Return-Path: Delivered-To: apmail-db-derby-dev-archive@www.apache.org Received: (qmail 26545 invoked from network); 15 Dec 2009 14:05:44 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.3) by minotaur.apache.org with SMTP; 15 Dec 2009 14:05:44 -0000 Received: (qmail 80720 invoked by uid 500); 15 Dec 2009 14:05:43 -0000 Delivered-To: apmail-db-derby-dev-archive@db.apache.org Received: (qmail 80637 invoked by uid 500); 15 Dec 2009 14:05:42 -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 80629 invoked by uid 99); 15 Dec 2009 14:05:42 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 15 Dec 2009 14:05:42 +0000 X-ASF-Spam-Status: No, hits=-10.5 required=5.0 tests=AWL,BAYES_00,RCVD_IN_DNSWL_HI 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; Tue, 15 Dec 2009 14:05:40 +0000 Received: from brutus (localhost [127.0.0.1]) by brutus.apache.org (Postfix) with ESMTP id E6BCB234C4C1 for ; Tue, 15 Dec 2009 06:05:19 -0800 (PST) Message-ID: <122756186.1260885919943.JavaMail.jira@brutus> Date: Tue, 15 Dec 2009 14:05:19 +0000 (UTC) From: "Knut Anders Hatlen (JIRA)" To: derby-dev@db.apache.org Subject: [jira] Assigned: (DERBY-3092) Use java.util.concurrent in TransactionTable and XactFactory to improve scalability In-Reply-To: <10037621.1190984390915.JavaMail.jira@brutus> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 [ https://issues.apache.org/jira/browse/DERBY-3092?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Knut Anders Hatlen reassigned DERBY-3092: ----------------------------------------- Assignee: Knut Anders Hatlen > Use java.util.concurrent in TransactionTable and XactFactory to improve scalability > ----------------------------------------------------------------------------------- > > Key: DERBY-3092 > URL: https://issues.apache.org/jira/browse/DERBY-3092 > Project: Derby > Issue Type: Improvement > Components: Store > Affects Versions: 10.3.1.4 > Reporter: Dyre Tjeldvoll > Assignee: Knut Anders Hatlen > Attachments: xact-concept.diff, xact-concept.png > > > Running scalability tests with the client and buffer manager from DERBY-2911 shows that access to the TransactionTable.trans (a Hashtable) and XactFactory.tranId (a shared long) are the next major sources of contention. -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.