OK, but why do you need to optimize before every swap? Have you tried with less frequent optimizes?
-- Ian. On Wed, Jul 30, 2008 at 3:00 PM, Dragon Fly <[EMAIL PROTECTED]> wrote: > I have two copies (active/inactive) of the index. Searches are executed > against the "active" index and new documents get added to the "inactive" > copy. The two indexes get swapped every 4 hours (so that new documents are > visible to the end user). Optimization is done before the inactive copy is > made active. > >> Date: Wed, 30 Jul 2008 14:54:03 +0100 >> From: [EMAIL PROTECTED] >> To: java-user@lucene.apache.org >> Subject: Re: Index optimization ... >> >> Why do you run an optimize every 4 hours? >> >> >> -- >> Ian. >> >> >> On Wed, Jul 30, 2008 at 2:46 PM, Dragon Fly <[EMAIL PROTECTED]> wrote: >> > Perhaps I didn't explain myself clearly so please let me try it again. >> > I'm happy with the search/indexing performance. However, my index gets >> > fully optimized every 4 hours and the time it takes to fully optimize the >> > index is longer than I like. Is there anything that I can do to speed up >> > the optimization? I don't fully understand the different parameters (e.g. >> > merge factor). If I decrease the merge factor, would it make the indexing >> > slower (which I'm OK with) but the optimization faster? Thank you. >> > >> >> Date: Tue, 29 Jul 2008 08:32:46 +0200 >> >> From: [EMAIL PROTECTED] >> >> To: java-user@lucene.apache.org >> >> Subject: Re: Index optimization ... >> >> >> >> John Griffin: >> >> > Use IndexWriter.setRAMBufferSizeMB(double mb) and you won't have to >> >> > sacrifice anything. It defaults to 16.0 MB so depending on the size of >> >> > your >> >> > index you may want to make it larger. Do some testing at various values >> >> > to >> >> > see where the sweet spot is. >> >> > >> >> >> >> Also, have a look at >> >> http://wiki.apache.org/lucene-java/ImproveIndexingSpeed, which provides >> >> a range of helping advices in terms of enhanced indexing speed. >> >> >> >> -- >> >> Asbjørn A. Fellinghaug >> >> [EMAIL PROTECTED] >> >> >> >> --------------------------------------------------------------------- >> >> To unsubscribe, e-mail: [EMAIL PROTECTED] >> >> For additional commands, e-mail: [EMAIL PROTECTED] >> >> >> > >> > _________________________________________________________________ >> > With Windows Live for mobile, your contacts travel with you. >> > http://www.windowslive.com/mobile/overview.html?ocid=TXT_TAGLM_WL_mobile_072008 >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: [EMAIL PROTECTED] >> For additional commands, e-mail: [EMAIL PROTECTED] >> > > _________________________________________________________________ > With Windows Live for mobile, your contacts travel with you. > http://www.windowslive.com/mobile/overview.html?ocid=TXT_TAGLM_WL_mobile_072008 --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]