You are probably right.
Hopefully I'll get a chance to look at this today.
Thanks..
Zheng Shao wrote:
Looks like a lzo codec problem. Can you try a simple mapreduce program
outputs to lzo compression and the same output file format as you hive
table?
On 2/9/10, Bennie Schut <[email protected]> wrote:
I have a bit of an edge case on using lzo which I think might be related
to HIVE-524.
When running a query like this:
select distinct login_cldr_id as cldr_id from chatsessions_load;
I get a java.io.IOException:java.io.EOFException without much of a
description.
I know the output should be a single value and noticed it decided to use
2 reducers.
One of the reducers produced a 0 byte file which I imagine will be the
cause of the IOException. It I do "set mapred.reduce.tasks=1" it works
correctly since there is no 0 byte file anymore.
I also noticed when using gzip I don't see this problem at all.
Since I use
