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1). Topologies Storm 运行任务的逻辑单元,由 spouts、bolts 构成的有向图。
2). Tuples Storm中的基础数据结构,可以包含下面数据结构:integers, longs, shorts, bytes, strings, doubles, floats, booleans, and byte arrays, 此外,可以通过序列化(serializers )实现自定义类型的支持;
integers, longs, shorts, bytes, strings, doubles, floats, booleans, and byte arrays
3). Spouts 数据源,从外部读取数据,传递到 Topologies 内部;
4). Bolts 数据处理单元,Topologies中所有处理都在此进行;
5). Streams 由一组 tuples 构成,Storm的数据流
6). Stream groupings 决定Stream如何分发到bolts,每一种组别对应一种数据传递的策略,目前,Storm中内置了 8 种分组策略:
7). Reliability
Storm保证每个数据流在 topology 中会被完全的传递和处理;
8). Tasks & Workers
Topologies 运行多个工作线程,所有的有作线程均分执行task。
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基础概念
1). Topologies
Storm 运行任务的逻辑单元,由 spouts、bolts 构成的有向图。
2). Tuples
Storm中的基础数据结构,可以包含下面数据结构:
integers, longs, shorts, bytes, strings, doubles, floats, booleans, and byte arrays
, 此外,可以通过序列化(serializers )实现自定义类型的支持;3). Spouts
数据源,从外部读取数据,传递到 Topologies 内部;
4). Bolts
数据处理单元,Topologies中所有处理都在此进行;
5). Streams
由一组 tuples 构成,Storm的数据流
6). Stream groupings
决定Stream如何分发到bolts,每一种组别对应一种数据传递的策略,目前,Storm中内置了 8 种分组策略:
7). Reliability
Storm保证每个数据流在 topology 中会被完全的传递和处理;
8). Tasks & Workers
Topologies 运行多个工作线程,所有的有作线程均分执行task。
参考
The text was updated successfully, but these errors were encountered: