance of passing on jewelry making skills and knowledge through teaching.
Hogyan csináljunk sikeres Kickstarter kampányt?Beachegg
A prezentáció a KÜRT Akadémia Data Science képzéséhez kapcsolódóan készült, az adatok forrása a Kickstarter, az eadattisztításhoz Pythont, az elemzéshez Tableu-t használtunk.
Obsuszt Norbert vállalta a technikai, én pedig az elemzős, értelmezős részeket.
Estimation - web software development estimation DrupalCon and DrupalCamp pre...Andy Kucharski
Project Estimation Presentation at DrupalCamps. Presentation discussing risks, methods and recommendations when estimating software estimation with a focus on web CMS (drupal)
Impressionism emerged as a style in the 1870s-1880s, taking its name from Claude Monet's painting "Impression." Key qualities include visible brush strokes, a focus on how light changes, and open compositions. Impressionist artists like Monet, Renoir, Sisley, Pissarro, and Cézanne painted outdoors, emphasizing natural light, shadows, and reflections. They often painted at dusk to depict shadowy scenes. Renoir's works featured visible brush strokes and light colors depicting activities like dancing and hula hooping. His paintings had an open, breathing quality through liberal use of paint and texture.
How to plan a hadoop cluster for testing and production environmentAnna Yen
Athemaster wants to share our experience to plan Hardware Spec, server initial and role deployment with new Hadoop Users. There are 2 testing environments and 3 production environments for case study.
my experience in spark tunning. All tests are made in production environment(600+ node hadoop cluster). The tunning result is useful for Spark SQL use case.
Apache Kylin Data Summit 2019: Kyligence PresentationTyler Wishnoff
The 2019 Apache Kylin Data Summit hosted this year in Shanghai provided Big Data analytics experts in IT and on the business side an early look at where this powerful OLAP technology is going. This presentation highlights the work Kyligence is doing to support the Apache Kylin project and deliver a commercial OLAP solution suitable for enterprises working with massive datasets. Founded by the initial creators of Apache Kylin, learn more about Kyligence here: https://kyligence.io/