Return-Path: X-Original-To: apmail-hive-issues-archive@minotaur.apache.org Delivered-To: apmail-hive-issues-archive@minotaur.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id DFBF217336 for ; Sat, 18 Apr 2015 02:25:58 +0000 (UTC) Received: (qmail 43535 invoked by uid 500); 18 Apr 2015 02:25:58 -0000 Delivered-To: apmail-hive-issues-archive@hive.apache.org Received: (qmail 43514 invoked by uid 500); 18 Apr 2015 02:25:58 -0000 Mailing-List: contact issues-help@hive.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@hive.apache.org Delivered-To: mailing list issues@hive.apache.org Received: (qmail 43504 invoked by uid 99); 18 Apr 2015 02:25:58 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Sat, 18 Apr 2015 02:25:58 +0000 Date: Sat, 18 Apr 2015 02:25:58 +0000 (UTC) From: "Sergey Shelukhin (JIRA)" To: issues@hive.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (HIVE-9824) LLAP: Native Vectorization of Map Join so previously CPU bound queries shift their bottleneck to I/O and make it possible for the rest of LLAP to shine ;) 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/HIVE-9824?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14501036#comment-14501036 ] Sergey Shelukhin commented on HIVE-9824: ---------------------------------------- Btw it would be good to document the formats too > LLAP: Native Vectorization of Map Join so previously CPU bound queries shift their bottleneck to I/O and make it possible for the rest of LLAP to shine ;) > ---------------------------------------------------------------------------------------------------------------------------------------------------------- > > Key: HIVE-9824 > URL: https://issues.apache.org/jira/browse/HIVE-9824 > Project: Hive > Issue Type: Sub-task > Reporter: Matt McCline > Assignee: Matt McCline > Priority: Critical > Attachments: HIVE-9824.01.patch, HIVE-9824.02.patch > > > Today's VectorMapJoinOperator is a pass-through that converts each row from a vectorized row batch in a Java Object[] row and passes it to the MapJoinOperator superclass. > This enhancement creates specialized vectorized map join operator classes that are optimized. -- This message was sent by Atlassian JIRA (v6.3.4#6332)