From java-dev-return-28594-apmail-lucene-java-dev-archive=lucene.apache.org@lucene.apache.org Wed Nov 19 22:36:38 2008 Return-Path: Delivered-To: apmail-lucene-java-dev-archive@www.apache.org Received: (qmail 83406 invoked from network); 19 Nov 2008 22:36:37 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.2) by minotaur.apache.org with SMTP; 19 Nov 2008 22:36:37 -0000 Received: (qmail 70297 invoked by uid 500); 19 Nov 2008 22:36:43 -0000 Delivered-To: apmail-lucene-java-dev-archive@lucene.apache.org Received: (qmail 70243 invoked by uid 500); 19 Nov 2008 22:36:43 -0000 Mailing-List: contact java-dev-help@lucene.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: java-dev@lucene.apache.org Delivered-To: mailing list java-dev@lucene.apache.org Received: (qmail 70234 invoked by uid 99); 19 Nov 2008 22:36:43 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 19 Nov 2008 14:36:43 -0800 X-ASF-Spam-Status: No, hits=-2000.0 required=10.0 tests=ALL_TRUSTED X-Spam-Check-By: apache.org Received: from [140.211.11.140] (HELO brutus.apache.org) (140.211.11.140) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 19 Nov 2008 22:35:29 +0000 Received: from brutus (localhost [127.0.0.1]) by brutus.apache.org (Postfix) with ESMTP id 9E91D234C2A3 for ; Wed, 19 Nov 2008 14:35:44 -0800 (PST) Message-ID: <5537512.1227134144648.JavaMail.jira@brutus> Date: Wed, 19 Nov 2008 14:35:44 -0800 (PST) From: "Mark Miller (JIRA)" To: java-dev@lucene.apache.org Subject: [jira] Commented: (LUCENE-831) Complete overhaul of FieldCache API/Implementation In-Reply-To: <19567919.1173857169285.JavaMail.jira@brutus> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Virus-Checked: Checked by ClamAV on apache.org [ https://issues.apache.org/jira/browse/LUCENE-831?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12649188#action_12649188 ] Mark Miller commented on LUCENE-831: ------------------------------------ Also - your reopen time will vary greatly depending on how many segments need to be reopened and what size they are...so I think a lower merge factor would help, while hurting overall search speed of course. > Complete overhaul of FieldCache API/Implementation > -------------------------------------------------- > > Key: LUCENE-831 > URL: https://issues.apache.org/jira/browse/LUCENE-831 > Project: Lucene - Java > Issue Type: Improvement > Components: Search > Reporter: Hoss Man > Fix For: 3.0 > > Attachments: fieldcache-overhaul.032208.diff, fieldcache-overhaul.diff, fieldcache-overhaul.diff, LUCENE-831.03.28.2008.diff, LUCENE-831.03.30.2008.diff, LUCENE-831.03.31.2008.diff, LUCENE-831.patch, LUCENE-831.patch, LUCENE-831.patch > > > Motivation: > 1) Complete overhaul the API/implementation of "FieldCache" type things... > a) eliminate global static map keyed on IndexReader (thus > eliminating synch block between completley independent IndexReaders) > b) allow more customization of cache management (ie: use > expiration/replacement strategies, disk backed caches, etc) > c) allow people to define custom cache data logic (ie: custom > parsers, complex datatypes, etc... anything tied to a reader) > d) allow people to inspect what's in a cache (list of CacheKeys) for > an IndexReader so a new IndexReader can be likewise warmed. > e) Lend support for smarter cache management if/when > IndexReader.reopen is added (merging of cached data from subReaders). > 2) Provide backwards compatibility to support existing FieldCache API with > the new implementation, so there is no redundent caching as client code > migrades to new API. -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online. --------------------------------------------------------------------- To unsubscribe, e-mail: java-dev-unsubscribe@lucene.apache.org For additional commands, e-mail: java-dev-help@lucene.apache.org