Presto 0.170 发布了,Presto 是 Facebook 开源的数据查询引擎,可对250PB以上的数据进行快速地交互式分析,查询的速度达到商业数据仓库的级别。据称该引擎的性能是 Hive 的 10 倍以上。
Presto 可以查询包括 Hive、Cassandra 甚至是一些商业的数据存储产品。单个 Presto 查询可合并来自多个数据源的数据进行统一分析。
更新如下:
General Changes
Fix race condition that could cause queries to fail with InterruptedException in rare cases.
Fix a performance regression for GROUP BY queries over UNION.
Fix a performance regression that occurs when a significant number of exchange sources produce no data during an exchange (e.g., in a skewed hash join).
Web UI Changes
Fix broken rendering when catalog properties are set.
Fix rendering of live plan when query is queued.
完整更新内容请查看发布说明。
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