Uhm... Ok... I just did a quick Google search on Hadoop and Derby... https://issues.apache.org/jira/browse/HADOOP-4133
Then there's this subproject called Hive... :-) Oh and then there's this other subproject called Oozie... :-) Now Cloudera and other support MySQL in the role of Derby aka Cloudscape aka JavaDB. Here's a link to a blog on setting up MySQL... http://www.mazsoft.com/blog/post/2010/02/01/Setting-up-HadoopHive-to-use-MySQL-as-metastore.aspx :-) -----Original Message----- From: Harsh J [mailto:ha...@cloudera.com] Sent: Tuesday, August 09, 2011 2:12 PM To: common-dev@hadoop.apache.org Subject: Re: Architectural Questions Hadoop doesn't use derby. It does, however, use HSQLDB for its external DB I/O and example components. On Tue, Aug 9, 2011 at 3:43 PM, JSaravanaKumar <saravana.had...@gmail.com> wrote: > > can you please help me in understanding Why Derby is used along with Hadoop ? > -- > View this message in context: > http://old.nabble.com/Architectural-Questions-tp32224940p32224940.html > Sent from the Hadoop core-dev mailing list archive at Nabble.com. > > -- Harsh J The information contained in this communication may be CONFIDENTIAL and is intended only for the use of the recipient(s) named above. If you are not the intended recipient, you are hereby notified that any dissemination, distribution, or copying of this communication, or any of its contents, is strictly prohibited. If you have received this communication in error, please notify the sender and delete/destroy the original message and any copy of it from your computer or paper files.
