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Posted to issues@solr.apache.org by "Vincent Primault (Jira)" <ji...@apache.org> on 2023/10/16 15:14:00 UTC
[jira] [Commented] (SOLR-15782) Configure custom node/container handlers in solr.xml
[ https://issues.apache.org/jira/browse/SOLR-15782?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17775799#comment-17775799 ]
Vincent Primault commented on SOLR-15782:
-----------------------------------------
As I do need this feature, I gave it a stab: [https://github.com/apache/solr/pull/2016]
I copy/paste here the questions it raised to me while implementing it:
{quote}Do we envision having non-cloud container-level plugins, as this PR opens the way to? I am tempted to say it can be useful, but I don't know the original intention behind those plugins.{quote}
{quote}There is a mixed terminology of container plugins and cluster plugins, both in the docs and in the code. Related to my previous point, "container plugins" hints at the possibility of non-cloud plugins, while "cluster plugins" gets a rid of this hypothesis.{quote}
> Configure custom node/container handlers in solr.xml
> ----------------------------------------------------
>
> Key: SOLR-15782
> URL: https://issues.apache.org/jira/browse/SOLR-15782
> Project: Solr
> Issue Type: Improvement
> Reporter: David Smiley
> Priority: Major
> Time Spent: 40m
> Remaining Estimate: 0h
>
> Since Solr 8.6 via SOLR-14404, it's been possible to define custom node/CoreContainer request handlers. However, the current mechanism requires the use of cluster properties (in ZooKeeper). That allows for dynamic registration (cool) but it's awkward to pre-define them – it doesn't comply with an [immutable infrastructure|https://www.bmc.com/blogs/immutable-infrastructure/] philosphy where node handlers can be defined by configuration local to the Solr node. That's solr.xml. So here, I propose that node handlers be defined there, perhaps the same as is done in solrconfig.xml.
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