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https://issues.apache.org/jira/browse/HDDS-1567?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16865767#comment-16865767
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Eric Yang commented on HDDS-1567:
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[~elek]
{quote}What is the "TAGs format"?{quote}
I was referring to TAGs in [your
statement|https://issues.apache.org/jira/browse/HDDS-1567?focusedCommentId=16861843&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-16861843].
{code}
OZONE-SITE.XML_ozone.om.http-address=om:9874
{code}
Are you calling this tag?
{quote}And what is a global variable?{quote}
A global variable is a environment variable that override multiple tags. For
example:
OZONE-SITE.XML_ozone.om.address=om
OZONE-SITE.XML_ozone.om.http-address=om:9874
It may be useful to define OM_HOST=om
OM_HOST will map to
OZONE-SITE.XML_ozone.om.address=${OM_HOST}
OZONE-SITE.XML_ozone.om.http-address=${OM_HOST}:9874
System admin can define OM_HOST more effortlessly without looking through large
dictionary of key value pair in docker-config.
> Define a set of environment variables to configure Ozone docker image
> ---------------------------------------------------------------------
>
> Key: HDDS-1567
> URL: https://issues.apache.org/jira/browse/HDDS-1567
> Project: Hadoop Distributed Data Store
> Issue Type: Sub-task
> Reporter: Eric Yang
> Priority: Major
>
> For developer that tries to setup docker image by end for testing purpose, it
> would be nice to predefine a set of environment variables that can be passed
> to Ozone docker image to configure the minimum set of configuration to start
> Ozone containers. There is a python script that converts environment
> variables to config, but documentation does not show what setting can be
> passed to configure the system. This task would be a good starting point to
> document the available configuration knobs.
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