/admin/luke can give you a lastModified time stamp.  The Solr admin UI makes a 
request to display this on the core overview screen, making a request like 
this:  
http://localhost:8983/solr/<core>/admin/luke?wt=json&show=index&numTerms=0 
<http://localhost:8983/solr/%3Ccore%3E/admin/luke?wt=json&show=index&numTerms=0>

and the index section of the response has this:  
lastModified: "2015-09-03T15:17:22.708Z"
Does that help?

—
Erik Hatcher, Senior Solutions Architect
http://www.lucidworks.com <http://www.lucidworks.com/>




> On Sep 3, 2015, at 3:52 PM, Renee Sun <renee_...@mcafee.com> wrote:
> 
> I will need to figure out when was last index activity on a core. 
> 
> I can't use [corename]/index timestamp, because it only reflex the file
> deletion or addition, not file update.
> 
> I am curious if any solr core admin RESTful api sort of thing thing I can
> use to get last modified timestamp on physical index ...
> 
> Thanks
> Renee
> 
> 
> 
> --
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