Hadoop & Hive as warehouse: daily data deliveries -


i evaluating combination of hadoop & hive (& impala) repolacement large data warehouse. set version , performance great in read access.

can give me hint concept should used daily data deliveries table? have table in hive based on file put hdfs. have on daily basis new transactional data coming in. how add them ti table in hive. inserts not possible. hdfs cannot append. whats gernal concept need follow.

any advice or direction documentation appreciated.

best regards!

 inserts not possible 

inserts possible ,like can create new table , insert data new table old table.

but simple solution can load data of file hive table below command.

load data inpath '/filepath' [overwrite] table tablename; 

if use overwrite existing data replced new data otherwise appending only.

you can schedule script creating shell script.


Comments

Popular posts from this blog

c# - Send Image in Json : 400 Bad request -

javascript - addthis share facebook and google+ url -

ios - Show keyboard with UITextField in the input accessory view -