Too many open files Error on Lucene

Question

The project I\'m working on is indexing a certain number of data (with long texts) and comparing them with list of words per interval (about 15 to 30 minutes).

After som

Answer 1

You need to double check if ulimit value has actually been persisted and set to a proper value (whatever maximum is).

It is very likely that your app is not closing index readers/writers properly. I've seen many stories like this in the Lucene mailing list and it was almost always the user app which was to blame, not the Lucene itself.