There's nothing built into Solr that lets you do this automatically. About the best you can do is probably a delete by query going back some fixed time interval. So rather than keeping the last N documents, you keep documents that are, say, no more than 1 month old (or whatever you determine your interval is that allows you to keep around 1M docs around).
Then you'd have to monitor this on a running system to see how close you were to your target numbers.... Best Erick On Sun, Nov 13, 2011 at 1:23 PM, mikr00 <kruppa.mich...@gmail.com> wrote: > Hi Yury, > > thank you very much for your quick reply. Currently I have a timestamp field > (solr.DateField) and every time I add a document I use "NOW" for the > timestamp field. I only commit documents on the core every four hours. This > works fine with the timestamp since I can use "NOW". However, I couldn't > figure out, how to define some kind of auto-increment for a particular > field. I think I can't handle this from outside since I can have several > adds in parallel from different clients. So I was wondering, whether there > could be a field type that could actually automatically increase it's value > for each added (commited) document? So that I could use a placeholder like > "NOW" in the case of the DateField to indicate that I would like to > auto-increment the field. > > Cheers > > Michael > > -- > View this message in context: > http://lucene.472066.n3.nabble.com/Delete-by-Query-with-limited-number-of-rows-tp3503094p3504924.html > Sent from the Solr - User mailing list archive at Nabble.com. >
