Andy Lester created SOLR-15885:
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             Summary: Document the fields returned by STATUS in the CoreAdmin 
API
                 Key: SOLR-15885
                 URL: https://issues.apache.org/jira/browse/SOLR-15885
             Project: Solr
          Issue Type: Improvement
      Security Level: Public (Default Security Level. Issues are Public)
          Components: documentation
            Reporter: Andy Lester


The docs for CoreAdmin API 
(https://solr.apache.org/guide/8_11/coreadmin-api.html) don't explain what the 
fields coming back from the STATUS call are. Some seem self-explanatory, but 
some aren't.

 

{{{}}
{{  "name": "scratch",}}
{{  "dataDir": "/var/solr/data/scratch/data/",}}
{{  "numdocs": 42582139,}}
{{  "size": "28.06 GB",}}
{{  "sizeInBytes": 30126369712,}}
{{  "lastModified": "2021-12-08T22:07:05.133Z",}}
{{  "current": true,}}
{{  "version": 43463}}
{{}}}

 

Specifically, the meaning of "current" and "version" are not explained. If 
these refer back to Lucene-based concepts, we should explain them briefly here 
and point to the relevant Lucene docs, or to the appropriate Solr docs. 
([https://lucene.apache.org/core/8_8_1/core/org/apache/lucene/index/DirectoryReader.html)]

What exactly does "current" mean from the Solr user's perspective. Does it mean 
that there are no updates waiting to be committed, and that all I have to do is 
force a commit? Is there more to it?

Is there anything useful that can be done with that version number? What 
exactly increments it? A link to relevant docs should be enough if it's covered 
elsewhere.

 



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