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An Introduction to Apache Flume

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An Introduction to Apache Flume, what is it used for and
how does it work ? How does it fit into the Hadoop tool
set ?

Published in: Technology, Business

An Introduction to Apache Flume

  1. 1. Apache Flume ● What is it ? ● How does it work ? ● Architecture ● Reliability www.semtech-solutions.co.nz info@semtech-solutions.co.nz
  2. 2. Flume – What is it ? ● A data collection service for Hadoop ● For distributed systems ● Open source ● Scaleable ● Reliable ● Manageable ● Fault tolerant www.semtech-solutions.co.nz info@semtech-solutions.co.nz
  3. 3. Flume – How does it work ? ● Flumes uses agents which have – A source ● Listen for events ● Write events to channel – A channel ● Queue event data as transactions – A sink ● Write event data to target i.e. HDFS ● Remove event from queue www.semtech-solutions.co.nz info@semtech-solutions.co.nz
  4. 4. Flume – Architecture ● A single agent showing its parts ● Generally one agent for a given data type www.semtech-solutions.co.nz info@semtech-solutions.co.nz
  5. 5. Flume – Architecture ● Agents can be chained into flows ● Avro can be used for data serialization www.semtech-solutions.co.nz info@semtech-solutions.co.nz
  6. 6. Flume – Architecture In complicated flows it may be necessary to think about ● Event Data Reliability ● Should we have – Complete end to end reliability – Send and forget – Or something in between ? www.semtech-solutions.co.nz info@semtech-solutions.co.nz
  7. 7. Flume – Architecture ● Complex flows may have many links www.semtech-solutions.co.nz info@semtech-solutions.co.nz
  8. 8. Contact Us ● Feel free to contact us at – www.semtech-solutions.co.nz – info@semtech-solutions.co.nz ● We offer IT project consultancy ● We are happy to hear about your problems ● You can just pay for those hours that you need ● To solve your problems

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