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https://issues.apache.org/jira/browse/SOLR-12224?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16441384#comment-16441384
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Shawn Heisey commented on SOLR-12224:
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I should probably check to see what is in CLUSTERSTATUS.
(final jeopardy music)
I see your point now. It already has detailed information about every
collection, so adding cluster properties is not unreasonable.
Somebody with a really large cloud is already going to be expecting
CLUSTERSTATUS to take a while. The amount of extra time needed to gather
property info would not be horrible.
This isn't what I would have expected from a status action on a whole cluster,
but then I remember that this is basically everything that clusterstate.json
used to hold in 4.x (plus a little more added in later versions), so from a
developer perspective, the direct conversion of clusterstate.json to
CLUSTERSTATUS actually does make sense.
I haven't closely examined the v2 API yet, so I'm not going to comment there.
> 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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