Download E-books Accumulo: Application Development, Table Design, and Best Practices PDF

By Aaron Cordova, Billie Rinaldi, Michael Wall

wake up to hurry on Apache Accumulo, the versatile, high-performance key/value shop created by means of the nationwide protection company (Nsa) and in keeping with Google’s BigTable info garage procedure. Written by way of former Nsa workforce individuals, this finished instructional and reference covers Accumulo structure, software improvement, desk layout, and cell-level security.

With transparent info on process management, functionality tuning, and most sensible practices, this e-book is perfect for builders trying to write Accumulo purposes, directors charged with fitting and preserving Accumulo, and different execs attracted to what Accumulo has to supply. you will discover every little thing you should use the program fully.

  • Get a high-level advent to Accumulo’s structure and information model
  • Take a fast journey via unmarried- and multiple-node installations, information ingest, and query
  • Learn find out how to write Accumulo functions for numerous use situations, in keeping with examples
  • Dive into Accumulo internals, together with info now not to be had within the documentation
  • Get unique info for fitting, administering, tuning, and measuring performance
  • Learn top practices according to profitable implementations within the field
  • Find solutions to universal questions that each new Accumulo consumer asks

Show description

Read Online or Download Accumulo: Application Development, Table Design, and Best Practices PDF

Similar Computers books

Advanced Malware Analysis

A distinct advisor to developing a malware study lab, utilizing state-of-the-art research instruments, and reporting the findings complex Malware research is a serious source for each info defense professional's anti-malware arsenal. The confirmed troubleshooting options will provide an aspect to details protection pros whose activity comprises detecting, interpreting, and reporting on malware.

Computer Networking: A Top-Down Approach (6th Edition)

&>Computer Networking maintains with an early emphasis on application-layer paradigms and alertness programming interfaces (the most sensible layer), encouraging a hands-on adventure with protocols and networking strategies, sooner than operating down the protocol stack to extra summary layers. This e-book has turn into the dominant ebook for this direction end result of the authors’ reputations, the precision of clarification, the standard of the artwork software, and the price in their personal vitamins.

Elements of Programming

“Ask a mechanical, structural, or electric engineer how a ways they'd get with out a heavy reliance on a company mathematical origin, and they're going to let you know, ‘not a long way. ’ but so-called software program engineers usually perform their paintings with very little proposal of the mathematical underpinnings of what they're doing.

Sams Teach Yourself Android Application Development in 24 Hours

&>   in exactly 24 periods of 1 hour or much less, methods to construct robust purposes for the world’s first entire, open, and loose cellular platform: Android. utilizing this book’s basic, step by step strategy, you’ll construct a fully-featured Android program from the floor up and grasp the talents you must layout, strengthen, try out, and submit robust functions.

Extra resources for Accumulo: Application Development, Table Design, and Best Practices

Show sample text content

Ref>[http://accumulo. apache. org/ Apache Accumulo]. Accumulo. apache. org. Retrieved on 2013-09-18. it's a process outfitted on best of [[Apache Hadoop]], [[Apache ZooKeeper]], and [[Apache Thrift]]. ... dzr6dhn3hlq22aalz44g8g8abo15qm4 as an instance of utilizing the API, we’ll parse those articles and write them to Accumulo. First we’ll devise a fashion of mapping the information to the Accumulo facts version into a number of tables. subsequent we’ll ingest the information utilizing components of the Accumulo Java purchaser API. eventually, we’ll write a few code to permit clients to question those tables in a variety of methods. information Modeling rather than formulating questions as database queries, software designers may still holiday questions into experiment operations—ideally as few of them as attainable according to person request. to begin being used to this fashion of pondering, it's a strong thought to start software layout with a unmarried desk. extra tables may be additional to the applying whether it is made up our minds that they're essential to aid extra entry styles. whilst determining how you can signify facts in Accumulo, builders face one in all demanding situations: both making a new schema that permits them to version the information they are going to be growing, or mapping present info conforming to an current schema to the Accumulo information version in a manner that helps the entry styles required. a brief evaluate of knowledge Modeling info modeling is a job that comprises making a choice on the constitution of an idea to be represented in a procedure and defining its illustration in the procedure. it is usually played at many degrees and in lots of methods. A schema is an outline of the constitution in info. a specific schema could be represented in quite a few methods while saved in several structures. for instance, you can still outline the concept that of an tackle to be made of a road quantity, a urban identify, a nation, a zipper code. An tackle reminiscent of this is often composed of 4 named components and has a particular aspiring to a selected program. therefore, this schema can be thought of a semantic or conceptual info version. Conceptual types might be represented in numerous codecs, or logical types. for instance, one may possibly signify or map a selected deal with to the JSON structure as follows: { highway: '123 any street', urban: 'anytown', kingdom: 'CA', zipCode: 90210 } Or as XML:

123 any street anytown CA 90210

elsewhere one could symbolize an deal with as a desk, reminiscent of in a relational database. JSON, XML, and two-dimensional tables could be considered logical equipment of taking pictures a conceptual version in a selected manner for a selected objective. in truth, many functions utilize numerous logical information versions to symbolize a similar conceptual facts in quite a few areas. for instance, an software could retrieve a few rows from a relational database representing a user’s profile and deserialize them as a programmatic item in reminiscence, after which convert the programmatic item to JSON sooner than sending it to an internet browser.

Rated 4.97 of 5 – based on 25 votes