The official Apache archives:
- For browsing: http://mail-archives.apache.org/mod_mbox/#hadoop
- Raw mbox files: http://hadoop.apache.org/mail/
Several third parties provide excellent interfaces for searching or browsing the Hadoop mailing list archives:
- The Mail Archive (Search for "Hadoop")
- Nabble
- Gmane
- MarkMail
- Search-Hadoop.com - searches all Hadoop mailing lists, Wikis, web site, source code, javadoc, and JIRA
Please note the inclusion of a link to an archive does not imply an endorsement of that company by any of the committers of Hadoop, the Hadoop PMC or the Apache Software Foundation. Each archive owner is solely responsible for the contents and availability of their archive.