The file is completely reloaded when you commit or optimize. There is no incremental update available. And, yes, this could be a scaling problem.
How you update it is completely external to Solr. On Sat, Aug 28, 2010 at 2:50 AM, Andy <angelf...@yahoo.com> wrote: > I'm interested in using ExternalFileField to store a field "popularity" that > is being updated frequently. > > However ExternalFileField seems to be a pretty obscure feature. Have a few > questions: > > 1) Can anyone share your experience using it? > > 2) What is the most efficient way to update the external file? > For example, the file could look like: > > 1=12 // the document with uniqueKey 1 has a popularity of 12// > 2=4 > 3=45 > 5=78 > > Now the popularity of document 1 is updated to 13: > > - What is the best way to update the file to reflect the change? Isn't this > an O(n) operation? > - How to deal with concurrent updates to the file by multiple threads? > > Would this method of using an external file scale? > > Thanks. > > > > -- Lance Norskog goks...@gmail.com
