---
layout: page
title: ORC Talks
---

Want to learn more about ORC?

Watch some presentations and read through some slide decks about ORC.

## Videos

* The Rise of ZStandard: Apache Spark/Parquet/ORC/Avro
  [slides](https://www.slideshare.net/databricks/the-rise-of-zstandard-apache-sparkparquetorcavro)

    Dongjoon Hyun and Pang Wu at DATA+AI Summit 2021

    <iframe width="420" height="315"
            src="https://www.youtube.com/embed/dTGxhHwjONY" frameborder="0"
            allowfullscreen></iframe>

* ORC File & Vectorization - Improving Hive Data Storage and Query Performance
  [slides](https://www.slideshare.net/oom65/orc-andvectorizationhadoopsummit)
 
    Owen O'Malley and Eric Hanson at Hadoop Summit: San Jose 2013

    <iframe width="420" height="315"
            src="https://www.youtube.com/embed/GV7vpR7vpjM" frameborder="0"
            allowfullscreen></iframe>

* ORC 2015: Faster, Better, Smaller
  [slides](https://www.slideshare.net/t3rmin4t0r/orc-2015)

    Gopal Vijayaraghavan at Hadoop Summit: Brussels 2015

    <iframe width="560" height="315"
            src="https://www.youtube.com/embed/Jd4lFEK8gCM" frameborder="0"
            allowfullscreen></iframe>

* Adding ACID Updates to Hive
  [slides](https://www.slideshare.net/alanfgates/hive-acidupdatessummitsjc2014)

    Owen O'Malley and Alan Gates at Hadoop Summit: San Jose 2014

    <iframe width="560" height="315"
            src="https://www.youtube.com/embed/_A-GMkIygtU" frameborder="0"
            allowfullscreen></iframe>

## Slides

* [ORC Deep Dive 2020](https://www.slideshare.net/oom65/orc-deep-dive-2020)

    Owen O'Malley

    <iframe src="//www.slideshare.net/slideshow/embed_code/key/qyYdGz3uKChVM1"
    width="595" height="485" frameborder="0" marginwidth="0" marginheight="0"
    scrolling="no" style="border:1px solid #CCC; border-width:1px;
    margin-bottom:5px; max-width: 100%;" allowfullscreen=""> </iframe>

* [File Format Benchmarks: Avro, JSON, ORC, & Parquet](https://www.slideshare.net/oom65/file-format-benchmarks-avro-json-orc-parquet)

    Owen O'Malley at Hadoop Summit San Jose 2016

    <iframe src="//www.slideshare.net/slideshow/embed_code/key/fSn4xuYXBXGvlx"
    width="595" height="485" frameborder="0" marginwidth="0" marginheight="0"
    scrolling="no" style="border:1px solid #CCC; border-width:1px;
    margin-bottom:5px; max-width: 100%;" allowfullscreen> </iframe>

* [ORC Files](https://www.slideshare.net/oom65/orc-files)

    Owen O'Malley at Berlin Buzzwords 2013

    <iframe src="//www.slideshare.net/slideshow/embed_code/key/nUhPBgqm1xzJCG"
    width="425" height="355" frameborder="0" marginwidth="0" marginheight="0"
    scrolling="no" style="border:1px solid #CCC; border-width:1px;
    margin-bottom:5px; max-width: 100%;" allowfullscreen> </iframe>

* [A Perfect Hive Query for a Perfect Meeting](https://www.slideshare.net/AdamKawa/a-perfect-hive-query-for-a-perfect-meeting-hadoop-summit-2014)

    Adam Kawa at Hadoop Summit: San Jose 2014

    <iframe
    src="//www.slideshare.net/slideshow/embed_code/key/4CLFxVy90yBJ3J"
    width="425" height="355" frameborder="0" marginwidth="0"
    marginheight="0" scrolling="no" style="border:1px solid #CCC;
    border-width:1px; margin-bottom:5px; max-width: 100%;"
    allowfullscreen> </iframe>
