Have you tried different values for IndexWriter.mergeFactor? Setting it to 1000 gave me a 10* speed improvement on some large index some time ago. Not RAMDirectory though. Your mileage may vary.
-- Ian. Kurt Vaag wrote: > > I have been using Lucene for 3 weeks and it rules. > > The indexing process can be slow. So I searched the mailgroup archives > and found example code using RAMDirectory to improve indexing speed. > The example code I found was indexing 100,000 files at a time to the > RAMDirectory before writing to disk. > > I tried indexing 10,000 files at a time to the RAMDirectory before writing > to disk. This drastically improved indexing times but sometimes I get > "out of memory" errors. I am indexing text files and adding 9 fields from > an Oracle database. > > Environment: > Solaris 2.8 with 1G of ram and 2G of swap > Java 1.3.1 > Lucene 1.2-rc4 > > Any ideas for eliminating the "out of memory" errors ? -- To unsubscribe, e-mail: <mailto:[EMAIL PROTECTED]> For additional commands, e-mail: <mailto:[EMAIL PROTECTED]>
