Download Architecting HBase Applications: A Guidebook for Successful by Jean-Marc Spaggiari, Kevin O'Dell PDF

By Jean-Marc Spaggiari, Kevin O'Dell

Lots of HBase books, on-line HBase courses, and HBase mailing lists/forums can be found if you want to understand how HBase works. but when you must take a deep dive into use instances, beneficial properties, and troubleshooting, Architecting HBase functions is the perfect resource for you.

With this publication, you’ll study a managed set of APIs that coincide with use-case examples and simply deployed use-case versions, in addition to sizing/best practices to assist leap commence your online business software improvement and deployment.

  • Learn layout patterns—and not only components—necessary for a winning HBase deployment
  • Go extensive into all of the HBase shell operations and API calls required to enforce documented use cases
  • Become accustomed to the most typical matters confronted through HBase clients, determine the reasons, and comprehend the consequences
  • Learn document-specific API calls which are tough or vitally important for users
  • Get use-case examples for each subject presented

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Additional resources for Architecting HBase Applications: A Guidebook for Successful Development and Design

Sample text

If you want to limit the output to a specific column qualifier, you need to specify it in both commands the following way: 32 | Chapter 2: Underlying storage engine - Implementation get 'sensors', '000a', {COLUMN => 'v:f92acb5b-079a-42bc-913a-657f270a3dc1'} scan 'sensors', { COLUMNS => ['v:f92acb5b-079a-42bc-913a-657f270a3dc1'], \ STARTROW => '000a', STOPROW => '000a' } The output of the get should then look like this: COLUMN CELL v:f9acb... timestamp=1432088038576, value=\x08000aHf92acb5b-079a-42bc-913a-657...

Here we ask it all the ALERT documents for the NE-555 part. 38 | Chapter 2: Underlying storage engine - Implementation Execute the SOLR request and retrieve the response from the server. Call HBase given the row key of the first document sent back by SOLR. Iterate over the columns for the given key and display the first ten Avro objects retrieved from those columns. Going further If you want to go further on the examples from this chapter, here are some things you can try based on what we have discussed in this chapter.

Error("Impossible to find requested cell"); } } Connect to your SOLR cluster. Adjust this if you are not running SOLR on the same cluster as HBase. Define the SOLR connection you want to use. Configure the request you want SOLR to execute. Here we ask it all the ALERT documents for the NE-555 part. 38 | Chapter 2: Underlying storage engine - Implementation Execute the SOLR request and retrieve the response from the server. Call HBase given the row key of the first document sent back by SOLR. Iterate over the columns for the given key and display the first ten Avro objects retrieved from those columns.

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