Return-Path: X-Original-To: apmail-hbase-issues-archive@www.apache.org Delivered-To: apmail-hbase-issues-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id B783917A43 for ; Tue, 11 Nov 2014 18:38:34 +0000 (UTC) Received: (qmail 13173 invoked by uid 500); 11 Nov 2014 18:38:34 -0000 Delivered-To: apmail-hbase-issues-archive@hbase.apache.org Received: (qmail 13036 invoked by uid 500); 11 Nov 2014 18:38:34 -0000 Mailing-List: contact issues-help@hbase.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Delivered-To: mailing list issues@hbase.apache.org Received: (qmail 12804 invoked by uid 99); 11 Nov 2014 18:38:34 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 11 Nov 2014 18:38:34 +0000 Date: Tue, 11 Nov 2014 18:38:34 +0000 (UTC) From: "Nick Dimiduk (JIRA)" To: issues@hbase.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Updated] (HBASE-8074) Consolidate map-side features across mapreduce tools into a single place 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/HBASE-8074?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Nick Dimiduk updated HBASE-8074: -------------------------------- Assignee: (was: Nick Dimiduk) > Consolidate map-side features across mapreduce tools into a single place > ------------------------------------------------------------------------ > > Key: HBASE-8074 > URL: https://issues.apache.org/jira/browse/HBASE-8074 > Project: HBase > Issue Type: Sub-task > Components: mapreduce, Usability > Reporter: Nick Dimiduk > > The mapreduce tools support a similar but divergent set of features for mapping over KeyValue data: > * {{Export}} supports specifying a version-range window, application of a rowkey regex or prefix filter, and a "raw mode" that includes delete markers. > * {{Import}} can apply an arbitrary filter and can also apply a "transform", renaming column families in the emitted KeyValues. > * {{CopyTable}} allows specifying a version-range window, limiting to a fixed number of versions, a "raw mode", and column family transformation. > * {{WALPlayer}} supports reading a time-range. > * {{ImportTsv}} could incorporate a number of these features, especially the filter and transform capabilities, allowing a user to avoid implementing a custom mapper where the existing parser is sufficient, but for a slight massage of the data. > The proposal is to create a single implementation for these features with a single configuration interface. Ideally, such an implementation would be exposed via the common utility classes as well (ie, IdentityTableMapper). -- This message was sent by Atlassian JIRA (v6.3.4#6332)