文章浏览阅读188次。Linux mount BSD disk partition来源 https://www.cnblogs.com/jhcelue/p/6858159.html假设须要从第二块硬盘复制文件。该硬盘格式化为UFS 2文件系统。怎样mount 由FreeBSD创建的UFS 2文件系统到Ubuntu系统上呢?UFS文件系统广泛的使用......
文章浏览阅读129次。Hive分析窗口函数一数据准备cookie1,2015-04-10,1cookie1,2015-04-11,5cookie1,2015-04-12,7cookie1,2015-04-13,3cookie1,2015-04-14,2cookie1,2015-04-15,4cookie1,2015-04-16,4创建数据库及表create database if not exists cookie;use cookie;drop table if exists cook._......
select * from ( select row_number() over(partition by Gid order by Gid ASC) as RowN, * from( select b.Gid, a.OrderNo,b.Carcode from fit_CarOrder a inner join Fit_......
文章浏览阅读131次。Shuffle operations Spark中的某些操作会触发一个称为shuffle的事件。shuffle是Spark重新分布数据的机制, The shuffle is Spark’s mechanism for re-distributing data so that it’s grouped differently across partitions。这通常涉及复制数......