Return-Path: Delivered-To: apmail-lucene-java-user-archive@www.apache.org Received: (qmail 17003 invoked from network); 28 Apr 2007 00:03:53 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.2) by minotaur.apache.org with SMTP; 28 Apr 2007 00:03:53 -0000 Received: (qmail 16414 invoked by uid 500); 28 Apr 2007 00:03:53 -0000 Delivered-To: apmail-lucene-java-user-archive@lucene.apache.org Received: (qmail 16339 invoked by uid 500); 28 Apr 2007 00:03:53 -0000 Mailing-List: contact java-user-help@lucene.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: java-user@lucene.apache.org Delivered-To: mailing list java-user@lucene.apache.org Received: (qmail 16328 invoked by uid 99); 28 Apr 2007 00:03:52 -0000 Received: from herse.apache.org (HELO herse.apache.org) (140.211.11.133) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 27 Apr 2007 17:03:52 -0700 X-ASF-Spam-Status: No, hits=0.0 required=10.0 tests= X-Spam-Check-By: apache.org Received-SPF: neutral (herse.apache.org: local policy) Received: from [169.229.70.167] (HELO rescomp.berkeley.edu) (169.229.70.167) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 27 Apr 2007 17:03:45 -0700 Received: by rescomp.berkeley.edu (Postfix, from userid 1007) id 628DE5B784; Fri, 27 Apr 2007 17:03:25 -0700 (PDT) Received: from localhost (localhost [127.0.0.1]) by rescomp.berkeley.edu (Postfix) with ESMTP id 5C28F7F403 for ; Fri, 27 Apr 2007 17:03:25 -0700 (PDT) Date: Fri, 27 Apr 2007 17:03:25 -0700 (PDT) From: Chris Hostetter To: java-user@lucene.apache.org Subject: Re: filter caching In-Reply-To: <46311B9E.6000500@affinitycircles.com> Message-ID: References: <46311B9E.6000500@affinitycircles.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-Virus-Checked: Checked by ClamAV on apache.org : I have a question about filter caching. I have a lot of QueryFilters : that I use when searching that filter on a single field. Sometimes : alone I use them by themselves, but mostly I use them in some : combination using ChainedFilter. Does the caching take advantage of : only the final filter that used in the query, or would a ChainedFilter : (say 'A and B and C') make use of the cached versions of the single : field QueryFilters A,B and C and just combine their bitsets? the individual QueryFilter's cache themselves, if you want a ChainedFilter composed of those QueryFilter's to be cached you should wrap it in a CachingWrapperFilter. -Hoss --------------------------------------------------------------------- To unsubscribe, e-mail: java-user-unsubscribe@lucene.apache.org For additional commands, e-mail: java-user-help@lucene.apache.org