IndexWriter doesn't require refreshing... just keep it open forever. It'll run it's own merges when needed (see the MergePolicy/Scheduler).
Just call .commit() when you want changes to be durable (survive OS/JVM crash, power loss, etc.). Mike McCandless http://blog.mikemccandless.com On Mon, Feb 13, 2012 at 1:17 PM, Cheng <zhoucheng2...@gmail.com> wrote: > Hi, > > My application will go on for ever. When is good time to refresh the writer > (and merge the segments)? > > Thanks --------------------------------------------------------------------- To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org For additional commands, e-mail: java-user-h...@lucene.apache.org