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Source channel @GithubDaily · Post #53 · Nov 6

#Github Presto是一个面向大数据的SQL查询引擎,可以运行交互式查询语句和GB到TB级别的数据进行交互,Facebook就在使用该项目,他们使用Presto和300PB的数据仓库进行交互(有无数大型公司在使用该项目)。 Presto允许在数据所在的地方查询数据,包括Hive、Cassandra、关系型数据库甚至是专有数据存储。一个单一的Presto查询可以结合来自多个来源的数据,从而实现整个组织的分析。 https://github.com/prestodb/presto

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djangoproject

@djangoproject · Post #174 · 09/22/2016, 07:16 PM

gc — #Garbage#Collector interface This module provides an interface to the #optional garbage collector. It provides the ability to disable the collector, tune the collection frequency, and set #debugging options. It also provides access to unreachable #objects that the collector found but cannot free. Since the collector supplements the reference counting already used in Python, you can disable the collector if you are sure your program does not create reference cycles. https://docs.python.org/3/library/gc.html