Return-Path: Delivered-To: apmail-hadoop-hbase-dev-archive@locus.apache.org Received: (qmail 71293 invoked from network); 2 Nov 2008 07:14:05 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.2) by minotaur.apache.org with SMTP; 2 Nov 2008 07:14:05 -0000 Received: (qmail 98006 invoked by uid 500); 2 Nov 2008 07:14:11 -0000 Delivered-To: apmail-hadoop-hbase-dev-archive@hadoop.apache.org Received: (qmail 97986 invoked by uid 500); 2 Nov 2008 07:14:11 -0000 Mailing-List: contact hbase-dev-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: hbase-dev@hadoop.apache.org Delivered-To: mailing list hbase-dev@hadoop.apache.org Received: (qmail 97975 invoked by uid 99); 2 Nov 2008 07:14:11 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Sun, 02 Nov 2008 00:14:10 -0700 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; Sun, 02 Nov 2008 07:13:03 +0000 Received: from brutus (localhost [127.0.0.1]) by brutus.apache.org (Postfix) with ESMTP id 2F826234C25F for ; Sun, 2 Nov 2008 00:13:44 -0700 (PDT) Message-ID: <1106131487.1225610024193.JavaMail.jira@brutus> Date: Sun, 2 Nov 2008 00:13:44 -0700 (PDT) From: "stack (JIRA)" To: hbase-dev@hadoop.apache.org Subject: [jira] Updated: (HBASE-975) Improve MapFile performance for start and end key In-Reply-To: <258510689.1225472384953.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/HBASE-975?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] stack updated HBASE-975: ------------------------ Attachment: 975-v4.patch This patch is basically working. Uses cached start and end keys to avoid seeking. Also moves all of the MapFile subclasses -- bloom, half and hbase -- out into io package. > Improve MapFile performance for start and end key > ------------------------------------------------- > > Key: HBASE-975 > URL: https://issues.apache.org/jira/browse/HBASE-975 > Project: Hadoop HBase > Issue Type: Improvement > Reporter: Jean-Daniel Cryans > Assignee: stack > Fix For: 0.19.0 > > Attachments: 975-v2.patch, 975-v4.patch, hbase-975.patch > > > Keeping a MapFile's start and end key in cache would save us some seeks, see if it can be done. -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.