I'm not 100% sure about this but looks like update processors may help? http://wiki.apache.org/solr/UpdateRequestProcessor
It looks like you can put in custom code to execute when certain actions happen so sounds like this is what you are looking for. Cheers Amit On Wed, Oct 24, 2012 at 8:43 AM, jefferyyuan <yuanyun...@gmail.com> wrote: > When some docs are deleted from Solr server, I want to execute some code - > for example, add an record such as {contentid, deletedat} to another solr > server or database. > > How can I do this through Solr or Lucene? > > Thanks for any reply and help :) > > > > -- > View this message in context: > http://lucene.472066.n3.nabble.com/Monitor-Deleted-Event-tp4015624.html > Sent from the Solr - User mailing list archive at Nabble.com.