> It would be vastly preferable if Solr could just exit when it gets a memory > error, because we have it running under daemontools, and that would cause > an automatic restart. -XX:OnOutOfMemoryError="<cmd args>; <cmd args>" Run user-defined commands when an OutOfMemoryError is first thrown.
> Does Solr require the entire index to fit in memory at all times? No. But it's hard to say about your particular problem without additional information. How often do you commit? Do you use faceting? Do you sort by Solr fields and if yes what are those fields? And you should also check caches.
