: We don't mind having an occasional long delay between commiting data and : being able to find that data, as long as the average is somewhere south of a : second or so, and Lucene's NRS looks like it will provides that level of : 'realtimeness'.
an average 500ms "lag until visible" is totally feasible with Solr 1.4 -- provided you aren't using replication (or are using super fast replication) and provided you don't need a lot of cache warming (which requires a trade off in terms of how fast the searches themselves are) given all that, the one thing you might need to worry about is tweaking the merge settings (and maybe the MergeScheduler) to ensure that your pathalogical worst case scenerio (ie: a really big merge) doens't block your commits. -Hoss
