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From Russell Jurney <russell.jur...@gmail.com>
Subject Re: Avro vs Parquet performance on Pig
Date Thu, 07 Feb 2019 22:13:49 GMT
Well, the obvious thing is to load only those columns you need. Just in
case you’re not doing this.

On Thu, Feb 7, 2019 at 2:04 PM Michael Doo <michael.doo@verve.com> wrote:

> Hey all,
> I’ve been migrating some processes over from ingesting Avro to ingesting
> Parquet. In Spark, we’re seeing 2x-8x performance gains when using Parquet
> over Avro. In Pig, similar processes are about the same runtime between the
> two formats (and sometimes even higher using Parquet). We’ve enabled
> dictionary filtering as well as predicate filter/pushdown. Wondering if
> there are other settings / strategies we might be missing to take advantage
> of Parquet.
> Thanks,
> Michael
Russell Jurney @rjurney <http://twitter.com/rjurney>
russell.jurney@gmail.com LI <http://linkedin.com/in/russelljurney> FB
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