Return-Path: X-Original-To: apmail-lucene-java-user-archive@www.apache.org Delivered-To: apmail-lucene-java-user-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 1FAA4BC64 for ; Sat, 31 Dec 2011 08:32:17 +0000 (UTC) Received: (qmail 94878 invoked by uid 500); 31 Dec 2011 08:32:15 -0000 Delivered-To: apmail-lucene-java-user-archive@lucene.apache.org Received: (qmail 94102 invoked by uid 500); 31 Dec 2011 08:32:00 -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 94086 invoked by uid 99); 31 Dec 2011 08:31:57 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Sat, 31 Dec 2011 08:31:57 +0000 X-ASF-Spam-Status: No, hits=1.6 required=5.0 tests=FREEMAIL_ENVFROM_END_DIGIT,HTML_MESSAGE,RCVD_IN_DNSWL_LOW,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (nike.apache.org: domain of zhoucheng2008@gmail.com designates 209.85.220.176 as permitted sender) Received: from [209.85.220.176] (HELO mail-vx0-f176.google.com) (209.85.220.176) by apache.org (qpsmtpd/0.29) with ESMTP; Sat, 31 Dec 2011 08:31:49 +0000 Received: by vcbfl13 with SMTP id fl13so16046631vcb.35 for ; Sat, 31 Dec 2011 00:31:28 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=mime-version:date:message-id:subject:from:to:content-type; bh=PbI0Uy5ZN2uY0j4FHo9ql3BPG5MS+N2wHL+5Wj9sR/0=; b=YJr9oGa5kmoX7jCNzpgwtBSbthtrz9Ecf1B/tjP4QEOtDgqJ5hGRUbl3OoRpEtaZpV Zsc60J8yghEsLsBSLgYBuHD6MWCVmcX5uq5gWbcuftdaeq16rcWSFAahA/FGqYOfZXp6 IFPMgtoy9a2getKIl6AKLMKaR9vUF8F7fQJkE= MIME-Version: 1.0 Received: by 10.220.155.147 with SMTP id s19mr24234403vcw.14.1325320288716; Sat, 31 Dec 2011 00:31:28 -0800 (PST) Received: by 10.52.18.141 with HTTP; Sat, 31 Dec 2011 00:31:28 -0800 (PST) Date: Sat, 31 Dec 2011 03:31:28 -0500 Message-ID: Subject: How to save in-memory index into disk From: Cheng To: java-user@lucene.apache.org Content-Type: multipart/alternative; boundary=f46d043c7cf005c77e04b55f2dc2 X-Virus-Checked: Checked by ClamAV on apache.org --f46d043c7cf005c77e04b55f2dc2 Content-Type: text/plain; charset=ISO-8859-1 Hi, I am creating a RAMDirectory based upon a folder on disk. After doing a lot of adding, deleting, or updating, I want to flush the changes to the disk. However, the flush() function is not available for 3.5. How can I save the changes to disk? Thanks! --f46d043c7cf005c77e04b55f2dc2--