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From "Shawn Heisey (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SOLR-12224) there is no API to read collection properties
Date Sun, 15 Apr 2018 20:19:00 GMT

    [ https://issues.apache.org/jira/browse/SOLR-12224?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16438827#comment-16438827
] 

Shawn Heisey commented on SOLR-12224:
-------------------------------------

If collection properties are part of CLUSTERSTATUS, the response could potentially be quite
large.  If there are five hundred collections, each with a handful of properties, that's a
lot of information.  Somebody who's after a quick cluster-wide status response probably isn't
interested in all of that.  Gathering it will also increase the response time.

I think it is best to allow the existing COLLECTIONPROP action to return the properties when
the request is missing parameters, or create a new action specifically for listing them.

> there is no API to read collection properties
> ---------------------------------------------
>
>                 Key: SOLR-12224
>                 URL: https://issues.apache.org/jira/browse/SOLR-12224
>             Project: Solr
>          Issue Type: Bug
>      Security Level: Public(Default Security Level. Issues are Public) 
>          Components: SolrCloud
>    Affects Versions: 7.3
>            Reporter: Hendrik Haddorp
>            Priority: Major
>
> Solr 7.3 added the COLLECTIONPROP API call (https://lucene.apache.org/solr/guide/7_3/collections-api.html#collectionprop)
that allows to set arbitrary properties on a collection. There is however no API call that
returns the data. The only option is to manually read out the collectionprops.json file in
ZK below the collection.
> Options could be that the COLLECTIONPROP command has an option to retrieve properties,
have a special command to list the properties and/or to have the properties listed in the
clusterstatus output for a collection.
> Would be great if SolrJ would also be supported.



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