Return-Path: Delivered-To: apmail-db-derby-dev-archive@www.apache.org Received: (qmail 18954 invoked from network); 10 Apr 2007 15:12:00 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.2) by minotaur.apache.org with SMTP; 10 Apr 2007 15:12:00 -0000 Received: (qmail 34997 invoked by uid 500); 10 Apr 2007 15:12:01 -0000 Delivered-To: apmail-db-derby-dev-archive@db.apache.org Received: (qmail 34951 invoked by uid 500); 10 Apr 2007 15:12:00 -0000 Mailing-List: contact derby-dev-help@db.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: Delivered-To: mailing list derby-dev@db.apache.org Received: (qmail 34864 invoked by uid 99); 10 Apr 2007 15:12:00 -0000 Received: from herse.apache.org (HELO herse.apache.org) (140.211.11.133) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 10 Apr 2007 08:12:00 -0700 X-ASF-Spam-Status: No, hits=-100.0 required=10.0 tests=ALL_TRUSTED X-Spam-Check-By: apache.org Received: from [140.211.11.4] (HELO brutus.apache.org) (140.211.11.4) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 10 Apr 2007 08:11:53 -0700 Received: from brutus (localhost [127.0.0.1]) by brutus.apache.org (Postfix) with ESMTP id 6D5D771407F for ; Tue, 10 Apr 2007 08:11:33 -0700 (PDT) Message-ID: <7507046.1176217893347.JavaMail.jira@brutus> Date: Tue, 10 Apr 2007 08:11:33 -0700 (PDT) From: "Knut Anders Hatlen (JIRA)" To: derby-dev@db.apache.org Subject: [jira] Updated: (DERBY-2493) Use unsynchronized collections in BackingStoreHashtable In-Reply-To: <10881639.1175023412148.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/DERBY-2493?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Knut Anders Hatlen updated DERBY-2493: -------------------------------------- Attachment: derby-2493-hashtable.diff derby-2493-hashtable.diff replaces the Hashtable in BackingStoreHashtable with a HashMap. Derbyall and suites.All ran successfully (except the tests that also fail in the Tinderbox). > Use unsynchronized collections in BackingStoreHashtable > ------------------------------------------------------- > > Key: DERBY-2493 > URL: https://issues.apache.org/jira/browse/DERBY-2493 > Project: Derby > Issue Type: Improvement > Components: Performance, Store > Affects Versions: 10.3.0.0 > Reporter: Knut Anders Hatlen > Assigned To: Knut Anders Hatlen > Priority: Minor > Attachments: derby-2493-aggregate.diff, derby-2493-aggregate.stat, derby-2493-assert.diff, derby-2493-assert.stat, derby-2493-hashtable.diff > > > BackingStoreHashtable uses a Vector and a Hashtable, but doesn't need the synchronization provided by these classes (I think). Replacing them with ArrayList and HashMap could improve performance for some kinds of operations. -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.