Return-Path: X-Original-To: apmail-hadoop-common-dev-archive@www.apache.org Delivered-To: apmail-hadoop-common-dev-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 9F99417AAE for ; Tue, 10 Feb 2015 06:52:36 +0000 (UTC) Received: (qmail 21568 invoked by uid 500); 10 Feb 2015 06:52:34 -0000 Delivered-To: apmail-hadoop-common-dev-archive@hadoop.apache.org Received: (qmail 21395 invoked by uid 500); 10 Feb 2015 06:52:34 -0000 Mailing-List: contact common-dev-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: common-dev@hadoop.apache.org Delivered-To: mailing list common-dev@hadoop.apache.org Received: (qmail 21127 invoked by uid 99); 10 Feb 2015 06:52:34 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 10 Feb 2015 06:52:34 +0000 Date: Tue, 10 Feb 2015 06:52:34 +0000 (UTC) From: "Vinayakumar B (JIRA)" To: common-dev@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Created] (HADOOP-11569) Provide Merge API for MapFile to merge multiple similar MapFiles to one MapFile MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 Vinayakumar B created HADOOP-11569: -------------------------------------- Summary: Provide Merge API for MapFile to merge multiple similar MapFiles to one MapFile Key: HADOOP-11569 URL: https://issues.apache.org/jira/browse/HADOOP-11569 Project: Hadoop Common Issue Type: Improvement Reporter: Vinayakumar B Assignee: Vinayakumar B If there are multiple similar MapFiles of the same keyClass and value classes, then these can be merged together to One MapFile to allow search easier. Provide an API similar to {{SequenceFile#merge()}}. Merging will be easy with the fact that MapFiles are already sorted. -- This message was sent by Atlassian JIRA (v6.3.4#6332)