However I am not writing directly to the table partition. Instead, I first write
my data in a tmp directory (eventually moved to the hdfs table partition) and
then publish that partition using alter table statement in metastore.
Something like this:
-- create table x ... stored as SeqFile
-- insert overwrite directory 'd' select * from table y
-- distcp 'd' x/dateint=.../hour=...
-- alter table x add partition ....
In the second step above I need to produce SeqFile.
Thanks for prompt reply.
Gaurav Jain
----- Original Message ----
From: Yang <teddyyyy123@gmail.com>
To: jainy_gaurav@yahoo.com
Sent: Wed, October 6, 2010 1:28:42 PM
Subject: Re: How to output SeqFile
Gaurav:
not sure if I understand your question correctly....
when you create the output table, that has an option to set the
output table SerDe
Regards
Yang
On Wed, Oct 6, 2010 at 1:18 PM, gaurav jain wrote:
How can I produce a sequence file from query
insert overwrite directory ....
I have set:
SET io.seqfile.compression.type=BLOCK;
SET hive.exec.compress.output=true;
set mapred.output.compression.type=BLOCK;
set mapred.output.compression.codec=org.apache.hadoop.io.compress.GzipCodec;
It seems to produce Text .gz format files.
Regards,
Gaurav Jain
How can I produce a sequence file from query
insert overwrite directory ....
I have set:
SET io.seqfile.compression.type=BLOCK;
SET hive.exec.compress.output=true;
set mapred.output.compression.type=BLOCK;
set mapred.output.compression.codec=org.apache.hadoop.io.compress.GzipCodec;
It seems to produce Text .gz format files.
Regards,
Gaurav Jain
