#hdfsUnmoderated tagAll postsTrending CommunitiesSteemitCryptoAcademyNewcomers' Communityআমার বাংলা ব্লগKorea • 한국 • KR • KOSteem POD TeamSTEEM CN/中文AVLE 일상Tron Fan ClubSteem AllianceWORLD OF XPILARComunidad LatinaBeauty of CreativityExplore Communities...#hdfsTrendingHotNewPayoutsMutedamirdhagopal (25)in #big-data • 5 years agoImport 1 billion records from Oracle to HDFS in a record timeThe problem: A large scale manufacturing organization aggregates data from different sources, maintains it in a…ywzqwwt (25)in #hdfs • 7 years agohdfs数据迁移确保被迁移的服务器(HDFS)新创建的文件夹权限是777。2.确保被迁移的服务器namenode、datanode、yarn的进程都在，迁移过程中跑map。3.同一版本迁移：bin/hadoop distcp…