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Posted to issues@lucene.apache.org by "David Wayne Smiley (Jira)" <ji...@apache.org> on 2019/10/04 14:00:00 UTC
[jira] [Commented] (SOLR-11508) Make coreRootDirectory configurable
via an environment variable (SOLR_CORE_HOME)
[ https://issues.apache.org/jira/browse/SOLR-11508?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16944519#comment-16944519 ]
David Wayne Smiley commented on SOLR-11508:
-------------------------------------------
This issue has been re-focused to something very straight-forward and I think non-controversial. Just add a SOLR_CORE_HOME env var option to an existing coreRootDirectory setting. And probably explicitly declare this setting in the default solr.xml with a Java sys prop -- something already done for tests.
I agree on a key point Shawn makes -- 3 settings is confusing. We can/should do better. Maybe a new thread on the dev list is where we should have further discussion instead of this issue, since it's distracting here.
> Make coreRootDirectory configurable via an environment variable (SOLR_CORE_HOME)
> --------------------------------------------------------------------------------
>
> Key: SOLR-11508
> URL: https://issues.apache.org/jira/browse/SOLR-11508
> Project: Solr
> Issue Type: Bug
> Reporter: Marc Morissette
> Priority: Major
>
> (Heavily edited)
> Since Solr 7, it is possible to store Solr cores in separate disk locations using solr.data.home (see SOLR-6671). This is very useful when running Solr in Docker where data must be stored in a directory which is independent from the rest of the container.
> While this works well in standalone mode, it doesn't in Cloud mode as the core.properties automatically created by Solr are still stored in coreRootDirectory and cores created that way disappear when the Solr Docker container is redeployed.
> The solution is to configure coreRootDirectory to an empty directory that can be mounted outside the Docker container.
> The incoming patch makes this easier to do by allowing coreRootDirectory to be configured via a solr.core.home system property and SOLR_CORE_HOME environment variable.
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