[jira] [Commented] (KUDU-3307) Update Kudu docker entry script to take data directories parameter

["ASF subversion and git services (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/KUDU-3307?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17390733#comment-17390733 ] 

ASF subversion and git services commented on KUDU-3307:
-------------------------------------------------------

Commit e7cd1f6cfab4d8448ad4ebd834727c83f23f4899 in kudu's branch refs/heads/master from Andrew Wong
[ https://gitbox.apache.org/repos/asf?p=kudu.git;h=e7cd1f6 ]

[docker] KUDU-3307: allow using multiple directories

Previously, the Docker entrypoint would by default use a single root
directory, suffixed with either 'master' or 'tserver'. This makes it a
poor fit for production systems that may want to use Docker, since most
reasonable deployments use multple data directories, and don't colocate
WALs and data.

This patch adds a couple of environment variables to the entrypoint,
FS_WAL_DIR and FS_DATA_DIRS, that map directly to the --fs_wal_dir and
--fs_data_dirs gflags that Kudu masters and tservers know and love.

To maintain compatibility with existing guides, the existing single-root
DATA_DIR remains, but the new environment variables, if set, take
precedence.

Change-Id: I20e5f75c1f1f8280dca60de75255a4a948e44be1
Reviewed-on: http://gerrit.cloudera.org:8080/17738
Tested-by: Kudu Jenkins
Reviewed-by: Bankim Bhavsar <ba...@cloudera.com>


> Update Kudu docker entry script to take data directories parameter
> ------------------------------------------------------------------
>
>                 Key: KUDU-3307
>                 URL: https://issues.apache.org/jira/browse/KUDU-3307
>             Project: Kudu
>          Issue Type: Improvement
>          Components: docker
>            Reporter: Bankim Bhavsar
>            Assignee: Abhishek
>            Priority: Major
>              Labels: newbie
>
> Current docker entry point script takes environment variable {{DATA_DIR}}. However it's expected to be a single directory and that's supplied as {{-fs_wal_dir}} and not as one would expect {{-fs_data_dirs}}.
> [https://github.com/apache/kudu/blob/master/docker/kudu-entrypoint.sh#L41]
> [https://github.com/apache/kudu/blob/master/docker/kudu-entrypoint.sh#L57-L59]
> We need to make updates to the entry script to be able to supply separate configuration for data directories. Need to ensure these directories are either created in the script or possibly within kudu server.



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