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https://issues.apache.org/jira/browse/SOLR-16699?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17700176#comment-17700176
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David Smiley commented on SOLR-16699:
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It's possible to hit Solr's ZK oriented APIs for this as was done in SOLR-15062
(CC [~noble.paul]) but that is less efficient than returning it directly from
COLSTATUS when multiple / all collections are listed. That API is also lower
level; the proposal here is to elevate this bit of metadata in particular,
named something like "creationTime" rather than use ZK terminology that
reflects implementation details.
> Expose collection creation time from COLSTATUS API
> --------------------------------------------------
>
> Key: SOLR-16699
> URL: https://issues.apache.org/jira/browse/SOLR-16699
> Project: Solr
> Issue Type: Improvement
> Security Level: Public(Default Security Level. Issues are Public)
> Reporter: David Smiley
> Priority: Major
>
> The COLSTATUS (collection status) admin API does not return the creation time
> of the collection, which is interesting/useful for diagnostics. This
> information exists already by virtue of ZooKeeper having a "ctime" metadata
> in each node. I propose that it be exposed.
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