Return-Path: X-Original-To: apmail-hive-dev-archive@www.apache.org Delivered-To: apmail-hive-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 B88D611F08 for ; Mon, 4 Aug 2014 02:43:12 +0000 (UTC) Received: (qmail 39795 invoked by uid 500); 4 Aug 2014 02:43:12 -0000 Delivered-To: apmail-hive-dev-archive@hive.apache.org Received: (qmail 39721 invoked by uid 500); 4 Aug 2014 02:43:12 -0000 Mailing-List: contact dev-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 dev@hive.apache.org Received: (qmail 39600 invoked by uid 500); 4 Aug 2014 02:43:12 -0000 Delivered-To: apmail-hadoop-hive-dev@hadoop.apache.org Received: (qmail 39566 invoked by uid 99); 4 Aug 2014 02:43:12 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 04 Aug 2014 02:43:12 +0000 Date: Mon, 4 Aug 2014 02:43:12 +0000 (UTC) From: "Navis (JIRA)" To: hive-dev@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Updated] (HIVE-5381) OOM when using many lead/lag funtions against large partition 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-5381?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Navis updated HIVE-5381: ------------------------ Attachment: HIVE-5381.2.patch.txt > OOM when using many lead/lag funtions against large partition > ------------------------------------------------------------- > > Key: HIVE-5381 > URL: https://issues.apache.org/jira/browse/HIVE-5381 > Project: Hive > Issue Type: Improvement > Components: Query Processor > Reporter: Navis > Assignee: Navis > Priority: Minor > Attachments: D13161.1.patch, HIVE-5381.2.patch.txt > > > Currently, columns containing window function are evaluated for all rows in a partition, which possibly make OOM if the partition is big (400MB in my case). For lead/lag functions, the value can be evaluated per row. -- This message was sent by Atlassian JIRA (v6.2#6252)