Return-Path: Delivered-To: apmail-hadoop-hbase-dev-archive@minotaur.apache.org Received: (qmail 61172 invoked from network); 4 Jun 2009 19:29:17 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.3) by minotaur.apache.org with SMTP; 4 Jun 2009 19:29:17 -0000 Received: (qmail 77007 invoked by uid 500); 4 Jun 2009 19:29:29 -0000 Delivered-To: apmail-hadoop-hbase-dev-archive@hadoop.apache.org Received: (qmail 76952 invoked by uid 500); 4 Jun 2009 19:29:29 -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 76942 invoked by uid 99); 4 Jun 2009 19:29:29 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 04 Jun 2009 19:29:29 +0000 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; Thu, 04 Jun 2009 19:29:27 +0000 Received: from brutus (localhost [127.0.0.1]) by brutus.apache.org (Postfix) with ESMTP id 57084234C004 for ; Thu, 4 Jun 2009 12:29:07 -0700 (PDT) Message-ID: <1490634668.1244143747342.JavaMail.jira@brutus> Date: Thu, 4 Jun 2009 12:29:07 -0700 (PDT) From: "Lars George (JIRA)" To: hbase-dev@hadoop.apache.org Subject: [jira] Created: (HBASE-1481) Add fast row key only scanning MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 X-Virus-Checked: Checked by ClamAV on apache.org Add fast row key only scanning ------------------------------ Key: HBASE-1481 URL: https://issues.apache.org/jira/browse/HBASE-1481 Project: Hadoop HBase Issue Type: Improvement Affects Versions: 0.19.3 Reporter: Lars George Priority: Minor Fix For: 0.20.0, 0.21.0 Instead of requiring a user to set up a scanner with any column and scan the table to gather all row keys while ignoring the column value we should have a fast and lightweight scanner that for example takes a "null" for the column list and then simply returns only the matching keys of all non-empty or deleted rows. Filters should still be applicable. -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.