hadoop-common-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Edward Capriolo" <edlinuxg...@gmail.com>
Subject Re: When I system.out.println() in a map or reduce, where does it go?
Date Wed, 10 Dec 2008 23:06:18 GMT
Also be careful when you do this. If you are running map/reduce on a
large file the map and reduce operations will be called many times.
You can end up with a lot of output. Use log4j instead.

View raw message