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Hive常见优化 一、数据倾斜 1、什么是数据倾斜?Hadoop 框架的特性决定最怕数据倾斜
数据
reduce
map
Reduce
倾斜
分布
均衡
活动
Group
distinct
2019-12-08
资源下载/
hive
13
上篇5分钟深入 Hadoop 的文章中,我们介绍了如何优化输入处理,让 Hadoop 达到更高的性能
Shuffle
reduce
阶段
function
ke
key
Hadoop
优化
map
pair
2019-12-08
资源下载/
hadoop其他
11
Hive优化 要点:优化时,把hive sql当做map reduce程序来读,会有意想不到的惊喜。
数据
倾斜
优化
解决
方法
效率
count
作业
关联
业务
2019-12-08
资源下载/
hive
11
MME 的鉴权和加密过程 鉴权流程的目的是由 HSS向 MME 提供 EPS鉴权向量 (RAND,
UE
网络
鉴权
消息
XRES
MME
HSS
长度
MM
KASME
2020-08-14
资源下载/
云鉴权
10
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2019-12-08
资源下载/
云鉴权
11
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