Impala and Parquet | DBMS 2 : DataBase Management System Services
I visited Cloudera Friday for, among other things, a chat about Impala with Marcel Kornacker and colleagues. Highlights included: Impala is meant to someday be a competitive MPP (Massively Parallel Processing) analytic RDBMS. At the moment, it is not one. For example, Impala lacks any meaningful form of workload management or query optimization. While Impala will run against any HDFS (Hadoop Distr
Parquet
Documentation Download Apache Parquet is an open source, column-oriented data file format designed for efficient data storage and retrieval. It provides high performance compression and encoding schemes to handle complex data in bulk and is supported in many programming language and analytics tools.
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Performance evaluation of cloudera impala (with Comparison to Hive)
