Apache Drill 1.9.0 发布，大型数据集分析系统

发布于 2016-12-01 00:21:26 | 156 次阅读 | 评论: 0 | 来源: 网友投递

Apache Drill是为大数据集的互动分析而生，是Google的Dremel的开源版本。它的目标是可以高效地对大数据集进行分析，可以运行在1000台以上的服务器，在几秒内处理PB级的数据和万亿条的数据记录，目前Drill还在Apache进行孵化。

Apache Drill 1.9.0 发布了。主要更新如下：

新特性：

改进：

[DRILL-1950] - Implement filter pushdown for Parquet
[DRILL-3178] - csv reader should allow newlines inside quotes
[DRILL-4309] - Make this option store.hive.optimize_scan_with_native_readers=true default
[DRILL-4653] - Malformed JSON should not stop the entire query from progressing
[DRILL-4674] - Allow casting to boolean the same literals as in Postgre
[DRILL-4752] - Remove submit_plan script from Drill distribution
[DRILL-4771] - Drill should avoid doing the same join twice if count(distinct) exists
[DRILL-4792] - Include session options used for a query as part of the profile
[DRILL-4800] - Improve parquet reader performance
[DRILL-4864] - Add ANSI format for date/time functions
[DRILL-4865] - Add ANSI format for date/time functions
[DRILL-4927] - Add support for Null Equality Joins
[DRILL-4967] - Adding template_name to source code generated using freemarker template
[DRILL-4986] - Allow users to customize the Drill log file name
[DRILL-4987] - Use ImpersonationUtil in RemoteFunctionRegistry