Hi Debraj, I think this nice article [1] from Yonik could be helpful. Andrea
[1] http://yonik.com/solr/optimistic-concurrency/ 2015-12-14 18:17 GMT+01:00 Debraj Manna <subharaj.ma...@gmail.com>: > We have a use case in which there are multiple clients writing concurrently > to solr. Each of the doc is having an 'timestamp' field which indicates > when these docs were generated. > > We also have to ensure that any old doc doesn't overwrite any new doc in > solr. So to achieve this we were thinking if we can make use of the > _version field in solr doc and set the _version field equal to the > 'timestamp' field that is present in each doc. > > Can someone let me know if the approach that we thought can be done? If not > can someone suggest some other approach of achieving the same with minimum > calls to solr? >