suneet-s commented on a change in pull request #9171: Doc update for the new input source and the new input format URL: https://github.com/apache/druid/pull/9171#discussion_r367138675
########## File path: docs/development/extensions-core/hdfs.md ########## @@ -36,49 +36,105 @@ To use this Apache Druid extension, make sure to [include](../../development/ext |`druid.hadoop.security.kerberos.principal`|`[email protected]`| Principal user name |empty| |`druid.hadoop.security.kerberos.keytab`|`/etc/security/keytabs/druid.headlessUser.keytab`|Path to keytab file|empty| -If you are using the Hadoop indexer, set your output directory to be a location on Hadoop and it will work. +Besides the above settings, you also need to include all Hadoop configuration files (such as `core-site.xml`, `hdfs-site.xml`) +in the Druid classpath. One way to do this is copying all those files under `${DRUID_HOME}/conf/_common`. + +If you are using the Hadoop ingestion, set your output directory to be a location on Hadoop and it will work. If you want to eagerly authenticate against a secured hadoop/hdfs cluster you must set `druid.hadoop.security.kerberos.principal` and `druid.hadoop.security.kerberos.keytab`, this is an alternative to the cron job method that runs `kinit` command periodically. -### Configuration for Google Cloud Storage +### Configuration for Cloud Storage + +You can also use the AWS S3 or the Google Cloud Storage as the deep storage via HDFS. + +#### Configuration for AWS S3 Review comment: Sorry, please ignore I see that the hadoop-aws module needs to be added - mentioned below ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: [email protected] With regards, Apache Git Services --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
