Apache Drill 1.9.0 发布了。主要更新如下：
新特性：
Asynchronous Parquet reader
Parquet filter pushdown
Dynamic UDF support
HTTPD format plugin
改进：
Implement filter pushdown for Parquet
csv reader should allow newlines inside quotes
Make this option store.hive.optimize_scan_with_native_readers=true default
Malformed JSON should not stop the entire query from progressing
Allow casting to boolean the same literals as in Postgre
Remove submit_plan script from Drill distribution
Drill should avoid doing the same join twice if count(distinct) exists
Include session options used for a query as part of the profile
Improve parquet reader performance
Add ANSI format for date/time functions
Add ANSI format for date/time functions
Add support for Null Equality Joins
Adding template_name to source code generated using freemarker template
Allow users to customize the Drill log file name
Use ImpersonationUtil in RemoteFunctionRegistry
为了帮助企业用户寻找更为有效、加快Hadoop数据查询的方法，Apache 软件基金会发起了一项名为“Drill”的开源项目。Apache Drill 实现了 Google's Dremel.
该项目将会创建出开源版本的谷歌Dremel Hadoop工具（谷歌使用该工具来为Hadoop数据分析工具的互联网应用提速）。而“Drill”将有助于Hadoop用户实现更快查询海量数据集的目的。
下载地址：https://drill.apache.org/blog/2016/11/29/drill-1.9-released
来自:开源中国社区
